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RT4531WSC, in 3D

RT4531WSC

Richtek Tech

-40℃~+85℃ 1MHz 2 2% 2.5V~5.5V 20mA Boost Built-in DC-DC PWM Short Circuit Protection、Over Voltage Protection、Over-Temperature Protection (OTP)、LED open-circuit protection、Built-in soft-start WLCSP-9(1.35x1.35) LED Drivers ROHS

Extended
JLCPCBLCSCrichtek-tech/RT4531WSC
Category
LED Drivers
Package
WLCSP-9(1.35x1.35)
Pins
5

Overview

The RT4531WSC is a LED Driver made by Richtek Tech in a WLCSP-9(1.35x1.35) package with 5 pins. -40℃~+85℃ 1MHz 2 2% 2.5V~5.5V 20mA Boost Built-in DC-DC PWM Short Circuit Protection、Over Voltage Protection、Over-Temperature Protection (OTP)、LED open-circuit protection、Built-in soft-start WLCSP-9(1.35x1.35) LED Drivers ROHS.

PCBKit's library has its footprint (EasyEDA_Cloud:WLCSP-9_L1.4-W1.4-R3-C3-P0.40-TL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3190209).

Symbol

The library has no symbol for this part yet.

Footprint

EasyEDA_Cloud:WLCSP-9_L1.4-W1.4-R3-C3-P0.40-TLFrom EasyEDA

Parameters

9
Constant Current Accuracy
2%
Dimming
PWM
Frequency - Switching
1MHz
Number of Channels
2
Operating temperature
-40℃~+85℃
Output Current
20mA
Topology
Boost
Type
DC-DC
Voltage - Input(DC)
2.5V~5.5V

Order codes

1

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Questions

Is there a KiCad symbol and footprint for the RT4531WSC?

Yes. the footprint EasyEDA_Cloud:WLCSP-9_L1.4-W1.4-R3-C3-P0.40-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the RT4531WSC?

WLCSP-9(1.35x1.35), with 5 pins. Its footprint is drawn on this page.

Where can I order the RT4531WSC?

JLCPCB lists it as part C3190209, with 0 in stock; the sellers' links on this page open their listings.

What can replace the RT4531WSC?

Parts like it in the library: the AW9963CSR by AWINIC, the LV52207NXA-VH by onsemi and the MP3312GC-Z by Monolithic Power Systems. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

3