7s 30A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq, I2c and Bluetooth (PCM-L07S30-C29)
Product Description
Technical parameter
Product name:Protection Circuit ModuleModel No:PCM-L07S30-C29
For 7S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 7 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Connect the special upper computer software to display the total voltage, battery voltage, capacity, current, temperature, cycle times and other parameters;
3. Support HDQ or I2C communication protocol;
4. The metering IC adopts TI BQ34Z100 series, which can read voltage, capacity, current, temperature, cycle times and other parameters;
5. Over charge, over discharge, short circuit, over current, temperature protection, etc.;
6. The maximum continuous working current is 30A, and the charge and discharge are at the same port;
7. With bluetooth function, mobile APP connection;
| Protection Circuit Module Specifications For 25.9V Li-ion/Li-Po Battery Pack | |||
| No | Test item (Test at normal temperature 25±2ºC and relative humidity≤90%) | Criterion | |
| 1 | Communication Interface | HDQ or I2C | |
| 2 | Capacity | Designing battery capacity(PCM) | 10~100Ah |
| Max capacity(Battery Pack) | 290Ah | ||
| Min capacity(Battery pack) | 100mAh | ||
| External capacity Indication | LCD,LED | ||
| Gas gauge algorithm | Impedance Track | ||
| 3 | Voltage | Charging voltage | DC: 29.4V CC/CV(4.2V/1cell) |
| Cell-balance detection voltage (Charge balance) | 4.2V±0.03V | ||
| Cell-balance release voltage | 4.2V±0.025V | ||
| Cell-balance detection delay time | 0.96~1.4s | ||
| 4 | Current | Balance current for single cell | 84±5mA |
| Normal operating-mode current (Gas Gauge IC) | 160 uA | ||
| SLEEP operating-mode current (Gas Gauge IC) | 80 uA | ||
| FULL SLEEP operating-mode current (Gas Gauge IC) | 25 uA | ||
| Maximal continuous charging current | 30A | ||
| Maximal continuous discharging current | 30A | ||
| 5 | Over charge Protection | Over charge detection voltage | 4.25±0.025V |
| Over charge release voltage | 4.05±0.05V | ||
| Over charge detection delay time | 10~200mS(can adjust) | ||
| 6 | Over discharge protection | Over discharge detection voltage | 2.5±0.07V |
| Over discharge release voltage | 3.3±0.1V | ||
| Over discharge detection delay time | 0.5~2S(can adjust) | ||
| 7 | Over current protection | Over current detection voltage | 0.2±0.015V |
| Over current detection current | 80±10A(can adjust) | ||
| Detection delay time | 5~60mS(can adjust) | ||
| Release condition | Cut load , | ||
| 8 | Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 200-800us | ||
| Release condition | Cut load , | ||
| 9 | Resistance | Protection circuitry (MOSFET) | ≤50mΩ |
| 10 | Temperature | Operating Temperature Range | -40~+85ºC |
| Storage Temperature Range | -40~+125ºC | ||
| Dimension | L126*W65*T6mm | ||
| B+:Battery+ |  | ||
| B-:Battery- | |||
| SDA:Serial Data interface | |||
| SCL:Serial Clock interface | |||
| HDQ:Open drain HDQ Serial communication line (slave) | |||
| P+:Charge+/discharge+ | |||
| P-:Charge-/discharge | |||
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