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LP3931ISQ on a board, in 3D

LP3931ISQ

Texas Instruments

-40℃~+85℃ 120mA 1MHz 2.65V~2.9V 5V 6 Boost Built-in DC-DC Over Voltage Protection、Over-Temperature Protection (OTP) PWM WQFN-24(4x4) LED Drivers ROHS

Extended
DatasheetJLCPCBLCSCti/LP3931ISQ
Category
LED Drivers
Package
WQFN-24(4x4)
Pins
25

Overview

The LP3931ISQ is a LED Driver made by Texas Instruments in a WQFN-24(4x4) package with 25 pins. -40℃~+85℃ 120mA 1MHz 2.65V~2.9V 5V 6 Boost Built-in DC-DC Over Voltage Protection、Over-Temperature Protection (OTP) PWM WQFN-24(4x4) LED Drivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LP3931ISQ_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-TL-EP2.6, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3188836).

Symbol

G21R22GND_RGB3R14G15B16GND_BOOST7SW8VDD29GND210FB11VREF12SO13SI14SS15SCK16PWM_LED17NRST18VDDIO19RT20GND321VDD122GND123B224EP25
EasyEDA_Cloud:LP3931ISQ_NOPBFrom EasyEDA

Footprint

25
EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-TL-EP2.6From EasyEDA

Parameters

11
Dimming
PWM
Features
Over Voltage Protection；Over-Temperature Protection (OTP)
Frequency - Switching
1MHz
Number of Channels
6
Operating temperature
-40℃~+85℃
Output Current
120mA
Output Voltage
5V
Switch Tube (Built-In/External)
Built-in
Topology
Boost
Type
DC-DC
Voltage - Input(DC)
2.65V~2.9V

Order codes

1

Pinout

25
The pins of the LP3931ISQ
PinNameType
1G2Unspecified
2R2Unspecified
3GND_RGBUnspecified
4R1Unspecified
5G1Unspecified
6B1Unspecified
7GND_BOOSTUnspecified
8SWUnspecified
9VDD2Unspecified
10GND2Unspecified
11FBUnspecified
12VREFUnspecified
13SOUnspecified
14SIUnspecified
15SSUnspecified
16SCKUnspecified
17PWM_LEDUnspecified
18NRSTUnspecified
19VDDIOUnspecified
20RTUnspecified
21GND3Unspecified
22VDD1Unspecified
23GND1Unspecified
24B2Unspecified
25EPUnspecified

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Questions

Is there a KiCad symbol and footprint for the LP3931ISQ?

Yes. The symbol is EasyEDA_Cloud:LP3931ISQ_NOPB and the footprint EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-TL-EP2.6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LP3931ISQ?

WQFN-24(4x4), with 25 pins. Its footprint is drawn on this page.

Where is the LP3931ISQ datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LP3931ISQ?

JLCPCB lists it as part C3188836, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LP3931ISQ?

Parts like it in the library: the MAX16813ATP/V+T by Maxim Integrated (Analog Devices), the OB3677MDP by OB, the LTC3214EDD#PBF by Analog Devices and the LTC3214EDD#TRPBF by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8