Overview
The LP8545SQE is a LED Driver made by Texas Instruments in a WQFN-24-EP(4x4) package with 25 pins. -30℃~+85℃ 156kHz~1.25MHz 2.7V~22V 3% 50mA 6 Boost DC-DC PWM、I2C 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-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2679149).
Symbol
Footprint
Parameters
10- Constant Current Accuracy
- 3%
- Dimming
- PWM；I2C
- Features
- Over Voltage Protection；LED open-circuit protection；Built-in soft-start；Over-Temperature Protection (OTP)；Short Circuit Protection
- Frequency - Switching
- 156kHz~1.25MHz
- Number of Channels
- 6
- Operating temperature
- -30℃~+85℃
- Output Current
- 50mA
- Topology
- Boost
- Type
- DC-DC
- Voltage - Input(DC)
- 2.7V~22V
Order codes
1- LP8545SQE/NOPBLCSC C2679149
Pinout
25| Pin | Name | Type |
|---|---|---|
| 1 | GND_SW | Unspecified |
| 2 | PWM | Unspecified |
| 3 | ISET | Unspecified |
| 4 | EN | Unspecified |
| 5 | FSET | Unspecified |
| 6 | GD | Unspecified |
| 7 | FAULT | Unspecified |
| 8 | VDDIO | Unspecified |
| 9 | GND_S | Unspecified |
| 10 | SCLK | Unspecified |
| 11 | SDA | Unspecified |
| 12 | OUT1 | Unspecified |
| 13 | OUT2 | Unspecified |
| 14 | OUT3 | Unspecified |
| 15 | GND_L | Unspecified |
| 16 | OUT4 | Unspecified |
| 17 | OUT5 | Unspecified |
| 18 | OUT6 | Unspecified |
| 19 | VSYNC | Unspecified |
| 20 | FILTER | Unspecified |
| 21 | FB | Unspecified |
| 22 | VLDO | Unspecified |
| 23 | VIN | Unspecified |
| 24 | SW | Unspecified |
| 25 | EP | Unspecified |
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Is there a KiCad symbol and footprint for the LP8545SQE?
Yes. The symbol is EasyEDA_Cloud:LP8545SQE_NOPB and the footprint EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LP8545SQE?
WQFN-24-EP(4x4), with 25 pins. Its footprint is drawn on this page.
Where is the LP8545SQE datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LP8545SQE?
JLCPCB lists it as part C2679149, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LP8545SQE?
Parts like it in the library: the LP8556SQE-E09 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
