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AmeyDEWan
| Reference | Value | Description |
|---|---|---|
| Q2,Q3 | BC817-40 | 50mA Ic, 160V Vce, Audio High Voltage NPN Transistor, TO-92 |
| U1 | CP2102N-Axx-xQFN28 | USB to UART master bridge, QFN-28 |
| U3 | MCP73871-2CC | Single cell, Li-Ion/Li-Po charge management controller, 4.20V, 6h safety timer, 3.1V LBO threshold |
| U5 | TPS82084SILT | |
| U6 | ESP32-C3FH4 | |
| AE1 | Antenna_Chip | Ceramic chip antenna with pin for PCB trace |
| C1 | 22pF/50V(5%) NC | Unpolarized capacitor |
| C6,C22 | 1uF/16V(10%) | Unpolarized capacitor |
| C7,C13 | 10uF | Unpolarized capacitor |
| C8,C17 | 0.1uF | Unpolarized capacitor |
| C9,C12 | 1uF | Unpolarized capacitor |
| C10 | 4,7u | Unpolarized capacitor |
| C11 | 0,22u | Unpolarized capacitor |
| C14 | 4.7u | Unpolarized capacitor |
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| C15 | 10u | Unpolarized capacitor |
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| C16 | 22u | Unpolarized capacitor |
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| C18 | 0.1uF(RCT) | Unpolarized capacitor |
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| C19 | 0.1uF(CPU) | Unpolarized capacitor |
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| C20,C21 | 0.1uF/50V(10%) NONPOP | Unpolarized capacitor |
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| C23 | 22pF/50V(5%)NC | Unpolarized capacitor |
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| C24 | 10uF/25V(20%) | Unpolarized capacitor |
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| D2 | LED OK | Light emitting diode, small symbol |
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| D3 | LED Full | Light emitting diode, small symbol |
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| D4 | LED Chrg (Yel) | Light emitting diode, small symbol |
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| D5-D7 | GG0402052R542P | 5V, 450W Discrete Bidirectional TVS Diode, SOD-323 |
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| D10 | SD05 | 40V 600mV@1A 1A SOD-323 Schottky Barrier Diodes, SOD-323 |
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| J2 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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| JP1,JP4 | LIMIT | Jumper, 2-pole, small symbol, open |
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| JP2,JP3 | USB | Jumper, 2-pole, small symbol, open |
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| L1 | 2.4nH(init) | Inductor |
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| L2 | 2.0nH(500mA) | Inductor, small symbol |
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| R0_1,R0_2 | 0 | Resistor |
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| R1 | 499 | Resistor |
|---|
| R2,R26 | 0(1%)NONPOP | Resistor |
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| R3-R5,R5*1,R8 | 4.7k | Resistor |
|---|
| R6 | 24nH(initial) | Resistor |
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| R7 | 10K(1%)NONPOP | Resistor |
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| R9 | 100k | Resistor |
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| R10-R12 | 470 | Resistor |
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| R13 | 510k | Resistor |
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| R14 | 499k | Resistor |
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| R15 | 162k | Resistor |
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| R16,R17 | 5.1k | Resistor |
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| R18 | 1k(1%) | Resistor |
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| R19 | 47.5k(1%) | Resistor |
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| R20 | 22.1k(1%) | Resistor |
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| R21-R23 | 10k(1%) | Resistor |
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| R24,R25 | 0(1%) | Resistor |
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| Rdown1,Rup1 | 10k | Resistor |
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| S1,S2 | B3U-1000P | Tactile Switch SPST-NO Top Actuated Surface Mount |
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| TH1 | NTC 10k | Temperature dependent resistor, negative temperature coefficient |
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| Y1 | 40MHz(+-10ppm) | Four pin crystal, GND on pins 2 and 3, small symbol |
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