
Overview
The LP55281RLX is a LED Driver made by Texas Instruments in a DSBGA-36 package with 36 pins. -30℃~+85℃ 12 2MHz 3V~5.5V 40mA 4V~5.3V 5% Analog、PWM Boost Built-in DC-DC Over Voltage Protection、Over-Temperature Protection (OTP)、Built-in soft-start DSBGA-36 LED Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LP55281RL_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:DSBGA-36_L3.0-W3.0-R6-C6-P0.50-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1879924).
Symbol
Footprint
Parameters
12- Constant Current Accuracy
- 5%
- Dimming
- Analog, PWM
- Features
- Over Voltage Protection, Over-Temperature Protection (OTP), Built-in soft-start
- Frequency - Switching
- 2MHz
- Number of Channels
- 12
- Operating temperature
- -30℃~+85℃
- Output Current
- 40mA
- Output Voltage
- 4V~5.3V
- Switch Tube (Built-In/External)
- Built-in
- Topology
- Boost
- Type
- DC-DC
- Voltage - Input(DC)
- 3V~5.5V
Order codes
1- LP55281RLX/NOPBLCSC C1879924
Pinout
36| Pin | Name | Type |
|---|---|---|
| A1 | VDD2 | Unspecified |
| A2 | B2 | Unspecified |
| A3 | G2 | Unspecified |
| A4 | R2 | Unspecified |
| A5 | GND_RGB1 | Unspecified |
| A6 | B1 | Unspecified |
| B1 | VDDA | Unspecified |
| B2 | IF_SEL | Unspecified |
| B3 | SCK/SCL | Unspecified |
| B4 | SO | Unspecified |
| B5 | IRGB | Unspecified |
| B6 | G1 | Unspecified |
| C1 | VREF | Unspecified |
| C2 | IRT | Unspecified |
| C3 | VDDIO | Unspecified |
| C4 | SI/A0 | Unspecified |
| C5 | SS/SDA | Unspecified |
| C6 | R1 | Unspecified |
| D1 | GNDA | Unspecified |
| D2 | ASE1 | Unspecified |
| D3 | VDD1 | Unspecified |
| D4 | ASE2 | Unspecified |
| D5 | G3 | Unspecified |
| D6 | B3 | Unspecified |
| E1 | B4 | Unspecified |
| E2 | G4 | Unspecified |
| E3 | R4 | Unspecified |
| E4 | GND | Unspecified |
| E5 | R3 | Unspecified |
| E6 | FB | Unspecified |
| F1 | GND | Unspecified |
| F2 | ALED | Unspecified |
| F3 | NRST | Unspecified |
| F4 | GND_RGB2 | Unspecified |
| F5 | GND_SW | Unspecified |
| F6 | SW | Unspecified |
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Is there a KiCad symbol and footprint for the LP55281RLX?
Yes. The symbol is EasyEDA_Cloud:LP55281RL_NOPB and the footprint EasyEDA_Cloud:DSBGA-36_L3.0-W3.0-R6-C6-P0.50-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LP55281RLX?
DSBGA-36, with 36 pins. Its footprint is drawn on this page.
Where is the LP55281RLX datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LP55281RLX?
JLCPCB lists it as part C1879924, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LP55281RLX?
Parts like it in the library: the LP55281TLX by Texas Instruments, the LP3952RLX by Texas Instruments, the LP39542TLX by Texas Instruments and the LP55281RL by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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