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johyunyoung
| Reference | Value | Description |
|---|---|---|
| Q1 | changeit | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| Q2 | DMG2302U | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| U1 | STM32F031F6Px | STMicroelectronics Arm Cortex-M0 MCU, 32KB flash, 4KB RAM, 48 MHz, 2.0-3.6V, 15 GPIO, TSSOP20 |
| U2 | MCP73831-2-MC | Single cell, Li-Ion/Li-Po charge management controller, 4.20V, Tri-State Status Output, in DFN-8 package |
| U3 | MCP4011-xxxxMS | Low-Cost 64-Step Volatile Digital Potentiometer |
| U4 | FT232RL | USB to Serial Interface, SSOP-28 |
| U5 |
| 1A Adjustable Step-Down DC/DC Power Module in 3.8x3mm, MicroSIP-10 |
| BZ1 | Buzzer | Buzzer, polarized |
|---|
| C1,C7,C12,C14 | 100n | Unpolarized capacitor |
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| C2,C11,C13 | 10n | Unpolarized capacitor |
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| C4,C5 | 4.7u | Unpolarized capacitor |
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| C6 | 0.1u | Unpolarized capacitor |
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| C8,C10 | 10u | Unpolarized capacitor |
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| C9 | 33u | Unpolarized capacitor |
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| D1 | RED | Light emitting diode |
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| D2 | LED | Light emitting diode |
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| FB1 | FerriteBead | Ferrite bead |
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| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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| R1 | 470 | Resistor |
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| R2,R3 | 5.1k | Resistor |
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| R4,R5,R9 | 220 | Resistor |
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| R6-R8 | 10k | Resistor |
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| R10 | 0.01 | Shunt resistor with Kelvin connections |
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| SW1 | SW_DIP_x01 | 1x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
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