Standard BMS variant
BMS_1608cec18s768522-003_0001
- BMS - basename, FW with application CAPRA
- 16 - 16 DSC transistors
- 08 - 8 CHG transistors
- c - CAN
- e - external switch output available
- c - humidity and pressure sensors included
- 18 - 18 active cell inputs (up to 20)
- s - balancer type BSX
- 76 - pack voltage range 76 V (up to 85 V)
- 85 - DSC current range 850 A
- 22 - CHG current range 220 A
- -003 - CAN terminator
- _0001 - black heatsink, revision 1
info
BMS1 will support series configurations ranging from 4 up to to number of active cell inputs.
PCB assembly code
assembly code
| 16 | 08 | c | e | c | 18 | s | 76 | 85 | 22 | -003 | _0001 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCB name and revision | number of DSC FETs | number of CHG FETs | connectivity variant | other features | installed sensors | active cell inputs | balancer type | pack voltage range | DSC current range | CHG current range | IHW | finish |
| bms1-hd2c_ | x - CAN, UART c - CAN u - UART n - nothing | u - usb charging c - contactor e - external switch n - nothing | h - humidity p - pressure c - hum+pressure n - nothing | s - bsx b - bq |
Internal hardware configuration
It is a hexadecimal number. Each bit represents an enabled feature.
Some default combination are noted
| Bit | Description | 003 | 005 |
|---|---|---|---|
| 0 | CAN terminator | X | X |
| 1 | Power supply for balancer = 10 V | X | |
| 2 | Power supply for balancer = 3.3 V | X |
Finish
| Finish bms1 | Notes |
|---|---|
| 0001 | heatsink revision 1 |