How to use the 3 kW three-channel interleaved PFC based on ......3. The green LED D2 on the control...

IntroductionThe STEVAL-IPFC01V1 3 kW interleaved PFC reference design is based on the STNRGPF01 digital controller and includes aseparate power board, control board and programming board. The STNRGPF01 is a digital configurable ASIC developed bySTMicroelectronics, which can drive up to three channels in an interleaved PFC for industrial applications.

The STNRGPF01 digital controller on the control board implements mixed signal (analog/digital) average current mode controlin CCM at fixed frequency. The analog section ensures cycle-by-cycle current regulation, while digital control manages the non-time critical operations. You can use the eDesignSuite software available on the ST website to configure the STNRGPF01 tosatisfy the specifications of each interleaved PFC.

Figure 1. STEVAL-IPFC01V1 3 kW interleaved PFC reference design

How to use the 3 kW three-channel interleaved PFC based on the STNRGPF01 digital controller

UM2520

User manual

UM2520 - Rev 3 - October 2019For further information contact your local STMicroelectronics sales office.

www.st.com

https://www.st.com/en/product/stnrgpf01?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520http://www.st.com/edesignsuitehttps://www.st.com/en/product/stnrgpf01?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520

1 Safety instructions

Danger:The evaluation board uses voltage levels that can cause serious injury and even death.Do not touch any of the boards immediately after disconnecting the input power supply as thecharged capacitors need time to discharge.Due to the high power density, the board components and the heat sink can become very hot andcause severe burns when touched.

This board is intended for use by skilled technical personnel who are suitably qualified and familiar with theinstallation, use and maintenance of power electronic systems. The same personnel must be aware of and mustapply national accident prevention rules.The electrical installation shall be completed in accordance with the appropriate requirements (e.g., cross-sectional areas of conductors, fusing, and GND connections).

UM2520Safety instructions

UM2520 - Rev 3 page 2/28

2 STEVAL-IPFC01V1 evaluation kit overview

Figure 2. STEVAL-IPFC01V1 block diagram1. I/O measurement signals2. Analog circuitry3. Power stage4. Digital control section with STNRGPF01 digital controller

EMI filter&

rectification

3-channelinterleaved

PFC

Driver Driver Driver

Currentcompensator

Triangularwave

generator

Analogfilter

STNRGPF01

SIN_REF PWM0

flip-flop

SET1 RESET1

OUT_PI[2],[3]

TRIANG_REF

CLOCK

VIN

VDD

VSS

IOUT

VOUT

flip-flop

SET2 RESET2

Load

AuxiliaryPowerSupply

ACinput

DCoutput

PWM0 PWM1 PWM2Itot_fb

1

1

1

1

2

2 2

3 3

3 3 3

3

3

4

4 4

The STEVAL-IPFC01V1 implements mixed signal (analog/digital) control, so the converter can manage a range ofinput and output conditions and still remain highly responsive to fast transients in input signals. The inner currentloop is a hardware analog proportional-integral (PI) compensator that ensures the highest possible bandwidth andcycle-by-cycle sensing and regulation. The outer voltage loop is performed by a digital PI controller with fastdynamic response.

2.1 Features

• Input voltage range: 90 to 265 VAC• Line frequency range: 47 to 63 Hz• Maximum output power: 3 kW at 230 V• Output voltage: 400 V• Power factor: > 0.98 at 20% load• Total Harmonic Distortion:

3 How to use the STEVAL-IPFC01V1 evaluation board

To perform functional and efficiency testing, you need the following equipment:• Programmable AC source with power > 3 kW• DC electronic load/or load resistor > 3 kW• Power analyzer• Digital oscilloscope

The STEVAL-IPFC01V1 board can be tested at up to 3 kW at 230 VRMS and 1.5 kW at 115 VRMS, in a frequencyrange between 47 and 63 Hz.

Note: Any load or passive oscilloscope probe must be isolated from the input source for the PFC.

3.1 How to connect and start the STEVAL-IPFC01P1 power board

Step 1. Insert the STEVAL-IPFC01C1 control board in connector J301 on the STEVAL-IPFC01P1 power board.

Figure 3. STEVAL-IPFC01C1 insertion in STEVAL-IPFC01P1 J301 connector

J301Step 2. Connect a 230 V/50 Hz or 115 V/60 Hz AC source to the J2 connector on the STEVAL-IPFC01P1

power board.

Figure 4. STEVAL-IPFC01V1 AC source connection

GND

AC IN

UM2520How to use the STEVAL-IPFC01V1 evaluation board

UM2520 - Rev 3 page 4/28

Step 3. Connect the load wires to the J1 output terminals on the STEVAL-IPFC01P1 power board.The actual load (electronic dc load, load resistors, inverter, etc.) must remain disconnected until thesoft startup sequence has completed.The correct polarity is indicated on the board.

Figure 5. STEVAL- IPFC01V1 DC output connection

GND+400V

Step 4. Supply one of the following input voltage and frequency ranges while no load is connected on theoutput:– 185 – 265 VAC at 47 - 53 Hz– 90 – 140 VAC at 57 – 63 Hz

Step 5. Wait for the green LED D2 on the STEVAL-IPFC01C1 control board to light up.The LED indicates that the startup sequence has finished.

Step 6. Connect the load.Do not connect the load before the green LED indicates that the board is ready or you may damage theboard.

3.1.1 STEVAL-IPFC01P1 power board startup sequence1. The appropriate AC input voltage is applied under a no load condition.

– 185 – 265 VAC at 47 - 53 Hz– 90 – 140 VAC at 57 – 63 Hz)

2. When the input voltage rises above 60 V, the auxiliary power supply starts and generates the auxiliaryvoltages (15 VDC and 5 VDC) for the drivers and the signal conditioning circuitry.

