RTQ2134-QA

Copyright © 2022 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

DSQ2134-QA-02

May

2022

www.richtek.com

3

Pin Configuration

(TOP VIEW)

PVIN4

PGND

LX4

NC

PVIN2

PGND

LX2

NC

LX1

LX3

NC

NC

PVIN1

PVIN3

22

21

20

19

18

17

16

1

2

3

4

5

6

7

29

28

27

26

30

25

24

23

9

10

11

12

8

13

14

15

31

PGND

WET-WQFN-30L 4.5x5 (FC)

Marking Information

For marking information, contact our sales representative directly or through a Richtek distributor located in your area.

Functional Pin Description

Pin No.

Pin Name

Pin Function

1

PVIN4

Power input for power stage 4. It is recommended to use a 10-

F, X7R

capacitor.

2, 6, 17, 21

NC

No internal connection.

3

LX4

Switching node for power stage 4.

4, 19

PGND

Power ground for power stage.

5

LX1

Switching node for power stage 1.

7

PVIN1

Power input for power stage 1. It is recommended to use a 10-

F, X7R

capacitor.

8

VSELA

VSEL input pin for all channels. Using corresponding register to define action.

"Do Not" leave this pin floating.

9

AVIN_FILT

Filtered analog supply voltage. It is recommended to use a 1-

F, X7R

capacitor.

10

RTN1

Remote ground sense for Buck1.

11

VOUT1

Output voltage sense for Buck1.

12

RTN3

Remote ground sense for Buck3.

13

VOUT3

Output voltage sense for Buck3.

14

AGND

Analog GND.