Technical parameter
Product name:Protection Circuit Module
Model No:PCM-L04S260-J03
For 4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Through the PCM-LCD001-415 display screen, the required information can be read;
3. Support broken line protection;
4. Metering IC adopts TI BQ4050 series, can read voltage, capacity, current, temperature, cycle times and other parameters;
5. At the same time, special APP can be connected through Bluetooth;
6. Over charge, over discharge, over current, temperature protection, etc.;
7. Maximum continuous working current 260a, charging and discharging at the same port;
8. With weak current switch;
| No. | Test item(Test at normal temperature 25±2ºC ) | Criterion |
| 1 | Communication Interface | SMBus |
| 2 | Capacity | Designing battery capacity(PCM) | 250Ah |
| Max capacity(Battery pack) | 290Ah |
| Min capacity(Battery pack) | 100mAh |
| External capacity Indication | LED,LCD |
| Gas gauge algorithm | Impedance Track |
| 3 | Voltage | Charging voltage(4S) | DC:16.8V CC/CV(4.2v/Cell) |
| 4 | Balance | Cell-balance window | 100mv |
| Balance Resistance | 100R |
| CCC Voltage threshold | 3.27V |
| 5 | Supply Current | Normal mode(Firmware running, no flash writes) | 500uA |
| Sleep mode | 100uA |
| Shutdown mode | 1uA |
| Maximal continuous charging current | 260a(Max) |
| Maximal continuous discharging current | 260a(Max) |
| 6 | Over-charge Protection (single cell) | Over-charge detection voltage | 4.25±0.05V |
| Over-charge detection delay time | 1S |
| Over-charge release voltage | 4.05±0.05V |
| 7 | Over-discharge protection (single cell) | Over-discharge detection voltage | 2.50±0.05V |
| Over-discharge detection delay time | 1S |
| Over-discharge release voltage | 3.00±0.05V |
| 9 | Short protection | Detection condition | Exterior short circuit |
| Short protection Current | 800±250a(can adjust) |
| Discharge short-circuiting detection delay time | 200-800us |
| Release condition | Cut load |
| 10 | Resistance | Protection circuitry | ≤40mΩ |
| 11 | Temperature protection | Charge temperature(1st Level Safety) | 55ºC |
Charge temperature detection delay time
(1st Level Safety) | 2s |
| Charge release temperature(1st Level Safety) | 50ºC |
| Discharge temperature (1st Level Safety) | 60ºC |
Discharge temperature detection delay time
(1st Level Safety) | 2s |
| Discharge release temperature(1st Level Safety) | 50ºC |
| Charge temperature (2nd Level Safety) | 65ºC |
Charge temperature detection delay time
(2st Level Safety) | 0s |
| Discharge temperature(2st Level Safety) | 75ºC |
Discharge temperature detection delay time
(2st Level Safety) | 0s |
| Operating temperature | -40~+85ºC |
| Functional temperature | -40~+110ºC |
| Storage temperature range | -65~+150ºC |
| Dimension | L200*W115*T20mm |
| B+:Battery+ |  |
| B-:Battery- |
| SMD：Smbus data line |
| SMC：Smbus clock line |
| RT1,RT2:NTC |
| P+:Charge+/discharge+ |
| P-:Charge-/discharge- |