3. Once the auxiliary voltages are nominal, the inrush current limiter phase begins by charging the outputcapacitor until the DC voltage reaches the peak input voltage. The charge current is limited by resistor R101.

UM2520How to connect and start the STEVAL-IPFC01P1 power board

UM2520 - Rev 3 page 5/28

Figure 6. STEVAL-IPFC01V1 DC input connection

1nF

0

100 nF

R112

AC-IN-L1

VIN

1

3

47k

4

L100

AC-IN-L2

2.2nF

R104470k

250Vac-16A

2F100

N.M.

R102

-+

3

33k - 1206D103

20A

470k

GF1M

A1

33k - 1206

R113

VDD

N.M.S14K275

R109

2

ZVD

R105

3

123

C102

R108

R111D104

R106

GF1M

A

100n

F

V_INPUT

33k

15V

1

2

2

5

TLP385

50A

A2

2.2nF

D102

Y100

R114

150

D101

1

3k 0.1%

C100

C101

R101

1

10M

10M

7 8

RV100

3

RL100

3

VIN

2x 4.5 mH

2

Y101

Q100

D100

GF1M

6

0

14

STS6NF20V

ISO100

4

11

470k

STPS1L30A

J100

11

100k - 1206

R110

4

RELAY

122

4R100 22

33k - 1206

R103470k

R107

1. The STNRGPF01 then checks for any output current flow:– If there is no current, the STNRGPF01 closes the contacts of a mechanical relay in parallel with

resistor R101.– If any current is detected, the STNRGPF01 will keep the relay contacts on R101 open (so the board

cannot start) until the current falls to zero.2. After the inrush limiter phase, the soft startup is activated and the output voltage rises up to 436 VDC, at

which point the PFC enters burst mode to regulate the output voltage between 416 and 436 VDC.3. The green LED D2 on the control board indicates that the sequence has finished and the PFC is ready for

the load to be connected:– the output voltage is regulated to 400 V ±2 V.– for 185 – 265 V 50 Hz mains, the maximum output power is 3000 W– for 90 – 140 V 60 Hz mains, the maximum output power is 1500 W

Warning:If the load is connected before the Inrush current limiter phase, a very high current will flow intothe PFC and possibly damage the board when the relay closes the contacts across resistor R101.

UM2520How to connect and start the STEVAL-IPFC01P1 power board

UM2520 - Rev 3 page 6/28

4 PFC controller customization with eDesign Suite

The eDesignSuite suite software tool developed by STMicroelectronics helps you configure ST products powerconversion applications. You can use it to customize the PFC controller for a specific application: you start byentering the main specifications for your design and then generate an automatic design or follow a sequentialprocess to build a highly customized design.

Figure 7. PFC specifications

UM2520PFC controller customization with eDesign Suite

UM2520 - Rev 3 page 7/28

http://www.st.com/edesignsuite

Figure 8. PFC step-by-step design

RELATED LINKS See RM0446 for details on how to use eDesignSuite to generate specialized firmware

UM2520PFC controller customization with eDesign Suite

UM2520 - Rev 3 page 8/28

https://www.st.com/en/product/stnrgpf01

5 Status LEDs and fault conditions

The STEVAL-IPFC01C1 control board has a green LED and a red LED connected to STNRGPF01 pin 15(PFC_OK) and pin 14 (PFC_FAULT), respectively.

5.1 Normal operation

During normal operation, the green LED (D1) on the STEVAL-IPFC01C1 control board remains lit to indicate thatthe PFC is operating under allowable conditions.

5.2 Fault conditions

When a fault is detected, the red LED (D2) on the STEVAL-IPFC01C1 control board is lit and the green LED (D1)is switched off. The device stops all switching activities and turns off the fan.After a fault condition, the board must be reset by switching off the AC input voltage and discharging the outputcapacitors.

Warning:Do not short the output terminals to discharge the capacitors as the high discharge current maydamage the output current sensing circuitry.

The following conditions will trigger fault protection:• Frequency or voltage out of range or highly irregular input voltage waveforms that inhibit frequency

measurement. For example, if the input voltage is 230 Vrms but the mains frequency is 60 Hz, or if the inputvoltage is 115 Vrms and the mains frequency is 50 Hz.

• Overcurrent condition on at least one PFC channel. This protection prevents PFC inductor saturation.• Overvoltage protection on output voltage if the output voltage exceeds 450 VDC• Overvoltage protection on input voltage:

– for 115 V nominal supply: above 140 V– for 230 V nominal supply: above 265 V

• Over-temperature protection when the ambient temperature of the board exceeds the threshold setting.

5.3 Wait conditions

The following conditions are signaled when both the green LED (D1) and the red LED (D2) on the STEVAL-IPFC01C1 control board switched off:• Undervoltage condition on the output when the DC bus voltage falls below 340 V.• Undervoltage condition on input when the input rms voltage falls below 90 V at 60 Hz or 185 V at 50 Hz.• Input voltage dropout when the input voltage signal disappears for more than 25 ms.

Under these conditions, the STNRGPF01 will drive both LEDs on the control board off and will wait until theconditions have cleared before repeating the startup sequence.

UM2520Status LEDs and fault conditions

UM2520 - Rev 3 page 9/28

6 STEVAL-IPFC01P1 power board schematics

Figure 9. STEVAL-IPFC01P1 schematic - input section

1nF

0

100 nF

R112

AC-IN-L1

VIN

1

3

47k

4

L100

AC-IN-L2

2.2nF

R104470k

250Vac-16A

2F100

N.M.

