5S Lithium Battery BLDC Impact Wrench BD66FM5250
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2021 HOLTEK New Product Presentation Characteristics Applications Block Diagram 5S Lithium Battery BLDC Impact Wrench BD66FM5250 F05 Scaffolding impact wrenches, etc. ■ VR stepless speed regulation, forward/reverse control ■ Mode display, switching, power-off mode memory ■ Auto stop at rotation reversed, power-off function memory ■ Power-off delay, zero consumption after shutdown ■ Voltage, over-current, over-temperature, locked-rotor protection functions DC/DC Buck VBAT Batt. PWM BLDC Motor BD66FM5250 5.0V LDO V Vi Vo MOSFET Pre-Drive Tact Switch Indicators Current Sense I V BEMF Detect Variable Resistor NTC Thermistor T N-Type MOS Array
Transcript of 5S Lithium Battery BLDC Impact Wrench BD66FM5250
2021 HOLTEK New Product Presentation
Characteristics Applications
Block Diagram
5S Lithium Battery BLDC Impact Wrench BD66FM5250
F05
Scaffolding impact wrenches, etc.■ VR stepless speed regulation, forward/reverse control
■ Mode display, switching, power-off mode memory
■ Auto stop at rotation reversed, power-off function memory
■ Power-off delay, zero consumption after shutdown
■ Voltage, over-current, over-temperature, locked-rotor protection functions
DC/DC Buck
VBAT
Batt.
PWM
BLDC Motor
BD66FM5250
5.0V LDO
VVVi Vo
MOSFET Pre-Drive
Tact Switch Indicators
Current SenseI
V
BEMF Detect
Variable Resistor
NTC Thermistor
T
N-Type MOS Array
B++13V +5V
Vin1
Vout2
GND
3
OPAOCurrent
123
1234
OCDS
IS_DET
Battery
LED3
LED2
LED1
12345678
VR1
+15V
VSP
Light
SK1
CW/CCW
CW/CCW
VDD
B1+
NTC
SK2
K-UPT-NTC
Vdc
U VW
+13V
VU
W
B+
B+
B+
VCC7
HIN11
HIN22
HIN33
LIN14
LIN25
LIN36
GND8
LO39
LO2 10
LO1 11
VS3 12HO3 13VB3
14
VS2 15HO2
16VB217
VS1 18HO1
19VB120
U2
Power
BD66FM5250
币笆钡
Sensorless Circuit
Gate Driver
EN
DC/DC
PA0/SDA8
PA2/SCL7
VDD22
VSS26
PA1/AP/AN3 27
PC0/GAT21PC1/GAB20
PC2/GBT 19PC3/GBB 18PC4/GCT
17PC5/GCB16
PB511
AN7/PA710
PB3 1
PA3/H14PA4/H2 5PA5/H3
6
AN8/PA613
PB6/OPAO28PB2/AN92
PD515
PB712
PB4/CTIN14
PD225
AN1/PB09
PD124
PD023
PB1/CPN3
U?
