

Overview
The AL8843SP is a LED Driver made by Diodes Incorporated in a SO-8-EP package with 9 pins. -40℃~+105℃ 1 1MHz 3A 4% 4.5V~40V Analog、PWM Buck Built-in DC-DC Over-Temperature Protection (OTP)、Short-Circuit Protection SO-8-EP LED Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AL8843SP-13, from EasyEDA) and its footprint (EasyEDA_Cloud:SO-8_L4.9-W3.9-P1.27-LS6.0-BL-EP, from EasyEDA), ready for a KiCad board. 6,744 are in stock at JLCPCB (part C507866). 4 open-source boards in 4 repositories on GitHub use it.
Symbol
Footprint
Parameters
11- Constant Current Accuracy
- 4%
- Dimming
- Analog
- Features
- Short Circuit Protection
- Frequency - Switching
- 1MHz
- Number of Channels
- 1
- Operating temperature
- -40℃~+105℃
- Output Current
- 3A
- Switch Tube (Built-In/External)
- Built-in
- Topology
- Buck
- Type
- DC-DC
- Voltage - Input(DC)
- 4.5V~40V
Order codes
1- AL8843SP-13LCSC C507866
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | GND | Unspecified |
| 2 | GND | Unspecified |
| 3 | SET | Unspecified |
| 4 | NC | Unspecified |
| 5 | CTRL | Unspecified |
| 6 | VIN | Unspecified |
| 7 | SW | Unspecified |
| 8 | SW | Unspecified |
| 9 | EP | Unspecified |
Open-source boards using it
All 4- 2 layers42.1 × 24.2 mm

- 2 layers

Neopixel project v3.0
Scrarf/Neopixel-project-v3.0
PCB for ESP8685H4 WIFI based RGBW led driver.
64 parts - 4 layers140 × 70 mm

- 2 layers106.7 × 106.7 mm

Jana Marie ligra ligra back
punkfab/pcb-corpus
235 real KiCad boards from open-source hardware repositories, prepared as a placement and routing benchmark
61 parts1
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Is there a KiCad symbol and footprint for the AL8843SP?
Yes. The symbol is EasyEDA_Cloud:AL8843SP-13 and the footprint EasyEDA_Cloud:SO-8_L4.9-W3.9-P1.27-LS6.0-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AL8843SP?
SO-8-EP, with 9 pins. Its footprint is drawn on this page.
Where is the AL8843SP datasheet?
Diodes Incorporated publishes it: the Datasheet link on this page opens it.
Where can I order the AL8843SP?
JLCPCB lists it as part C507866, with 6,744 in stock; the sellers' links on this page open their listings.
What can replace the AL8843SP?
Parts like it in the library: the SY8705FCC by Silergy Corp, the TPS92411DDA by Texas Instruments, the TPS92411PDDA by Texas Instruments and the AL9910A-5SP by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the AL8843SP?
4 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
4SY8705FCC
SO-8E-40℃~+125℃ 1 1MHz 2.5V~30V 3A Over-Temperature Protection (OTP) PWM SO-8E LED Drivers ROHSSilergy CorpLED DriversTPS92411DDA
SO-8-EP-40℃~+150℃ 1 7.5V~100V AC-DC SO-8-EP LED Drivers ROHSTexas InstrumentsLED DriversTPS92411PDDA
SO-8-EP-40℃~+150℃ 1 7.5V~94V AC-DC TRIAC SO-8-EP LED Drivers ROHSTexas InstrumentsLED DriversAL9910A-5SP
SO-8-EP-40℃~+105℃ 1 20V~500V 300kHz 5% 85VAC~277VAC AC-DC Analog、PWM Buck、Boost External Over-Temperature Protection (OTP)、LED open-circuit protection、Built-in soft-start SO-8-EP LED Drivers ROHSDiodes IncorporatedLED Drivers