R102

-+

3

33k - 1206D103

20A

470k

GF1M

A1

33k - 1206

R113

VDD

N.M.S14K275

R109

2

ZVD

R105

3

123

C102

R108

R111D104

R106

GF1M

A

100n

F

V_INPUT

33k

15V

1

2

2

5

TLP385

50A

A2

2.2nF

D102

Y100

R114

150

D101

1

3k 0.1%

C100

C101

R101

1

10M

10M

7 8

RV100

3

RL100

3

VIN

2x 4.5 mH

2

Y101

Q100

D100

GF1M

6

0

14

STS6NF20V

ISO100

4

11

470k

STPS1L30A

J100

11

100k - 1206

R110

4

RELAY

122

4R100 22

33k - 1206

R103470k

R107

UM

2520 - Rev 3

page 10/28

UM

2520STEVA

L-IPFC01P1 pow

er board schematics

Figure 10. STEVAL-IPFC01P1 schematic - auxiliary power supply

14D

RAI

N2

13

34

7C

OM

P

C207

1

3.3kC200

SRC

2

C206

7GND4

R206

L4931ABD50-TR

2GND1

1VOUT

33k

87

R208 4.7nF

R205

+400V

NC4

SM6T220A

C210

INHIBIT

6GND3 GND2

L2004.7µH

R207

C204

12k

D201 STPS2150A

D200

4G

ND

TMMBAT46

C209

C201

24k

100

C208

1nF

+

+

470µF

24k

470µF

470nF

VDD

+

L201

ALTAIR05T-800

C203

15V

C205

3

470µF

U200

4.7µF

U201

D204

6

15D

RAI

N3

SRC

12

2.2mH

6V

DR

AIN

4

5IR

EF

5

10

VIN8

D202

VDD

3

470nF

5

2.7470nF

4.7µF

16

DR

AIN

1

1

C202STTH1L06A

R203

R202

+

FB6

R204 2.7

D203 STPS1L30A

10µF

R200

UM

2520 - Rev 3

page 11/28

UM

2520STEVA

L-IPFC01P1 pow

er board schematics

Figure 11. STEVAL-IPFC01P1 schematic - boost interleaving section

C310

STW40N60M2

2 STPS1L30A

OC

P_EN

D313

37

PWM0

31

R302

C339

R365 D319

1nF

2

R316 10

U301

17

-

+

9

R311

CS2

OUT1

8EN2 2.2k 0.1%

R32015V

5

VDD

4.7k

10m

+

Vcc6

CS1

3

CON40A

I_LOAD

A

J300

2.2k 0.1%

C324

OUT1EN2

8

5OUT2

62k 0.1%

U307

PWM1

100nF

R345

470k

3

470k

100pF

TS3011ILT

R361VBUS

100pF

L300INDUCTOR

U302

-

+

VDD

9

1-

+

35

28

FAN2

I_0

1

15V

1

100nF

I_2

10k

PWM2

C307

2.2k 0.1%

D316

U308

21

4PWM0

L301INDUCTOR

STS6NF20V

6

5

D314

I_inOCP1

10m

GND2

1uF

PWM2

6.8k

R353 6.8k

R307

82k 0.1%

5

4

10nF

STPSC12065

D304

TSV911ILT

14

8

2.2k 0.1%

STLM20W87F

2k

100nF

0

2PWM1

STPS1L30A

R362

10k 0.1%R308

5

STPS1L30A

D310

100nF

R309

C304

62k 0.1%

1kR369

470uF

1

STPS1L30A

100nF

R325

R339

V_INPUT

I_in

R315 10

R305

VBUS

30m

C326

100nF

23

R317 10

-

+U305

+ COMP MMBT6429LT1G

33

10k

C308

10nF

10

100pF

R351

GND2

VDD

STPS1L30A

R340

VDD

38

30

Q302

C319

I_1

3

100nF

100pF

15V

62k 0.1%

R330

C317

1819

40

R367 100

C313

R333

Q304

4

D301

R357 470

10k

PWM25

OUT2

39

R335

10k

5

C300

R314 33

C329

4

2

+

15

R356

10k

FAN

3.3k 0.1%

R331

2

D318

D306

47kD312

2STW40N60M2

15V

0

CS0

11k

510

5

27

VDD

36

100nF

I_1

BAT46JFILM

Y300

C336

OCP1

ZVD

5

4

Q301

VDD

R338

2

C331

VDD

2

100pF

R312

2.2k 0.1%

D302

STPS1L30A

D300

-

+

1

STPS1L30A

R303

VBUS

10

R360 22

62k 0.1%

R358

C301

1

0.56uF

R346

1

1

7

20

33R313

NC1

33k

GND3

R336

22

R355

2.2k 0.1%

R328

PWM

1

10nF

J301

2.2k 0.1%

C306

RELAY

STPS1L30A

R344

2.2k 0.1%

R318

R341

100nF

R332

10nF

I_LOADOUT2

Vcc6

2

R300

C322

1EN1

R334

10m

C311D311

0

Q303

FAN

R366

A

C318

4PWM2

VIN

R343

33

100pF

I_0

150pF

+C302

TSV911ILT2

