DIA58243

Brief, Nov 2025

www.dioo.com

© 2025 Dioo Microcircuits Co., Ltd. Jiangsu

1

1. Pin Assignment and Functions

DIA58243H

Figure 1. QFN3*4.5-14 (Top view)

Pin No.

Pin Name Type(1)

Description

1

nFAULT

OD

Fault indication to the controller.

2

IPROPI

I/O

Driver load current analog feedback.

3

nSLEEP

I

Controller input pin for SLEEP.

4

VM

P

Power supply. This pin is the motor supply voltage. Bypass this pin to GND

with a 0.1 µF ceramic capacitor and a bulk capacitor.

5

OUT2

P

Half-bridge output 2. Connect this pin to the motor or load.

6

GND

G

Ground pin

7

OUT1

P

Half-bridge output 1. Connect this pin to the motor or load.

8

DRVOFF

I

Controller input pin for bridge Hi-Z.

9

EN/IN1

I

Controller input pin for bridge operation.

10

PH/IN2

I

Controller input pin for bridge operation.

11

DIAG

I

Device configuration pin for load type indication and fault reaction

configuration.

12

SR

I

Device configuration pin for slew rate control.

13

ITRIP

I

Device configuration pin for ITRIP level for high-side current limiting.

14

MODE

I

Device configuration pin for MODE.

Note:

(1) I = input, O = output, I/O = input/output, G = ground, P = power, OD = open-drain output, PP = push-pull output