Overview
The LP5521TM is a LED Driver made by Texas Instruments in a DSBGA-20 package with 20 pins. -30℃~+85℃ 1.25MHz 2.7V~5.5V 25.5mA 3 4.55V PWM、I2C Short Circuit Protection、Over-Temperature Protection (OTP)、Built-in soft-start DSBGA-20 LED Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LP5521TM_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:DSBGA-20_L2.0-W1.6-R4-C5-P0.40-BL-1, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2678670).
Symbol
Footprint
Parameters
12- Constant Current Accuracy
- 4%
- Dimming
- PWM；I2C
- Features
- Built-in soft-start；Over-Temperature Protection (OTP)；Short Circuit Protection
- Frequency - Switching
- 1.25MHz
- Number of Channels
- 3
- Operating temperature
- -30℃~+85℃
- Output Current
- 25.5mA
- Output Voltage
- 4.55V
- Switch Tube (Built-In/External)
- Built-in
- Topology
- Charge Pump
- Type
- DC-DC
- Voltage - Input(DC)
- 2.7V~5.5V
Order codes
1- LP5521TM/NOPBLCSC C2678670
Pinout
20| Pin | Name | Type |
|---|---|---|
| A1 | B | Unspecified |
| A2 | VOUT | Unspecified |
| A3 | CFLY2N | Unspecified |
| A4 | CFLY2P | Unspecified |
| B1 | G | Unspecified |
| B2 | ADDR_SEL1 | Unspecified |
| B3 | CFLY1N | Unspecified |
| B4 | CFLY1P | Unspecified |
| C1 | R | Unspecified |
| C2 | ADDR_SEL0 | Unspecified |
| C3 | GND | Unspecified |
| C4 | VDD | Unspecified |
| D1 | SCL | Unspecified |
| D2 | GPO | Unspecified |
| D3 | CLK_32K | Unspecified |
| D4 | GND | Unspecified |
| E1 | SDA | Unspecified |
| E2 | EN | Unspecified |
| E3 | INT | Unspecified |
| E4 | TRIG | Unspecified |
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Is there a KiCad symbol and footprint for the LP5521TM?
Yes. The symbol is EasyEDA_Cloud:LP5521TM_NOPB and the footprint EasyEDA_Cloud:DSBGA-20_L2.0-W1.6-R4-C5-P0.40-BL-1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LP5521TM?
DSBGA-20, with 20 pins. Its footprint is drawn on this page.
Where is the LP5521TM datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LP5521TM?
JLCPCB lists it as part C2678670, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LP5521TM?
Parts like it in the library: the LP5521TMX by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