D309

3

470uF

C328

R350

3

6Vcc

510

3

100

TEMP

VOUT VCC 4

150pF

R323

4m

12

7 8

STPS1L30A 4PWM2

C335

62k 0.1%

C334

4TSV911ILT

16

62k 0.1%

R337

PM8834

OCP1

100pF

R310

3

R370

470k

R348

2.2k 0.1%

R329

STPSC12065

D305

VDD

100

150pF

RELAYTEMP

3

C340

R363

10nF

1k

C333

U304

26

I_2

+ COMP

STW40N60M2

R304

2

+ COMP

L302INDUCTOR

C337

100

VOUT

1

3

OC

P_EN

2.2k 0.1%

R321

VDD

C305

32

4

TSV911ILT

100

PWM

2

A

470uF

9

R359

2

10nF

R354 330k

15V

+

C320

10k 0.1%

5

100nF

U309

4

VDD

10

OUT1EN2

8

CS1

U306

D317

STPS1L30A

1k

4

STPS1L30A

R326

2

TSV911ILT

I_LOAD

0

7

10nF

-

+U303 3

FAN

15V

1

R364

2

7 EN11

C309

PM8834 PM8834R319

100

VDD

3.3nF

STPS1L30A

R342

VDD

C323

4

STPSC12065

D315

C303470uF

D308

4

2

OC

P_EN

100

29

C316

100nF

4

Q300

C332

1

C338

PWM1GND

3

C330

10 9

CS2

6

TEMP

5

R306

7

OCP_EN

3

CS0

D303

510

11

STPS1L30A

PWM1GND

3U300

R349 3.3k

R347

STPS1L30A

R327

C312

13

EN11

100

STPS1L30A

D307

1

VDD

I_in

R324

82k 0.1%

R301

ZVD

15V

100

100

STPS1L30A

C325

10nF

R368

100

1nF

12

25PW

M0

C327

R322

3

+400V

R352

+ COMP5

PWM0

VIN

34

24

UM

2520 - Rev 3

page 12/28

UM

2520STEVA

L-IPFC01P1 pow

er board schematics

7 STEVAL-IPFC01C1 control board schematic

Figure 12. STEVAL-IPFC01C1 schematic

C12

10k 0.1%

PWM1

8

I_LOAD

VIN

C31

R17

34

26 29

VDD

R19

20

100nF

23

R242.4k

11

R26U4

C1

SET2

+

SET219

VDD

RED LED

PWM2

VOUTVDDRELAY

C6

35

22

2.2nF

R37

33

VDD

2

10k

VDD

U2D

VDDA

RESET2

RESn

N.M.

VDD

R23

N.M.

PWM0

PWM0

C32

1

RED LED

SET1 R6

PFC_OK

CCO_clk

15nF

C38

R9

74HC132

VDD

100nF

22k

FAN

2

I_in1

8

SET1

1µF

REF SIN

ENABLE

R18 7

5

C13

3

VDD

14

C37

11

RED

PWM[0]

FAN

7

13

C28

O+in

U1

16

7

100pF

25

47µF

VDD

OUT_PI[2]

10

C10

150pF

5

ZVD

10k

C27

OUT_PI

REF SIN

14

RTX_RX

VDD

SWIM

VDD

O-in

100nF

1

PIN29

34

VDD

10k

R14

WE-CBF

21

TSV911ILT 10k

10k

VSSA

12

RESET2

PTX

3

2

VCOUTSYNCR[1] 6

OCP1

74HC132

10nF

100nF

I_in2

VDD

22k

C33

FAN

VBUS

4

R38 100k

21

36

20

OUT_PI[3]

1125

A

14

R27

100

31

CON4

U2C

VIN

VDD

CCO_clk

1.5nF

PWM1

1

12

C34

56k

+

R10

TRIANG REF

TEMPPTX_TX

26

100pF

RESET1

14PFC_FAULT

OCP

N.M.

VIN

OCP1

n.c.

C11

14

C30

150pF

10nF

100

R21R28

220nF

4

A

TRIANG_REF

A

R31

2LMV358IDT 4

3

R29 0

3.3k

37

A

6.2k

35

12

R25 220K

30

31VIN

9

U2B

+

U5A

RESET1

150pF

R8

R16

C16

GREEN LED

VSS

10k

J1

R7

100pF

100

9

VDD

A

16 SIN_REFSET2

C23

12

12

4.7µF10V

C2

15nF

U5B

VDD

7

7

14

C17

8

R11

CLOCK

GREEN LED

RESET2

C4I_0

D2

C36

27

14

I_1

O+in

100nF

R39 100k

TEMP

C15

100nF

C8

A

3

A

R[1]

R[3]

23

RELAY

VDD

37

PRX

34

7

220nF

100pF

6

10nF

5

TRIANG REF

R35 3.3k

SET1

OCP[0]

2

910

6

R15

12

OCP1

74HC132

U2A

C29 100pF

R12

220nF

15

1k

38

100nF

A

10

74HC132

VDD

A

-

I_LOAD

R33

R[2]

100pF

33pF

56k

14

TEMP

NC[1]ZVD

32

+

8

I_in1

9

RTX_RX

VDD

1

R22

4

VDD

R40 100k

C7

R30

VDD

R4

74HC132

35

10nF

RELAY

C9

2.2k

18

10nF

N.M.

