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FleetOS
A GNSS & cellular enabled device for sending position data and telemetry over MQTT
| Reference | Value | Description |
|---|---|---|
| Q4,Q5 | 2N7002 | 0.115A Id, 60V Vds, N-Channel MOSFET, SOT-23 |
| U1 | STM32F103C8T6 | STMicroelectronics Arm Cortex-M3 MCU, 64KB flash, 20KB RAM, 72 MHz, 2.0-3.6V, 37 GPIO, LQFP48 |
| U3 | NEO-M9N | GNSS Module NEO M8, VCC 2.7V to 3.6V |
| U4 | BC65PB-04-STD | |
| U5 | TPS61200DRC | Low Input Voltage Synchronous Boost Converter With 1.3A Switches, Adjustable Output Voltage, 0.3-5.5V Input Voltage, VSON-10 |
| U6 | AMS1117-3.3 | 1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223 |
| C1,C14,C17,C19-C22 | 100n | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C2 | 100p | Unpolarized capacitor |
| C3 | 22p | Unpolarized capacitor |
| C4,C5,C18 | 10u | Unpolarized capacitor |
| C6 | 0.1u | Unpolarized capacitor |
| C12 | 100u | Polarized capacitor |
| C13,C15,C16 | 33p | Unpolarized capacitor, small symbol |
| C23 | 10n | Unpolarized capacitor |
| C24,C25 | 1u | Unpolarized capacitor |
| C26,C27 | 10p | Unpolarized capacitor |
| C28,C29 | 22u | Unpolarized capacitor |
| D1,D5 | PESD5V0L5UF | Low capacitance unidirectional fivefold ESD protection diode array, 5.0V, Common Anode, SOT-886 |
| D3,D4 | 1.5KE6.8CA | 1500W unidirectional TVS diode, DO-201AE |
| D6 | RED | Light emitting diode |
| D7 | LED | Light emitting diode |
| FB1 | 120R | Ferrite bead |
| J1,J3 | RF2-04A-T-00-50-G | |
| J2 | 0786463001 | |
| J4 | USB_B_Micro | USB Micro Type B connector |
| J5 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
| L2 | 2.2u | Inductor |
| R2 | 24.3k | Resistor |
| R3,R11,R16,R17 | 10k | Resistor |
| R4,R9 | 4.7k | Resistor |
| R6,R10 | 47k | Resistor |
| R12-R14 | 22 | Resistor |
| R18,R19 | 1k5 | Resistor |
| SW1 | SW_SPDT | Switch, single pole double throw |
| Y1 | 16MHz | Four pin crystal, GND on pins 2 and 4 |