1. Specifications¶
The following specifications must be met to ensure a safe and optimal work with the foxBMS hardware.
1.1. BMS-Master¶
1.1.1. Electrical Ratings¶
Description |
Minimum |
Typical |
Maximum |
Unit |
---|---|---|---|---|
Supply Voltage DC |
10 |
– |
26 |
V |
Contactor Continuous Current |
– |
– |
4 |
A |
Contactor Feedback Supply Voltage |
– |
5.0 |
– |
V |
Analog Input |
– |
– |
3.3 |
V |
Isolated Contacts Continuous Current |
– |
– |
4 |
A |
Interlock Circuit Sink Current |
– |
10 |
– |
mA |
Idle Supply Current at 12V supply |
– |
150 |
– |
mA |
Idle Supply Current at 24V supply |
– |
110 |
– |
mA |
1.1.2. Mechanical Dimensions (BMS-Master PCB only)¶
Description |
Value |
Unit |
---|---|---|
Width |
120 |
mm |
Length |
160 |
mm |
Height |
15 |
mm |
Weight |
122 |
g |
1.2. BMS-Slave 12-Cell¶
1.2.1. Electrical Ratings¶
Description |
Minimum |
Typical |
Maximum |
Unit |
---|---|---|---|---|
Battery Module Voltage |
11 |
– |
60 |
V |
Single Battery Cell Voltage |
0 |
– |
5 |
V |
Temperature Sensor Inputs |
– |
10k |
– |
Ω |
Analog Inputs (pin headers) |
0 |
– |
5 |
V |
Digital Inputs/Outputs (pin headers) |
0 |
– |
5 |
V |
External DC Supply (HW version 2.1.0 and above) |
8 |
12 |
24 |
V |
1.2.2. Mechanical Dimensions (PCB only)¶
Description |
Value |
Unit |
---|---|---|
Width |
100 |
mm |
Length |
160 |
mm |
Height |
15 |
mm |
Weight |
83 |
g |
1.3. BMS-Slave 18-Cell¶
1.3.1. Electrical Ratings¶
Description |
Minimum |
Typical |
Maximum |
Unit |
---|---|---|---|---|
Battery Module Voltage |
16 |
– |
90 |
V |
Single Battery Cell Voltage |
0 |
– |
5 |
V |
Temperature Sensor Inputs |
– |
10k |
– |
Ω |
Analog Inputs (pin headers) |
0 |
– |
5 |
V |
Digital Inputs/Outputs (pin headers) |
0 |
– |
5 |
V |
External DC Supply |
8 |
12 |
24 |
V |
1.3.2. Mechanical Dimensions (PCB only)¶
Description |
Value |
Unit |
---|---|---|
Width |
100 |
mm |
Length |
160 |
mm |
Height |
15 |
mm |
Weight |
88 |
g |