NC[2]

PWM0

74HC132

R2

PWM0

C39

7

FAN

10nF

CCO_clk

-

1k

36

C40

ZVD

D1

0

I_in2

A

28

10k

C3

27

VDD

38

2

74HC1327

C21

13

39

-

VDD

+

3

4

1nF

100pF

C26

40

GREEN

74HC132

IOUT

10pF

TEMP

I_2

1

24

R36

VDD

10k 0.1%

VDD

8

A

8

NRST

J3

A

13

I_2

7.5k

6

C24

C14

OCP[1]28

13

5.1k

C19

32

PTX_TX

7

100

R34

330pF

CON40AOUT_PI

17

4

PWM0

22

220nFU3B

34

33pF

30

U3C

A

5

R1

R[4]

10

U3D

STNRGPF01

U3A

R32

ZVD

14

VBUS

6

R20

I_1

11

L1

C5

15

100nF

18

C35

I_LOAD

RELAY

7

J2

4

LMV358IDT

33

14

C22

29

C18

PWM2

R13

15k

19

C25

7

PWM2

VBUS

17

24

C20

I_0

PROGRAMMING PORT

SYNCR[2]

RESET1

1

5

UM

2520 - Rev 3

page 13/28

UM

2520STEVA

L-IPFC01C

1 control board schematic

8 STEVAL-IPFC01A1 adapter board schematic

Figure 13. STEVAL-IPFC01A1 schematic

J

2

YELL

OW

R4031k

LED

1

RED

YELL

OW

401

Q400

470k

J400

RED

R401 330

4 3 2 1

BLAC

K

MMBT2222ALT1G

R402

1 2 3 4 5 6

8 7 6 5

D400

CON4CON6

GR

EEN

BRO

WN

3

OR

ANG

E

OR

ANG

E

UM

2520 - Rev 3

page 14/28

UM

2520STEVA

L-IPFC01A

1 adapter board schematic

9 STEVAL-IPFC01V1 3 kW interleaved PFC bill of materials

Table 1. STEVAL-IPFC01V1 bill of materials

Item Q.ty Ref. Part / Value Description Manufacturer Order code

1 1 - STEVAL-IPFC01P1 Power board ST not available separately

2 1 - STEVAL-IPFC01C1 Control board ST not available separately

3 1 - STEVAL-IPFC01A1 adapter board ST not available separately

9.1 STEVAL-IPFC01P1 power board bill of materials

Table 2. STEVAL-IPFC01P1 bill of materials


1 1 C100 100nF, 275Vac,±20%

POLYPROPILENEFILM CAP, throughhole lead spacing15mm

PANASONIC ECQUAAF104MA

2 1 C101 100nF, 50V,±10% 0603 ANY ANY

3 1 C102 1nF, 500Vdc,±20%

Ceramic disc cap,through hole leadspacing 7.5mm

VISHAY BCCOMPONENTS VY1102M35Y5UG63V0

4 3 C200, C204,C208470nF, 50V,±20%

X7R CeramicCapacitor, 0805 TDK CGA4J3X7R1H474M125AE

5 3 C201, C202,C203470µF, 25V,±20%

Electrolyticcapacitor +105°, TH8mm diameter,3.5mm lead spacing

ANY ANY

6 1 C205 10µF, 25V,±20%

Electrolyticcapacitor +105°,through hole leadspacing 2.5mm

ANY ANY

7 2 C206, C207 4.7µF, 50V,±10%Ceramic Capacitor,1210 MULTICOMP MULTICOMP

8 1 C209 4.7nF, 50V,±10%X7R CeramicCapacitor, 0603 ANY ANY

9 2 C210, C340 1nF, 50V, ±10% X7R CeramicCapacitor, 0603 ANY ANY

10 4 C300, C301,C302, C303470µF, 450V,±20%

Electrolyticcapacitor +105°,through hole leadspacing 10mm

Nichicon LGL2W471MELC35

11 1 C304 0.56µF, 450V,±10%

POLYPROPILENEFILM CAP, throughhole lead spacing22.5mm

EPCOS B32673P6564K000

12 1 C305 1µF, 520V,±10%

POLYPROPILENEFILM CAP, throughhole lead spacing22.5mm

EPCOS B32673Z5105K000

UM2520Bill of materials

UM2520 - Rev 3 page 15/28


13 11

C306, C328,C329, C330,C334, C307,C323, C324,C325, C332,C339

10nF, 50V,±10%

X7R CeramicCapacitor, 0603 ANY ANY

14 3 C308, C309,C310100pF, 630 Vdc,±5%

POLYPROPILENEFILM CAP, throughhole lead spacing5mm

KEMET PFR5101J630J11L4BULK

15 4 C311, C312,C313, C326100pF, 50V,±5%

COG CeramicCapacitor, 0603 ANY ANY

16 11

C316, C317,C319, C322,C331, C335,C336, C337,C338, C318,C320

100nF, 50V,±10%

X7R CeramicCapacitor, 0603 ANY ANY

17 1 C327 3.3nF, 50V, ±5% C0G CeramicCapacitor, 0603 ANY ANY

18 3 C328, C329,C330150 pF, 50V,±5%

C0G CeramicCapacitor, 0603 ANY ANY

19 1 C333 1nF, 50V, ±5% C0G CeramicCapacitor, 0603 ANY ANY

20 18

D100, D203,D303, D304,D305, D306,D307, D308,D309, D310,D311, D312,D313, D314,D316, D317,D318, D319

30V, 1A Power schottkydiode, SMA ST STPS1L30A

21 1 D101 50A, 1000V, 50A Single Phase BridgeRectifier, GBJHY ElectronicCorp GBJ5010

22 3 D102, D103,D104GF1M, 1000V,1A

General PurposeRectifier Diode,SMA

ONSemiconductor GF1M

23 1 D200 220V TRANSIL, SMB ST SM6T220A

24 1 D201 150V, 2A Power schottkydiode, SMA ST STPS2150A

25 1 D202 1000V, 1ATurbo 2 ultrafasthigh voltagerectifier, SMA

ST STTH1L06A

26 1 D204 100V, 150mASmall signalSchottky diode,SMD Minimelf

ST TMMBAT46FILM

27 3 D300, D301,D302 600V, 12ASilicon carbide highvoltage rectifier,TO220AC

ST STPSC12065D

28 1 D315 100V, 150mASmall signalSchottky diode,SOD-323

ST BAT46JFILM

29 1 F100 20A, 250Vac,20A, 0%

Cylindrical FuseClass gG/gL andaM, SMD 10x3 mm

Bel Fuse Inc. SMM 20


UM2520 - Rev 3 page 16/28

https://www.st.com/en/product/stps1l30?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/sm6t?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/stps2150?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/stth1l06?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/tmmbat46?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/stpsc12065?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/bat46?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520


