SiC521, SiC521A

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Vishay Siliconix

S15-0170-Rev. B, 09-Feb-15

2

Document Number: 62989

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

PINOUT CONFIGURATION

Fig. 2 - SiC521 and SiC521A Pin Configuration

PIN DESCRIPTION

PIN NUMBER

NAME

FUNCTION

1

ZCD_EN#

ZCD control. Active low

Supply voltage for internal logic circuitry

3, 23

Analog ground for the driver IC

4

BOOT

High-side driver bootstrap voltage

5

PHASE

Return path of high-side gate driver

6 to 8, 25

Power stage input voltage. Drain of high-side MOSFET

9 to 11, 17, 18, 20, 26

Power ground

12 to 16

Switch node of the power stage

19, 24

GL

Low-side gate signal

21

Supply voltage for internal gate driver

22

PWM

PWM control input

ORDERING INFORMATION

PART NUMBER

PACKAGE

MARKING CODE

SiC521CD-T1-GE3

SiC521

5 V PWM optimized

SiC521ACD-T1-GE3

SiC521A

3.3 V PWM optimized

SiC521ADB and SiC521DB

Reference board

1

2

3

4

5

ZCD_EN#

V

CIN

C

GND

BOOT

PHASE

16

15

14

13

12

V

SWH

V

SWH

V

SWH

V

SWH

V

SWH

11

10

9

8

7

6

17

18

19

20

21

22

P

GND

26

V

IN

25

C

GND

23

GL

24