X1-palmrest-to-keyboard
wozniak-works
A custom replacement board for the Lenovo ThinkPad X1 Carbon palmrest to transform it to keyboard with integrated powerbank and usb hub.
Components (71)
| Reference | Value | Description |
|---|---|---|
| IC1 | BQ25792RQMR | BQ25792 I 2C Controlled, 1-4 Cell, 5-A Buck-Boost Battery Charger with Dual-Input Selector and USB PD 3.0 OTG Output |
| IC2 | TPS25751DREFR | USB Interface IC USB Type-C and USB Power Delivery (PD) controller with integrated power switches , 3V ~ 3.6V, 4.9V ~ 5.5V, 4V ~ 22V , -40C ~ 125C (TJ) , 3mA , 38-WQFN (4x6) |
| Q1,Q5,Q6 | Si2312BDS | N-MOSFET transistor, drain/source/gate |
| Q2,Q3 | BSS138 | 50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23 |
| Q4 | PMOS CJ2301 | P-MOSFET transistor, drain/source/gate |
| Q7,Q9 | PMOS |