

Overview
The L9637D is an interface Specialized made by STMicroelectronics in a SOP-8 package with 8 pins. SOP-8 Interface - Specialized ROHS.
PCBKit's library has its footprint (Package_SO:SOP-8_3.76x4.96mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C52219). 8 open-source boards in 5 repositories on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Order codes
1- L9637DLCSC C52219
Open-source boards using it
All 8- 2 layers80.1 × 56.9 mm

- 2 layers115.2 × 78.6 mm

- 2 layers35.6 × 40.6 mm

- 2 layers

- 2 layers65 × 53 mm

Kline l9637d
quangvd917/ab125-kline
Bản mới của kline-l9637d: C3 SuperMini cắm thẳng lên mạch qua rào cái, không còn giắc J2. PCB một mặt, kích thước 70 × 38 mm, để tự làm. Firmware dùng env c3supermini như cũ, không phải sửa.
23 parts2 - 2 layers116.2 × 80.9 mm

- 4 layers66.7 × 37.6 mm

- 2 layers70 × 38 mm

Kline l9637d c3
quangvd917/ab125-kline
Bản mới của kline-l9637d: C3 SuperMini cắm thẳng lên mạch qua rào cái, không còn giắc J2. PCB một mặt, kích thước 70 × 38 mm, để tự làm. Firmware dùng env c3supermini như cũ, không phải sửa.
19 parts2
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<iframe src="https://pcbkit.io/embed/parts/st/L9637D" title="L9637D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/L9637D.jpg" alt="L9637D" width="1200" height="900">[](https://pcbkit.io/parts/st/L9637D)Questions
Is there a KiCad symbol and footprint for the L9637D?
Yes. the footprint Package_SO:SOP-8_3.76x4.96mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the L9637D?
SOP-8, with 8 pins. Its footprint is drawn on this page.
Where can I order the L9637D?
JLCPCB lists it as part C52219, with 0 in stock; the sellers' links on this page open their listings.
What can replace the L9637D?
Parts like it in the library: the LM1881M/TR by HGSEMI, the HCS300-I/SN by Microchip Technology, the XL33290 by XINLUDA and the MC8721C by GATEMODE. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the L9637D?
8 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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