Table 5-1. Pinout - Version CP, CPH (continued)

PIN

TYPE(1)

DESCRIPTION

NO.

NAME

24

ST3

O

CH3 fault status, open drain, pull up with a 4.7K resistor to VDD pin.

25

ST4

O

CH4 fault status, open drain, pull up with a 4.7K resistor to VDD pin.

6,26,27,20

DNC

—

Do not connect.

14-17

VS

P

24V switch supply input to the IC.

38,39

OUT1

O

OUT1

32,33

OUT2

O

OUT2

12,13

OUT3

O

OUT3

18,19

OUT4

O

OUT4

34-37

VS

P

24V switch supply input to the IC.

21,5

GND

—

Device ground.

40,31,11,20

DNC

—

Do not connect.

Exposed Pad GND

I

Connect to the GND pin of the IC.

(1)

I = input, O = output, P = power

(2)

When the device is configured to support an external regulator connected to VDD, the

supply input for the external regulator must be derived from the same VS supply of TPS274C65CP, as shown in the Typical Application

Schematic.

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TPS274C65CP

SLVSH35A – OCTOBER 2023 – REVISED FEBRUARY 2024

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