Overview
The LM4970SD is a LED Driver made by Texas Instruments in a WSON-14-EP(3x4) package with 15 pins. -40℃~+85℃ 2.7V~5.5V 3 60Hz PWM WSON-14-EP(3x4) LED Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM4970SD_NOPB, from EasyEDA) 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 C1880293).
Symbol
Footprint
Parameters
5- Dimming
- PWM
- Frequency - Switching
- 60Hz
- Number of Channels
- 3
- Operating temperature
- -40℃~+85℃
- Voltage - Input(DC)
- 2.7V~5.5V
Order codes
1- LM4970SD/NOPBLCSC C1880293
Pinout
15| Pin | Name | Type |
|---|---|---|
| 1 | FILT | Unspecified |
| 2 | VDD | Unspecified |
| 3 | MIN | Unspecified |
| 4 | GND | Unspecified |
| 5 | LIN | Unspecified |
| 6 | RIN | Unspecified |
| 7 | I2CVDD | Unspecified |
| 8 | SDA | Unspecified |
| 9 | SCL | Unspecified |
| 10 | ADR | Unspecified |
| 11 | LED3 | Unspecified |
| 12 | LGND | Unspecified |
| 13 | LED2 | Unspecified |
| 14 | LED1 | Unspecified |
| 15 | EP | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/ti/LM4970SD" title="LM4970SD in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/LM4970SD.jpg" alt="LM4970SD" width="1200" height="900">[](https://pcbkit.io/parts/ti/LM4970SD)Questions
Is there a KiCad symbol and footprint for the LM4970SD?
Yes. The symbol is EasyEDA_Cloud:LM4970SD_NOPB 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 LM4970SD?
WSON-14-EP(3x4), with 15 pins. Its footprint is drawn on this page.
Where is the LM4970SD datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM4970SD?
JLCPCB lists it as part C1880293, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM4970SD?
Parts like it in the library: the LM27952SDX by Texas Instruments and the LM27952SD by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
2
LM27952SDX
WSON-14-EP(3x4)-40℃~+85℃ 2‰ 30mA 3V~5.5V 4 750kHz Built-in Charge Pump DC-DC Over-Temperature Protection (OTP) PWM WSON-14-EP(3x4) LED Drivers ROHSTexas InstrumentsLED DriversLM27952SD
WSON-14-EP(3x4)-40℃~+85℃ 30mA 3V~5.5V 4 525kHz~975kHz Charge Pump PWM WSON-14-EP(3x4) LED Drivers ROHSTexas InstrumentsLED Drivers