OBC Rev #1 Block Diagram: https://drive.google.com/file/d/1jz16wo-MfPBRnbY69DinpfjOtdOwSuzs/view?usp=sharing
| Component | Manufacturer | Cost ($CAD per unit) | Description | URL |
|---|---|---|---|---|
| RM46L852CPGET | TI | $20.404 | ‣ | https://www.ti.com/store/ti/en/p/product/?p=RM46L852CPGET |
A USB to UART bridge can be used to interact with the RM46 bootloader for IAP. This would be very helpful for development purposes. Note that the bootloader will be uploaded to the MCU via JTAG.
| Component | Manufacturer | Cost ($CAD per unit) | Description | URL |
|---|---|---|---|---|
| CP2102N-A02-GQFN20R | Silicon Labs | $3.17 | USB Bridge, USB to UART USB 2.0 UART Interface 20-QFN (3x3) | https://www.digikey.ca/en/products/detail/silicon-labs/CP2102N-A02-GQFN20R/9863478 |
| CP2102N-A02-GQFN28R | Silicon Labs | $3.31 | USB Bridge, USB to UART USB 2.0 UART Interface 28-QFN (5x5) | https://www.digikey.ca/en/products/detail/silicon-labs/CP2102N-A02-GQFN28R/9863480 |
| FT231XS-R | FTDI, Future Technology Devices International Ltd | $3.25 | USB Bridge, USB to UART USB 2.0 UART Interface 20-SSOP | https://www.digikey.ca/en/products/detail/ftdi-future-technology-devices-international-ltd/FT231XS-R/3029139 |
| MCP2221AT-I/ST | Microchip Technology | $3.68 | IC USB TO I2C/UART 14TSSOP | |
| Support for: |
We need to step down the 5V input (From micro USB) to 3V3 and 1V2 (MCU supply voltage)
| Component | Manufacturer | Cost ($CAD per unit) | Description | URL |
|---|---|---|---|---|
| LM26420XMHX/NOPB | Texas Instruments | $5.95 | - Used on the LaunchPad. | https://www.digikey.ca/en/products/detail/texas-instruments/LM26420XMHX-NOPB/2089950 |
It’ll provide overcurrent, overvoltage, and under-voltage protection. It may even provide reverse polarity protection.
| Component | Manufacturer | Cost ($CAD per unit) | Description | URL |
|---|---|---|---|---|
It'll be used in the protection circuitry for the 5V input. Basically, it'll allow us to measure current.
| Component | Manufacturer | Cost ($CAD per unit) | Description | URL |
|---|---|---|---|---|
| MAX9934TAUA+T | Maxim Integrated | $3.91 | IC CURR SENSE 1 CIRCUIT 8UMAX | https://www.digikey.ca/en/products/detail/maxim-integrated/MAX9934TAUA-T/2239131 |
| INA210AIDCKR | Texas Instruments | $2.17 | - Used on the LaunchPad. |
Needed to implement CAN protocol
| Component | Manufacturer | Cost ($CAD per unit) | Description | URL |
|---|---|---|---|---|