Pin Assignment

Pin Description

Pin Name

I/O

Description

VDAT

VDBT

VDCT

¾ Upper side power MOSFET gate driver positive power supply

AT

BT

CT

O

High side high voltage drive output

VSAT

VSBT

VSCT

¾ Upper side power MOSFET gate driver negative power supply

AB

BB

CB

O

Low side high voltage drive output

ATL

BTL

CTL

I

Logic input for high side gate driver output (AT, BT, CT)

ABL

BBL

CBL

I

Logic input for low side gate driver output (AB, BB, CB)

VM

¾

Low side driver power supply and power supply for VDAT/VSAT, VDBT/VSBT, VDCT/VSCT

charging capacitors

VDD

¾ Logic power supply

VSS

¾ Negative power supply, ground

HT45B0C

Rev. 1.00

2

December 21, 2006

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1

2

3

4

5

6

7

8

9

1 0

1 1

1 2

V M

N C

V S S

V D D

A T L

A B L

B T L

B B L

C T L

C B L

N C

V S S

V D A T

A T

V S A T

A B

V D B T

B T

V S B T

B B

V D C T

C T

V S C T

C B

H T 4 5 B 0 C

2 4 S K D I P - A / S O P - A