Overview
The LM27952SD is a LED Driver made by Texas Instruments in a WSON-14-EP(3x4) package with 15 pins. -40℃~+85℃ 30mA 3V~5.5V 4 525kHz~975kHz Charge Pump PWM WSON-14-EP(3x4) LED Drivers ROHS.
PCBKit's library has its KiCad symbol (Celestial_Driver_LED:TI LM27952SD, from Altium's library) and its footprint (EasyEDA_Cloud:WSON-14_L4.0-W3.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2678798).
Symbol
Footprint
Parameters
8- Dimming
- PWM
- Features
- Built-in soft-start；Over-Temperature Protection (OTP)
- Frequency - Switching
- 525kHz~975kHz
- Number of Channels
- 4
- Operating temperature
- -40℃~+85℃
- Output Current
- 30mA
- Topology
- Charge Pump
- Voltage - Input(DC)
- 3V~5.5V
Order codes
1- LM27952SD/NOPBLCSC C2678798
Pinout
15| Pin | Name | Type |
|---|---|---|
| 1 | C2+ | Passive |
| 2 | VOUT | Passive |
| 3 | C1+ | Passive |
| 4 | D4 | Passive |
| 5 | D3 | Passive |
| 6 | D2 | Passive |
| 7 | D1 | Passive |
| 8 | ISET | Passive |
| 9 | EN | Passive |
| 10 | PWM | Passive |
| 11 | VIN | Passive |
| 12 | C2- | Passive |
| 13 | GND | Passive |
| 14 | C1- | Passive |
| 15 | DAP | Passive |
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Is there a KiCad symbol and footprint for the LM27952SD?
Yes. The symbol is Celestial_Driver_LED:TI LM27952SD and the footprint EasyEDA_Cloud:WSON-14_L4.0-W3.0-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 LM27952SD?
WSON-14-EP(3x4), with 15 pins. Its footprint is drawn on this page.
Where is the LM27952SD datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM27952SD?
JLCPCB lists it as part C2678798, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM27952SD?
Parts like it in the library: the LM27952SDX by Texas Instruments and the LM4970SD by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
