TPD7203F

2006-10-31

3

Pin Description

Pin No.

Symbol

Pin Description

1

This pin sets the oscillation frequency for the charge pump drive.

Connect a 1500 pF (recommended) capacitor.

2

This pin sets the oscillation frequency for the charge pump drive.

Connect a 100 k

Ω (recommended) resistor.

3

IN5

Input pin: it controls the power MOSFET connected to VB. Built-in pull-down resistor

(100 k

Ω typ.)

4

IN6

Input pin: it controls the power MOSFET connected to WB. Built-in pull-down resistor

(100 k

Ω typ.)

5

IN1

Input pin: it controls the power MOSFET connected to UU. Built-in pull-down resistor

(100 k

Ω typ.)

6

IN2

Input pin: it controls the power MOSFET connected to VU. Built-in pull-down resistor

(100 k

Ω typ.)

7

IN3

Input pin: it controls the power MOSFET connected to WU. Built-in pull-down resistor

(100 k

Ω typ.)

8

IN4

Input pin: it controls the power MOSFET connected to UB. Built-in pull-down resistor

(100 k

Ω typ.)

9

FAULT

Diagnosis output pin: when low-voltage 6 V (typ.) is detected, output “H”. Circuit configuration is

N-ch open drain.

10

SGND

Signal block GND pin

11

CP1

Capacitor pin for charge pump

Connect a 0.47

μF (recommended) laminated ceramic capacitor.

12

CP2

Capacitor pin for charge pump

Connect a 0.47

μF (recommended) laminated ceramic capacitor.

13

Power supply pin: when low voltage (6 V typ.) is detected, all outputs are shut down.

14

WB

Drives the power MOSFET connected to the low side of the W phase.

15

PGND

Power block GND pin

16

VB

Drives the power MOSFET connected to the low side of the V phase.

17

UB

Drives the power MOSFET connected to the low side of the U phase.

18

WU

Drives the power MOSFET connected to the high side of the W phase.

19

W

W phase output pin

20

VU

Drives the power MOSFET connected to the high side of the V phase.

21

V

V phase output pin

22

UU

Drives the power MOSFET connected to the high side of the U phase.

23

U

U phase output pin

24

CPV

Final stage capacitor for the charge pump

Connect 1

μF (recommended) laminated ceramic capacitor and 10 μF (recommended) aluminum

electrolytic capacitor in parallel.