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Automatic 1-32 Series High-Speed Lithium Battery BMS Protection Board Tester Equalization
BMS Tester Description
It is a new type of high-speed lithium battery protection board (BMS) tester, which supports simultaneous testing of 4 to 8 battery protection boards, and can perform fast function detection on up to 30 channels. The main functions of the detection include channel leakage current, channel equalization current, charge and discharge Power MOSFET on-resistance, battery cell channel overvoltage protection and release function, battery cell channel undervoltage protection and release function, and protection delay time function.
BMS Tester Features
1. Support synchronous testing of 4~8 fast lithium battery
protection boards (lithium ion battery protection board, lithium
polymer battery protection board)
2. Support fast function detection of 1~30 series battery
protection boards
3. Support 2 production test modes: production full test mode, and
production accelerated test mode (optional)
4. Support protection board detection in two connection modes
(separate port connection mode, parallel port connection mode)
5. Support B-, P-, C- negative terminal control protection board
and B+, P+, C+ positive terminal control protection board test
6. Support input leakage current test and balance current test
7. Support the conduction impedance test of the protection board
(charging MOS loop impedance, discharging MOS loop impedance)
8. Support charge/discharge protection delay time test and setting
Specifications
| NO. | Items | Measuring Range | Accuracy |
| 1 | Number of test strings | 1-32 | |
| 2 | Reference voltage | LiCoO3(3.8V) LiFePO4(3.0V) | |
| 3 | Overcharge protection voltage | 0.5-5V | ±5mV |
| 4 | Over discharge protection voltage | 0.5-5V | ±5mV |
| 5 | Overcharge recovery voltage (self recovery) | 0.5-5V | ±5mV |
| 6 | Over discharge recovery voltage (self recovery) | 0.5-5V | ±5mV |
| 7 | Overcharge protection current | 1-40A | ±0.1A |
| 8 | Over discharge protection current | 1-150A | ±0.1A |
| 9 | Balanced opening voltage | 0.5-5V | ±5mV |
| 10 | Balanced real time current | 0-1000mA | ±1mA |
| 11 | Over current protection delay | 0-15S | ±1mS |
| 12 | Overcharge protection delay | 0-20S | ±1mS |
| 13 | Over discharge protection delay | 0-20S | ±1mS |
| 14 | Single section self consumption | 0-500uA | ±1uA |
| 15 | Loop internal resistance | 0-500mΩ | ±1mΩ |
| 16 | Short circuit protection (more than 6 strings) | 0-9999us | ±1uS |
Scope of Application:All hardware scheme protection boards and some
software boards on the market (special test items need to | |||
