Controller Board Part Evaluation
- Kevin Chen (Unlicensed)
- Norman Chong (Unlicensed)
- Titus Chow
Microcontrollers
All microcontrollers should have a CAN controller built in.
TBD: How many IOs do we need?
| Part | Details | Images | Links | Price |
|---|---|---|---|---|
| STM32F072RBT6 | ARM Cortex-M0 128k flash, 16k RAM 51 IOs, 64-LQFP | 497-14644-ND | $5.55 | |
| STM32F072CBT6 | ARM Cortex-M0 128k flash, 16k RAM 37 IOs, 48-LQFP | 497-14645-ND | $5.03 | |
| STM32F042C6T6 | ARM Cortex-M0 32k flash, 6k RAM 38 IOs, 48-LQFP | 497-14648-ND | $4.42 | |
| STM32L433CCT6 | ARM Cortex-M4F (Low-power) 256k flash, 64k RAM 38 IOs, 48-LQFP | 497-16579-ND | $8.27 |
Power
Converts 12v DC to 3.3v. Average current should be around 20mA for a disconnected controller board.
| Part | Details | Images | Links | Price |
|---|---|---|---|---|
| AOZ1282CI | Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 1.2A SOT-23-6 | 785-1613-1-ND | $1.26 | |
| AP65200 | Buck Switching Regulator 2A 10-UFDFN Exposed Pad Efficient at low loads | AP65200FK-7DICT-ND | $0.99 |
Misc
| Part | Details | Images | Links | Price |
|---|---|---|---|---|
| TCAN332DR | CAN Transceiver Replacement for the SN65HVD232DR | 296-43711-1-ND |
Mezzanine (Board-to-board)
Mezzanine connectors are used to connect controller boards to their carrier boards. When selecting final connectors, please be wary of stack height.
| Part | Details | Images | Links | Price |
|---|---|---|---|---|
| Amphenol FCI BergStak | Non-hermaphroditic 0.50mm pitch | 609-5022-1-ND | $1.13 | |
| 609-5028-1-ND | $1.08 | |||
| TE Connectivity Fine Mate | Non-hermaphroditic 0.50mm pitch | A110996CT-ND | ||
| Amphenol FCI MezzoStak | Hermaphroditic 0.50mm pitch Seems to be easy to damage |
| 609-4602-1-ND | |
| Samtec LS2 | Hermaphroditic 2.00mm pitch |
| LS2-125-01-F-D-RA1-ND | |
Hermaphroditic 0.50mm pitch Expensive, hard to source |
| LSHM-150-02.5-L-DV-A-S-TR |
Off-board (Wire-to-board)
Off-board connectors should be able to handle up to 2~3A at 12V. These will be the standard connectors for anything off-board.
| Part | Details | Images | Links | Price |
|---|---|---|---|---|
| Molex CLIK-Mate Connectors | 1.50mm pitch Latch holder | WM9812CT-ND | ||
| WM11189-ND | ||||
| WM9735CT-ND | ||||
| Molex SL Modular Connectors | 2.54mm pitch Latch lock |
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| Molex Mini-Fit Jr. Power Connectors |
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| WM2501CT-ND | |||
| TE Connectivity AMPMODU MTE | 2.54mm pitch Latch holder FFC assemblies available |
| A33865-ND | |
| A100864CT-ND | |||
| A9CCG-0502F-ND | |||
| TE Connectivity Micro MATE-N-LOK | Similar to the connectors used on Plutus 3.00mm pitch Locking ramp |
| A33215CT-ND | |
| A30261-ND | |||
| A30305-ND |