30 1 ISO100 80V, 50mA , 0% Optocoupler, SMD Toshiba TLP385

31 1 J100 VIN, 630V,17.5A

PCB terminal block,through hole leadspacing 7.5mm

Phoenix Contact 1717033

32 1 J300 VOUT, 300Vac,25A

PCB terminal block,through hole leadspacing 7.62mm

RS Pro 790-1130

33 1 J301 CON40A,550Vca, 6.9A

PCB terminal blockfemale, through holelead spacing 2.54mm

Samtec ESQ12037GD

34 1 L1002x 4.5 mH,250V, 18A,±20%

Common ModePower Line Choke,through hole

WURTHELEKTRONIK 7448051804

35 1 L200 4.7uH, 1.7A,±20%SMD Inductor, SMD4.5x4mm

NICCOMPONENTS NPI43C4R7MTRF

36 1 L201 2.2mH, 0.47A,±10%

Switch ModeTransformer,through hole

AQ Magnetica

OR

Würth Elektronik

2198.0037

OR

750 318 675

37 3 L300, L301,L302 ±10%Power inductor,through hole PQ32

AQ Magnetica

OR

Würth Elektronik

2083.0011

OR

750316867

38 2 Q100, Q304 18V, 1AN-channel 20 V,Power MOSFET,SO8

ST STS6NF20V

39 3 Q300, Q301,Q302 600V, 40AMDmesh II Plus™low Qg, TO-247 ST STW40N60M2

40 1 Q303 45V, 200 mABJT NPN smallsignal transistor,SOT-23

ONSemiconductor MMBT6429LT1G

41 1 RL100 250Vac-16A,250V, 16A, 0%RELAY SPST,through hole

SCHRACK - TECONNECTIVITY RT314018

42 1 RV100 S14K275,275Vac, ±10%

METAL OXIDEVARISTORS,through hole leadspacing 6mm

EPCOS B72214S0271K101

43 2 R100, R360 22, 200V, ±1% Metal film resistor,1206 ANY ANY

44 1 R101 150, 350V, ±5%High power ceramicresistors, throughhole

TE Connectivity SQMW5150RJ

45 4 R102, R203,R362 33k, 50V, ±1%Metal film resistor,0603 ANY ANY

46 7

R103, R104,R112, R113,R301, R304,R308

470k, 200V,±1%

Metal film resistor,1206 ANY ANY


48 1 R106 100k, 200V,±1%Metal film resistor,1206 ANY ANY


UM2520 - Rev 3 page 17/28

https://www.st.com/en/product/sts6nf20v?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/stw40n60m2?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520


