16-Channel Constant Current LED Driver with Error Detection

Version:A.004

Page 3

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DM13H

Pin Connection (Top View)

SOP24 / SSOP24 / TSSOP24E / SOP24B

QFN24

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

GND

DAI

CLK

LAT

OUT0

OUT1

OUT2

OUT3

OUT4

OUT5

VCC

REXT

DAO

EN

OUT15

OUT14

OUT13

OUT12

OUT11

OUT10

OUT9

OUT8

OUT6

OUT7

Pin Description

PIN No.

PIN NAME

FUNCTION

SOP24 / SSOP24 / TSSOP24E / SOP24B: 1

QFN24: 22

GND

Ground terminal.

SOP24 / SSOP24 / TSSOP24E / SOP24B: 2

QFN24: 23

DAI

Serial data input terminal.

SOP24 / SSOP24 / TSSOP24E / SOP24B: 3

QFN24: 24

CLK

Synchronous clock input terminal for serial data

transfer.

Data is sampled at the rising edge of CLK.

SOP24 / SSOP24 / TSSOP24E / SOP24B: 4

QFN24: 1

LAT

Input terminal of data strobe.

Data on shift register goes through at the rising

edge (edge trigger). Otherwise, data is latched.

SOP24 / SSOP24 / TSSOP24E / SOP24B: 5~20

QFN24: 2~17

OUT0~15 Sink constant-current outputs (open-drain).

SOP24 / SSOP24 / TSSOP24E / SOP24B: 21

QFN24: 18

EN

Output enable terminal:

‘H’ for all outputs are turned off ,

‘L’ for all outputs are active.

SOP24 / SSOP24 / TSSOP24E / SOP24B: 22

QFN24: 19

DAO

Serial data output terminal.

SOP24 / SSOP24 / TSSOP24E / SOP24B: 23

QFN24: 20

REXT

External resistors connected between REXT and

GND for output current value setting.

SOP24 / SSOP24 / TSSOP24E / SOP24B: 24

QFN24: 21

VCC

Supply voltage terminal.