TPD4151K

2014-04-07

4

Pin Description

Pin No.

Symbol

Pin Description

1

GND

Ground pin.

2

HU+

U-phase Hall amp signal input pin. (Hall IC can be used.)

3

HU-

U-phase Hall amp signal input pin. (Hall IC can be used.)

4

HV+

V-phase Hall amp signal input pin. (Hall IC can be used.)

5

HV-

V-phase Hall amp signal input pin. (Hall IC can be used.)

6

HW+

W-phase Hall amp signal input pin. (Hall IC can be used.)

7

HW-

W-phase Hall amp signal input pin. (Hall IC can be used.)

8

FR

Forward/Reverse selection pin.

9

FG

Rotation pulse output pin.

10

6 V regulator output pin.

11

Control power supply pin.

12

OS

PWM triangular wave oscillation frequency setup pin. (Connect a capacitor to this pin.)

13

PWM triangular wave oscillation frequency setup pin. (Connect a resistor to this pin.)

14

Speed control signal input pin. (PWM reference voltage input pin.)

15

RS

Over current detection pin.

16

GND

Ground pin.

17

BSU

U-phase bootstrap capacitor connecting pin.

18

U

U-phase output pin.

19

NC

Unused pin, which is not connected to the chip internally.

20

IS1

IGBT emitter/FRD anode pin.

21

V

V-phase output pin.

22

BSV

V-phase bootstrap capacitor connecting pin.

23

High-voltage power supply input pin.

24

BSW

W-phase bootstrap capacitor connecting pin.

25

W

W-phase output pin.

26

IS2

IGBT emitter/FRD anode pin.