49 2 R107, R111 10M, 50V, ±1% Metal film resistor,0603 ANY ANY

50 1 R110 47k, 50V, ±1% Metal film resistor,0603 ANY ANY

51 1 R114 3k ±0.1%, 50V,0%Metal film resistor,0603 ANY ANY

52 1 R200 3.3k, 200V, ±1% Metal film resistor,1206 ANY ANY

53 1 R202 100, 200V, ±1% Metal film resistor,1206 ANY ANY



56 2 R206, R207 2.7, 200V, ±1%Professional MELFResistors, MELF0204

Vishay MMA02040C2708FB300


58 1 R300 30m, ±1%

Ultra PrecisionCurrent SensingChip Resistor, SMD4527

StackpoleElectronics Inc. CSS4527FT30L0

59 11

R302, R303,R332, R334,R336, R339,R341, R343,R351, R352,R367

100, 50V, ±1% Metal film resistor,0603 ANY ANY

60 3 R305, R306,R307 510, 50V, ±1%Metal film resistor,0603 ANY ANY

61 10

R309, R310,R333, R335,R337, R340,R342, R344,R356, R358

2.2k ±0.1%,75V, 0%


62 2 R311, R325 10k ±0.1%, 50V,0%Metal film resistor,0603 ANY ANY

63 3 R312, R313,R314 33, 200V, ±1%High Power ThickFilm Resistor, 1206 ANY ANY

64 2 R315, R316 10, 200V, ±1% High Power ThickFilm Resistor, 1206 ANY ANY

65 1 R317 10, 200V, ±1% High Power ThickFilm Resistor, 1206 ANY ANY

65 3 R318, R322,R320 10k, 200V, ±1%High Power ThickFilm Resistor, 1206 ANY ANY

67 3 R319, R321,R323 10m, ±1%Wirewound Res.,Precision, SMD2512

OHMITE MCS3264R010FER

68 1 R324 3.3k ±0.1%,75V, 0%Metal film resistor,0603 ANY ANY

69 1 R326 4m, ±1% Metal film resistor,SMD 3921 Vishay WSLP39214L000FEA


UM2520 - Rev 3 page 18/28


70 6R327, R328,R329, R346,R347, R348

62k ±0.1%, 75V,0%


71 2 R330, R353 6.8k, 50V, ±1% Metal film resistor,0603 ANY ANY







78 2 R355, R359 82k ±0.1%, 75V,0%Metal film resistor,0603 ANY ANY

79 1 R357 470, 50V, ±1% Metal film resistor,0603 ANY ANY



82 3 R364, R365,R366 0, 200V, ±1%Metal film resistor,1206 ANY ANY


84 1 U200 5V, 0.25AVery low dropvoltage regulatorswith inhibit, SO8

ST L4931ABD50, TR

85 1 U201 900VOff-line all-primary-sensing switchingregulator, SO16N

ST ALTAIR05T, 800

86 5U300, U301,U302, U303,U305

-rail to rail input/output 5V CMOSOp-Amp, SOT23-5L

ST TSV911ILT

87 1 U304 -Rail-to-rail high-speed comparator,SOT23-5L

ST TS3011ILT

88 1 U306 5V

Ultra-low current 2.4V precision analogtemperature sensor,SOT323-5L

ST STLM20W87F

89 3 U307, U308,U309 18V, 4A4 A dual low sideMOSFET driver,SO8

ST PM8834TR

90 2 Y100, Y101 2.2nF, 250V,±20%

Ceramic disc cap, TH lead spac. 7.5mm

MURATA DE2E3KH222MA3B


UM2520 - Rev 3 page 19/28

https://www.st.com/en/product/l4931?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/altair05t-800?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/tsv911?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/ts3011?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/stlm20?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/pm8834?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520


