NCV7728

www.onsemi.com

4

GND

GND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

21

20

22

23

24

Figure 3. Pinout − SSOP24

OUT1

OUT5

NC

VCC

SO

EN

NC

OUT6

OUT4

GND

SI

OUT2

NC

VS1

SCLK

CSB

RESERVED

RESERVED

VS2

NC

OUT3

GND

Pin #

SSOP24

Symbol

Description

1

GND

Ground. Shorted to pin 24 internally.

2

OUT1

Half Bridge Output 1

3

OUT5

Half Bridge Output 5

4

NC

No Connection. This pin should be isolated from any traces or via on the PCB board.

5

SI

Serial Input. 16 bit serial communications input. 3.3 V/5 V (TTL) Compatible. Internally pulled down.

6

VCC

Power supply input for Logic.

7

SO

Serial Output. 16 bit serial communications output. 3.3 V/5 V Complaint

8

EN

Enable. Input high wakes the IC up from a sleep mode. 3.3 V/5 V (TTL) Compatible. Internally pulled down.

9

NC

No Connection. This pin should be isolated from any traces or via on the PCB board.

10

OUT6

Half Bridge Output 6

11

OUT4

Half Bridge Output 4

12

GND

Ground. Shorted to pin 13 internally.

13

GND

Ground. Shorted to pin 12 internally.

14

OUT3

Half Bridge Output 3

15

NC

No Connection. This pin should be isolated from any traces or via on the PCB board.

16

VS2

Voltage Power Supply input for the Drivers 3, 4 and 6. This pin must be connected to VS1 externally.

17

Reserved

Factory use − connect to GND or leave unconnected − internally pulled down.

18

Reserved

Factory use − connect to GND or leave unconnected − internally pulled down.

19

CSB

Chip Select Bar. Active low serial port operation. 3.3V/5V (TTL) Compatible. Internally pulled up.

20

SCLK

Serial Clock. Clock input for use with SPI communication. 3.3 V/5 V (TTL) Compatible. Internally pulled

down.

21

VS1

Voltage Power Supply input for the Drivers 1, 2 and 5, all the pre−drivers and the charge pump. This pin

must be connected to VS2 externally.

22

NC

No Connection. This pin should be isolated from any traces or via on the PCB board.

23

OUT2

Half Bridge Output 2

24

GND

Ground. Shorted to pin 1 internally.