LM3549SQX
Texas InstrumentsExtended
-30℃~+85℃ 2.4MHz 2.7V~5.5V 3 6% 720mA、720mA、720mA Buck-Boost Built-in DC-DC PWM、I2C Short Circuit Protection、Under Voltage Protection、Over Current Protection、Over-Temperature Protection (OTP) WQFN-24-EP(4x4) LED Drivers ROHS
- Part id
- ti/LM3549SQX
- Category
- LED Drivers
- Package
- WQFN-24-EP(4x4)
- Pins
- 25
- In stock
- 7 at JLCPCB (C2679205)
Overview
The LM3549SQX is a LED Driver made by Texas Instruments in a WQFN-24-EP(4x4) package with 25 pins. -30℃~+85℃ 2.4MHz 2.7V~5.5V 3 6% 720mA、720mA、720mA Buck-Boost Built-in DC-DC PWM、I2C Short Circuit Protection、Under Voltage Protection、Over Current Protection、Over-Temperature Protection (OTP) WQFN-24-EP(4x4) LED Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM3549SQX_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-BL-EP2.5, from EasyEDA), ready for a KiCad board. 7 are in stock at JLCPCB (part C2679205).
Symbol
Footprint
Pinout
25| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | L1 | Unspecified |
| 3 | L1 | Unspecified |
| 4 | GND_SW | Unspecified |
| 5 | L2 | Unspecified |
| 6 | L2 | Unspecified |
| 7 | VOUT | Unspecified |
| 8 | NC | Unspecified |
| 9 | VOUT | Unspecified |
| 10 | R_EN | Unspecified |
| 11 | VDDS | Unspecified |
| 12 | G_EN | Unspecified |
| 13 | B_EN | Unspecified |
| 14 | PWM | Unspecified |
| 15 | GND | Unspecified |
| 16 | R_OUT | Unspecified |
| 17 | G_OUT | Unspecified |
| 18 | B_OUT | Unspecified |
| 19 | FAULT | Unspecified |
| 20 | SDA | Unspecified |
| 21 | SCL | Unspecified |
| 22 | EN | Unspecified |
| 23 | VDDP | Unspecified |
| 24 | NC | Unspecified |
| 25 | EP | Unspecified |
Parts like it
2
LM27965SQ/NOPB
WQFN-24-EP(4x4)-30℃~+85℃ 1.27MHz~1.57MHz 2.7V~5.5V 3 30mA、90mA、150mA Analog、PWM Charge Pump WQFN-24-EP(4x4) LED Drivers ROHSTexas InstrumentsLED DriversLP8545SQ
WQFN-24-EP(4x4)-30℃~+85℃ 156kHz~1.25MHz 2.7V~22V 3% 6 Boost DC-DC PWM、I2C WQFN-24-EP(4x4) LED Drivers ROHSTexas InstrumentsLED Drivers
Questions
Is there a KiCad symbol and footprint for the LM3549SQX?
Yes. The symbol is EasyEDA_Cloud:LM3549SQX_NOPB and the footprint EasyEDA_Cloud:WQFN-24_L4.0-W4.0-P0.50-BL-EP2.5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM3549SQX?
WQFN-24-EP(4x4), with 25 pins. Its footprint is drawn on this page.
Where is the LM3549SQX datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM3549SQX?
JLCPCB lists it as part C2679205, with 7 in stock; the sellers' links on this page open their listings.
What can replace the LM3549SQX?
Parts like it in the library: the LM27965SQ/NOPB by Texas Instruments and the LP8545SQ by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.