91 1 Y300 FAN2, 12V,0.25A

DC Axial Fan,through hole40X40X20

ARX FD1240-A0241D0AL

92 1 HEATSINK -HEATSINK 220mm,standard finishingsize length: 220 mm

PADA 8411

93 1 PLEXIGLASSSPACER -PLEXIGLASSSPACER, DIM:240X40x3mm

ANY ANY

94 6 SPACER - Nylon spacer 10mmM3 - -

95 6 NUT - Nylon NUT M3 - -

96 3 INSULATOR KIT1 -INSULATOR KITTO-220 MULTICOMP MK3306/S

97 3 INSULATOR KIT2 -INSULATORTO-247 - -

98 2 Screw M3 - M3 steel screws -10 mm length - -

99 7 Screw M2.5 - M2.5 steel screws -20 mm length - -

100 7 NUT - M2.5 STEEL NUT - -

101 7 Plain Washer - M2.5 Steel PlainWasher - -

9.2 STEVAL-IPFC01C1 control board bill of materials

Table 3. STEVAL-IPFC01C1 bill of materials


1 1 C1 4.7µF, 0805, 16V, 10 %X7R CeramicCapacitor ANY ANY

2 2 C2, C5 100nF, 0603, 50V, 10 %X7R CeramicCapacitor ANY ANY

3 4 C3, C4, C15,C1710nF, 0603, 50V, 10 %

X7R CeramicCapacitor ANY ANY

4 1 C6 47µF, 1206, 6.3V, 20 %Polarized tantalumchip capacitor AVX TAJA476K006RNJ

5 1 C7 1µF, 0603, 25 V,10 %X7R CeramicCapacitor ANY ANY

6 6 C8, C21, C22,C25, C26, C27100pF, 0603, 25V, 10 %


7 3 C9, C19, C20 150pF, 0603, 25V, 5 %C0G CeramicCapacitor ANY ANY

8 2 C10, C37 33pF, 0603, 50V, 5 %C0G CeramicCapacitor ANY ANY

9 1 C11 100nF, 0603, 50V, 10 %X7R CeramicCapacitor ANY ANY


11 4 C13, C38, C39,C40220nF, 0603, 50V, 10 %



UM2520 - Rev 3 page 20/28



13 3 C18, C24, C32 100nF, 0603, 50V, 10 %X7R CeramicCapacitor ANY ANY


15 1 C28 1.5nF, 0603, 25V, 10 %X7R CeramicCapacitor ANY ANY

16 1 C29 100pF, 0603, 25V, 5 %COG CeramicCapacitor ANY ANY



19 1 C34 1nF, 0603, 25 V,10 %X7R CeramicCapacitor ANY ANY

20 1 C35 2.2nF, 0603, 25V, 10 %C0G CeramicCapacitor ANY ANY


22 1 D1 RED, 0805, N.A.%,

High efficiency reddiffused LED 2mA3mm

Kingbright KP-2012SRC-PRV

23 1 D2 GREEN, 0805,N.A. %,

High efficiencygreen diffused LED2mA 3mm

Kingbright KPHCM-2012CGCK

24 1 J1 CON40A, /, / V, /%,

Right angleconnector 2 ways2.54mm

Stelvio Kontek 4.74975E+12

25 1 J2 SWIM I/F, generic male stripline connector ANY ANY

26 1 J3 CON4, generic male stripline connector ANY ANY

27 1 L1 WE-CBF, SMD Inductor, 0603 Wurth Elektronik 74279262

28 2 R1, R2 1k, 50 V, 1 % Metal film resistor,0603 ANY ANY

29 3 R4, R7, R36 10k, 50 V, 1 % Metal film resistor,0603 ANY ANY

30 2 R6, R35 3.3k, 50 V, 1 % Metal film resisto,0603r ANY ANY


32 4 R10, R11, R16,R17 100, 50 V, 1 %Metal film resistor,0603 ANY ANY

33 4 R12, R13, R18,R19 N.M., 50 V, 1 %Metal film resistor,0603 ANY ANY

34 2 R14, R15 10k, 50 V, 0.1%,Metal film resistor,0603 ANY ANY



UM2520 - Rev 3 page 21/28


36 1 R21 10k, 50 V, 1 % Metal film resistor,0603 ANY ANY

37 1 R22 2.2k, 50 V, 1 % Metal film resistor,0603 ANY ANY



40 1 R25 220K, 50 V, 1 % Metal film resistor,0603 ANY ANY



43 2 R29, R31 0, 50 V, 1 % Metal film resistor,0603 ANY ANY

44 1 R33 N.M., 50 V, 1 % Metal film resistor,0603 ANY ANY

45 1 R34 15k, 50 V, 1 % Metal film resistor,0603 ANY ANY



48 1 U1 -

Three-channelinterleaved CCMPFC digitalcontroller, TSSOP38

ST STNRGPF01

49 2 U2,U3 -Quad 2-InputSchmitt NANDGate, SO14

ST M74HC132YRM13TR

50 1 U4 -rail to rail input/output 5V CMOSOp-Amp, SOT23-5L

ST TSV911ILT

51 1 U5 -Low power rail-to-rail input/output op-amp, SO8

ST LMV358IDT

9.3 STEVAL-IPFC01A1 adapter board bill of materials

Table 4. STEVAL-IPFC01A1 bill of materials


1 1 D400 LEDHigh Efficiency RedLED 3mm, throughhole

Kingbright L-7104ID

2 1 J400 CON4

4-contact 2.54mmfemale SIL Board-to-board Socket,through hole

HARWIN M20-7890446


UM2520 - Rev 3 page 22/28

https://www.st.com/en/product/stnrgpf01?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/M74HC132?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/tsv911?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520https://www.st.com/en/product/lmv358?ecmp=tt9470_gl_link_feb2019&rt=um&id=UM2520


3 1 J401 CON6

Right angle maleconnector 1 way 6circuits 2.54mm,through hole

ANY ANY

4 1 Q400 40 V, 0.6 AGeneral PurposeTransistors, NPNSilicon

ONSemiconductor SMMBT2222ALT1G

5 1 R401 330 Metal film resistor,0805 ANY ANY

6 1 R402 470k Metal film resistor,0805 ANY ANY

7 1 R403 1K Metal film resistor,0805 ANY ANY


UM2520 - Rev 3 page 23/28

Revision history

Table 5. Document revision history

Date Version Changes

18-Dec-2018 1 Initial release.

09-Sep-2019 2

Throughout document: minor text edits

Updated Figure 10. STEVAL-IPFC01P1 schematic - auxiliary power supply

Updated Table 2. STEVAL-IPFC01P1 bill of materials

11-Oct-2019 3 Updated Table 2. STEVAL-IPFC01P1 bill of materials

UM2520

UM2520 - Rev 3 page 24/28

Contents

1 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

2 STEVAL-IPFC01V1 evaluation kit overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 How to use the STEVAL-IPFC01V1 evaluation board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

3.1 How to connect and start the STEVAL-IPFC01P1 power board . . . . . . . . . . . . . . . . . . . . . . . . 4

3.1.1 STEVAL-IPFC01P1 power board startup sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 PFC controller customization with eDesign Suite. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

5 Status LEDs and fault conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

5.1 Normal operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2 Fault conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.3 Wait conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 STEVAL-IPFC01P1 power board schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

7 STEVAL-IPFC01C1 control board schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8 STEVAL-IPFC01A1 adapter board schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

9 STEVAL-IPFC01V1 3 kW interleaved PFC bill of materials. . . . . . . . . . . . . . . . . . . . . . . . . .15

9.1 STEVAL-IPFC01P1 power board bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

9.2 STEVAL-IPFC01C1 control board bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

9.3 STEVAL-IPFC01A1 adapter board bill of materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

UM2520Contents

UM2520 - Rev 3 page 25/28

List of figuresFigure 1. STEVAL-IPFC01V1 3 kW interleaved PFC reference design. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Figure 2. STEVAL-IPFC01V1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Figure 3. STEVAL-IPFC01C1 insertion in STEVAL-IPFC01P1 J301 connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Figure 4. STEVAL-IPFC01V1 AC source connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Figure 5. STEVAL- IPFC01V1 DC output connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Figure 6. STEVAL-IPFC01V1 DC input connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Figure 7. PFC specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Figure 8. PFC step-by-step design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Figure 9. STEVAL-IPFC01P1 schematic - input section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Figure 10. STEVAL-IPFC01P1 schematic - auxiliary power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Figure 11. STEVAL-IPFC01P1 schematic - boost interleaving section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Figure 12. STEVAL-IPFC01C1 schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Figure 13. STEVAL-IPFC01A1 schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

UM2520List of figures

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List of tablesTable 1. STEVAL-IPFC01V1 bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Table 2. STEVAL-IPFC01P1 bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Table 3. STEVAL-IPFC01C1 bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Table 4. STEVAL-IPFC01A1 bill of materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Table 5. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

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UM2520 - Rev 3 page 27/28

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STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to STproducts and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. STproducts are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement.

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UM2520

UM2520 - Rev 3 page 28/28

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Introduction1 Safety instructions2 STEVAL-IPFC01V1 evaluation kit overview2.1 Features

3 How to use the STEVAL-IPFC01V1 evaluation board3.1 How to connect and start the STEVAL-IPFC01P1 power board3.1.1 STEVAL-IPFC01P1 power board startup sequence

4 PFC controller customization with eDesign Suite5 Status LEDs and fault conditions5.1 Normal operation5.2 Fault conditions5.3 Wait conditions

6 STEVAL-IPFC01P1 power board schematics7 STEVAL-IPFC01C1 control board schematic8 STEVAL-IPFC01A1 adapter board schematic9 STEVAL-IPFC01V1 3 kW interleaved PFC bill of materials9.1 STEVAL-IPFC01P1 power board bill of materials9.2 STEVAL-IPFC01C1 control board bill of materials9.3 STEVAL-IPFC01A1 adapter board bill of materials

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