4 layers96 × 100 mm
OtterCastAmp
Ottercast/OtterCastAmp
OtterCastAmp is an open-source WiFi Speaker amplifier, based on a Sochip S3 SoC. Powered by any USB PD adapter for up to 100W of music.
272 parts341MIT
Overview
The MP2303ADN is an uncategorised made by Monolithic Power Systems with 9 pins.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AIC2857FGR8TR, from EasyEDA) and its footprint (Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.62x3.51mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C31430627). 14 open-source boards in 14 repositories on GitHub use it.
Symbol
Footprint
Order codes
1- MP2303ADNLCSC C31430627
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | BS | Unspecified |
| 2 | IN | Unspecified |
| 3 | SW | Unspecified |
| 4 | GND | Unspecified |
| 5 | FB | Unspecified |
| 6 | COMP | Unspecified |
| 7 | EN | Unspecified |
| 8 | SS | Unspecified |
| 9 | EP | Unspecified |
Open-source boards using it
All 14- 4 layers144.2 × 82.8 mm
SmartFuseBox
k3ldar/PowerControlHub
PowerControlHub is a flexible automation controller for 12V systems. It combines relay switching, sensor monitoring, and smart‑home connectivity (MQTT, Home Assistant, REST, BLE) into one device.
93 parts5GPL-3.0 - 2 layers99 × 56.3 mm
ReflowOven controller
TilenTinta/ReflowOven_controller
An open source controller for converting kitchen toaster oven to reflow oven
122 parts5MIT - 2 layers
- 4 layers60 × 56 mm
STM32F4 Breakout REV2
alphaseneca/pcb_design_repo
A repository for storing and documenting the pcb design files.
63 parts1MIT - 2 layers35 × 25 mm
- 4 layers60.4 × 25.2 mm
USB C Power Delivery Conveter
Hirusha785/usb-c-pd-buck-converter
🔌 A compact USB-C Power Delivery converter PCB that negotiates PD input and steps it down to a stable DC output. Includes schematic, PCB layout, and 3D render files. 🔋
24 parts1 - 2 layers32 × 42 mm
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Is there a KiCad symbol and footprint for the MP2303ADN?
Yes. The symbol is EasyEDA_Cloud:AIC2857FGR8TR and the footprint Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.62x3.51mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where can I order the MP2303ADN?
JLCPCB lists it as part C31430627, with 0 in stock; the sellers' links on this page open their listings.
Which open-source boards use the MP2303ADN?
14 boards in 14 repositories on GitHub; the most starred are listed on this page, with their KiCad files.