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QRET Avionics PCBs and firmware for integrating with the propulsion stack
| Reference | Value | Description |
|---|---|---|
| Q3,Q5 | 2N7002 | 0.115A Id, 60V Vds, N-Channel MOSFET, SOT-23 |
| U1 | TCAN1051HGVDR | |
| U2 | AMS1117-3.3 | 1A Low Dropout regulator, positive, adjustable output, SOT-223 |
| U3,U4,U10 | ID_LM66100DCKR | Ideal Diode |
| U5 | STM32F103CBT6 | STM32 MCU |
| U6 | BY25Q128ES | |
| U8 |
| USB to UART master bridge, QFN-20 |
| U9 | ADC_ADS131M04IPWR | 4-Channel ADC. |
|---|
| U11,U12 | DMP4065S-7 |
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| C1,C7,C12,C21,C35,C50 | 10uF | Unpolarized capacitor |
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| C2,C18,C23,C33,C45,C52 | 0.1uF | Unpolarized capacitor |
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| C3,C4,C46 | 100uF | Polarized capacitor |
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| C5,C6,C20,C28,C43,C44,C48,C49 | 1uF | Unpolarized capacitor |
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| C8,C9,C17 | 100nF | Unpolarized capacitor |
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| C10,C11 | 10p |
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| C13-C16 | 100n |
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| C26,C27,C34,C56 | 10nF | C0G Unpolarized capacitor,Unpolarized capacitor |
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| C29 | 220 nF | Unpolarized capacitor |
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| C51 | 1nF | Unpolarized capacitor |
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| D1 | PWR_3V3_LED (GRN) | Light emitting diode |
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| D2 | PWR_24V_LED (GRN) | Light emitting diode |
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| D3 | PWR_5V_LED (GRN) | Light emitting diode |
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| D4 | USB_LED (GRN) | Light emitting diode |
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| D5 | DB_LED (YLW) | Light emitting diode |
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| D6 | CAN_LED (WHT) | Light emitting diode |
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| D11 | SOL2_LED (YELW) | Light emitting diode |
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| D12 | SOL1_LED (YELW) | Light emitting diode |
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| F1 | Fuse | Fuse |
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| FB1,FB2 | 600R |
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| J1 | Conn_01x06 | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J2 | SWD_CONN | Debug Probe (ST-Link) Connector |
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| J3 | USB_C_CONN | USB-C Connector |
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| J4 | HALL-1 | HALL Sensor 4-pin Connector |
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| J5 | HALL-2 | HALL Sensor 4-pin Connector |
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| R1 | 3.3k |
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| R2,R30,R31 | 12k | Current Limiting Resistor |
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| R3,R16,R23,R51 | 6.2k | Resistor |
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| R5-R8,R22,R25,R43,R48-R50,R52,R54,R60 | 10k | Resistor |
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| R9,R10 | 5.1k | Resistor |
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| R11 | 22k |
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| R12 | 47k |
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| R13 | 1k |
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| R14 | 680 | Resistor |
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| R15 | 270 | Resistor |
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| R17,R18,R21,R45 | 2.2k | Resistor |
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| R19,R20 | 1.2k | Resistor |
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| R44,R53 | 200 | Resistor |
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| R46 | 120 | CAN Termination Resistor |
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| R47 | 100k | Resistor |
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| SW1 | SW_STM_RESET |
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| SW2 | SW_STM_BOOT_MODE |
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| TH1 | Thermistor | Temperature dependent resistor for CJC, *place as close to TC connector as possible. *will need conditoning in code (averaging) |
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| TP1 | 24V-TP | test point |
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| TP2 | 3V3-TP | test point |
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| TP3 | GND-TP-H | test point |
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| TP4 | 3V3_BP | test point |
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| TP5 | GND-TP-P | test point |
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| TP6 | 3V3_USB | test point |
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| TP9 | V_SWD_TP | test point |
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| TP13 | 5V-TP | test point |
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| Y1 | X322516MMB4SI |
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