

Overview
The STWLC38JRM is a wireless Charge Discharge IC made by STMicroelectronics in a WLCSP-40(2.126x3.327) package with 40 pins. WLCSP-40(2.126x3.327) Wireless Charge-Discharge ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:STWLC38JRM, from EasyEDA) and its footprint (EasyEDA_Cloud:WLCSP-40_L3.4-W2.3-R5-C8-P0.40-TL, from EasyEDA), ready for a KiCad board. 7 are in stock at JLCPCB (part C5267845). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Order codes
1- STWLC38JRMLCSC C5267845
Pinout
40| Pin | Name | Type |
|---|---|---|
| A1 | VSSP | Unspecified |
| A2 | VSSP | Unspecified |
| A3 | IEXT | Unspecified |
| A4 | VSSP | Unspecified |
| A5 | VSSP | Unspecified |
| B1 | AC2 | Unspecified |
| B2 | AC2 | Unspecified |
| B3 | BOOT1 | Unspecified |
| B4 | AC1 | Unspecified |
| B5 | AC1 | Unspecified |
| C1 | AC2 | Unspecified |
| C2 | AC2 | Unspecified |
| C3 | BOOT2 | Unspecified |
| C4 | AC1 | Unspecified |
| C5 | AC1 | Unspecified |
| D1 | VRECT | Unspecified |
| D2 | VRECT | Unspecified |
| D3 | VRECT | Unspecified |
| D4 | VRECT | Unspecified |
| D5 | VRECT | Unspecified |
| E1 | VOUT | Unspecified |
| E2 | VOUT | Unspecified |
| E3 | NC | Unspecified |
| E4 | VAA | Unspecified |
| E5 | VSSA | Unspecified |
| F1 | NTC | Unspecified |
| F2 | VS | Unspecified |
| F3 | GPIO0 | Unspecified |
| F4 | VDD | Unspecified |
| F5 | VSSD | Unspecified |
| G1 | COMA1 | Unspecified |
| G2 | COMA2 | Unspecified |
| G3 | GPIO1 | Unspecified |
| G4 | ENB | Unspecified |
| G5 | SDA | Unspecified |
| H1 | COMB1 | Unspecified |
| H2 | COMB2 | Unspecified |
| H3 | GPIO2 | Unspecified |
| H4 | INTB | Unspecified |
| H5 | SCL | Unspecified |
Open-source boards using it
All 1- 4 layers

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Is there a KiCad symbol and footprint for the STWLC38JRM?
Yes. The symbol is EasyEDA_Cloud:STWLC38JRM and the footprint EasyEDA_Cloud:WLCSP-40_L3.4-W2.3-R5-C8-P0.40-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the STWLC38JRM?
WLCSP-40(2.126x3.327), with 40 pins. Its footprint is drawn on this page.
Where can I order the STWLC38JRM?
JLCPCB lists it as part C5267845, with 7 in stock; the sellers' links on this page open their listings.
Which open-source boards use the STWLC38JRM?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.