smartring
amsierco
Components (13)
| Reference | Value | Description |
|---|---|---|
| Q1 | DMN32D2LDF | Common Source Dual 400mA Id, 30V Vds, N-Channel MOSFET, 1.5Ohm Ron, SOT-353 |
| U1 | nRF52840 | Multiprotocol BLE/ANT/2.4 GHz/802.15.4 Cortex-M4F SoC, AQFN-73 |
| U2 | BQ297xy | Voltage and Current Protection for Single-Cell Li-Ion and Li-Polymer Batteries |
| U4 | BQ25185DLHR | |
| BT1 | 3.7V 20mAh LIPO | Single-cell battery |
| C1 | 0.1uF | Unpolarized capacitor |
| C3,C5 | 1uF | Unpolarized capacitor, small symbol |
| C4 | 10uF | Unpolarized capacitor, small symbol |
| R1 | 330R | Resistor |
| R2 | 2.2kR | Resistor |
| R3 | 24k | Resistor |
| R4 | 16k | Resistor |
| TH1 | Thermistor_NTC | Temperature dependent resistor, negative temperature coefficient |