Skip to the content
25

LP8545SQX

Texas InstrumentsExtended

-30℃~+125℃ 1.25MHz 2.7V~22V 4% 50mA 6 Boost Built-in DC-DC PWM、I2C Under Voltage Protection、Over Current Protection、Over-Temperature Protection (OTP)、Short-Circuit Protection WQFN-24-EP(4x4) LED Drivers ROHS

Part id
ti/LP8545SQX
Category
LED Drivers
Package
WQFN-24-EP(4x4)
Pins
25
In stock
58 at JLCPCB (C2679272)

Overview

The LP8545SQX is a LED Driver made by Texas Instruments in a WQFN-24-EP(4x4) package with 25 pins. -30℃~+125℃ 1.25MHz 2.7V~22V 4% 50mA 6 Boost Built-in DC-DC PWM、I2C Under Voltage Protection、Over Current Protection、Over-Temperature Protection (OTP)、Short-Circuit Protection WQFN-24-EP(4x4) LED Drivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LP8545SQE_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-BL-EP2.5, from EasyEDA), ready for a KiCad board. 58 are in stock at JLCPCB (part C2679272).

Symbol

1GND_SW2PWM3ISET4EN5FSET6GD7FAULT8VDDIO9GND_S10SCLK11SDA12OUT113OUT214OUT315GND_L16OUT417OUT518OUT619VSYNC20FILTER21FB22VLDO23VIN24SW25EP
EasyEDA_Cloud:LP8545SQE_NOPBFrom EasyEDA

Footprint

25
EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-BL-EP2.5From EasyEDA

Pinout

25
The pins of the LP8545SQX
PinNameType
1GND_SWUnspecified
2PWMUnspecified
3ISETUnspecified
4ENUnspecified
5FSETUnspecified
6GDUnspecified
7FAULTUnspecified
8VDDIOUnspecified
9GND_SUnspecified
10SCLKUnspecified
11SDAUnspecified
12OUT1Unspecified
13OUT2Unspecified
14OUT3Unspecified
15GND_LUnspecified
16OUT4Unspecified
17OUT5Unspecified
18OUT6Unspecified
19VSYNCUnspecified
20FILTERUnspecified
21FBUnspecified
22VLDOUnspecified
23VINUnspecified
24SWUnspecified
25EPUnspecified

Parts like it

5

Questions

Is there a KiCad symbol and footprint for the LP8545SQX?

Yes. The symbol is EasyEDA_Cloud:LP8545SQE_NOPB and the footprint EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-BL-EP2.5, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LP8545SQX?

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

Where is the LP8545SQX datasheet?

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

Where can I order the LP8545SQX?

JLCPCB lists it as part C2679272, with 58 in stock; the sellers' links on this page open their listings.

What can replace the LP8545SQX?

Parts like it in the library: the LP8545SQ by Texas Instruments, the A80601KESJSR by Allegro MicroSystems, LLC, the PCU9656B by NXP Semiconductors and the ISL78171ARZ by Renesas Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.