Table 1. Pin description

Pin

Symbol

Description

1

GND

Ground

2

SD/OD

Shutdown logic input (active low) / open-drain (comparator output)

3

VCC W

Low voltage power supply W phase

4

HIN W

High-side logic input for W phase

5

LIN W

Low-side logic input for W phase

6

OP+

Op-amp non inverting input

7

OPOUT

Op-amp output

8

OP-

Op-amp inverting input

9

VCC V

Low voltage power supply V phase

10

HIN V

High-side logic input for V phase

11

LIN V

Low-side logic input for V phase

12

CIN

Comparator input

13

VCC U

Low voltage power supply for U phase

14

HIN U

High-side logic input for U phase

15

SD/OD

Shutdown logic input (active low) / open-drain (comparator output)

16

LIN U

Low-side logic input for U phase

17

VBOOT U

Bootstrap voltage for U phase

18

P

Positive DC input

19

U, OUTU

U phase output

20

NU

Negative DC input for U phase

21

VBOOT V

Bootstrap voltage for V phase

22

V, OUTV

V phase output

23

NV

Negative DC input for V phase

24

VBOOT W

Bootstrap voltage for W phase

25

W, OUTW

W phase output

26

NW

Negative DC input for W phase

STIPNS2M50-H

Internal schematic diagram and pin configuration

DS12104 - Rev 3

page 3/20