BMU Tester
• Precision grade 0.01%
• Support DC voltage, current, nA level standby current, resistance and other routine tests
• Support over/under-voltage, over-shoot/discharge temperature, short-circuit and other protection tests
• Communication bus levels are programmable and compatible with a wide range of Gas Gauge ICs
• Support SWD or llC firmware burn-in
• Fast testing speed, supporting up to 24 channels of parallel testing
• Powerful software with friendly user interfaces, which can be uploaded to the MES system and used as a test device in R&D or production
Overview
The BMU (Battery Module Unit) Tester is a high-precision measuring device, which is mainly used for testing the basic and protection characteristics of lithium battery protection boards, with high precision, high reliability, high integration, and compact size.
Interface Diagram
Testing Block Diagram
Measuring Accuracy
|
Type |
Range |
Resolution |
Accuracy (worst-case) |
|
Voltage |
5 V |
5 uV |
±300 uV |
|
Current |
50 nA |
50 pA |
±4 nA |
|
250 uA |
500 pA |
±4 nA |
|
|
1 mA |
1.5 nA |
±40 nA |
|
|
25 mA |
1.7 nA |
±50 nA |
|
|
1 A |
5 uA |
±0.3 mA |
|
|
2 A |
10 uA |
±0.3 mA |
|
|
3 A |
10 uA |
±3 mA |
|
|
10 A |
30 uA |
±3 mA |
|
|
30 A |
50 uA |
±50 mA |
|
|
Resistance |
50 mΩ |
5 uΩ |
±0.3 mΩ |
|
500 Ω |
1 mΩ |
±1 Ω |
|
|
1 MΩ |
1 Ω |
±3 KΩ |
|
|
Temperature Sensor |
-20°C to 50°C |
7.8125 m°C |
±0.1°C |
|
Timing |
34 s |
8 ns |
±205 ps |
PSU Setting Accuracy
|
|
Type |
Range |
Resolution |
Accuracy (worst-case) |
|
PS1 |
Voltage |
5 V |
50 uV |
±500 uV |
|
Current |
±1 A |
0.02 mA |
±0.3 mA |
|
|
PS2 |
Voltage |
5 V |
50 uV |
±500 uV |
|
Current |
1 A |
0.02 mA |
±0.3 mA |
|
|
2 A |
0.03 mA |
±0.6 mA |
||
|
3 A |
0.05 mA |
±1 mA |
||
|
10 A |
0.5 mA |
±5 mA |
||
|
30 A |
1 mA |
±50 mA |
