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formulaslug
Electrical Design Repository for fs-4 schematics and PCBs
| Reference | Value | Description |
|---|---|---|
| U1 | AP63205WU | 2A, 1.1MHz Buck DC/DC Converter, fixed 5.0V output voltage, TSOT-23-6 |
| U2 | MIC5504-3.3YM5 | 300mA Low-dropout Voltage Regulator, Vout 3.3V, Vin up to 5.5V, SOT-23 |
| U3 | ISO1044BD | Isolated CAN FD Transceiver, SOIC-8 |
| U4 | BT817Q | Display Driver IC |
| U5 | STM32G441KBTx | STMicroelectronics Arm Cortex-M4 MCU, 128KB flash, 32KB RAM, 170 MHz, 1.71-3.6V, 26 GPIO, LQFP32 |
| U7 | AP3019AKTR | 1.2MHz White LED Boost Drivers with Built-in Schottky, 2.5..16Vin, <30Vout, SOT-23-6 |
| C1,C10,C19 | 10u | Unpolarized capacitor |
| C2,C6-C8,C11-C15,C18,C20,C21,C23 | 100n | Unpolarized capacitor |
| C3 | 47u | Unpolarized capacitor |
| C4,C5,C9,C22,C25,C26 | 1u | Unpolarized capacitor |
| C16,C17 | 6.8pF | Unpolarized capacitor |
| C24 | 220n | Unpolarized capacitor |
| C27-C29 | 68n | Unpolarized capacitor |
| FB1 | FCM 1608KF-601T03 | Ferrite bead |
| J1 | Keystone 985 RJ45 | RJ45 CABLE JACK IP68 Waterproof Keystone Jack |
| J2 | FTSH-107-01-F-DV-K-P-TR | Generic connector, double row, 02x07, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3,J5,J6 | Nanofit 01x02 Right Angle | Generic connectable mounting pin connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | Conn_01x40 | Generic connectable mounting pin connector, single row, 01x40, script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1 | 4.7u | Inductor |
| L2 | 22u | Inductor |
| R1,R4,R7,R8 | 10k | Resistor |
| R2 | 4.7k | Resistor |
| R3,R5,R6 | 100k | Resistor |
| R9,R10,R12 | 11k | Resistor |
| R11 | 4.99 | Resistor |
| R17 | 3k | Resistor |
| R18 | 120 | Resistor |
| S1-S3 | KC14A10.001NPS | Rotary switch 1x4, SP4T with mount point |
| SW1 | Y97KT23B5NAFP | Push button switch, generic, two pins |
| SW2-SW4 | SW_SPST | Push button switch, generic, two pins |
| Y1 | ECS-240-8-37B-CKY-TR | Four pin crystal, GND on pins 2 and 4 |