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
- s - balancer type BSX
- 76 - pack voltage range 75.6 V
- 85 - DSC current range 850 A
- 22 - CHG current range 220 A
- -003 - CAN terminator
- _0001 - black heatsink, revision 1
info
BMS1 supports series configurations ranging from 4 up to the number of active cell inputs. See the variant selection table in the electrical specification to pick the right combination of cell inputs and pack voltage range for your battery.
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 |