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Custom Protection Circuit Module (PCM) with Equilibrium function for 12S Li-ion Pack with communication port (#4212)
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Mimimum 5qty, Lead time: 4-6 weeks
Product ID # 4212
Part Number: CU-JAS387
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| Protection Circuit Module Specifications For 12S 43.2V/44.4V Lithium Ion Battery Pack |
| Model: CU-JAS387 IC：MM3474G05VBE-TCT1S+BQ34Z100 |
| No. |
Test Item (Tested at normal temperature 25±2℃ and relative humidity≤90%) |
Criterion |
| 1 |
Communication Interface |
I2C |
| 2 |
Capacity |
Designing battery capacity |
14Ah |
| Designing battery capacity |
14Ah |
| Max capacity(Battery pack) |
320000mAh |
| Min capacity(Battery pack) |
800mAh |
| External capacity Indication |
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| Gas gauge algorithm |
Impedance Track |
| 3 |
Voltage |
Charging voltage |
DC: 50.4V CC/CV（4.2V/1cell） |
| Balance voltage for single cell |
4.20±0.05V |
| 4 |
Current |
Balance current for single cell |
67±5mA |
Normal operating-mode current：
Gas Gauge in NORMAL mode,
ILOAD > Sleep Current |
600uA |
SLEEP operating-mode current：
Gas Gauge in SLEEP mode,
ILOAD < Sleep Current |
400uA |
FULL SLEEP operating-mode current：
Gas Gauge in FULL SLEEP mode,
ILOAD < Sleep Current |
200 uA |
| Maximal continuous charging current |
30A |
| Maximal continuous discharging current |
30A |
| 5 |
Over charge
Protection |
Over charge detection voltage |
4.25±0.05V |
| Over charge detection delay time |
0.5S-2S |
| Over charge release voltage |
4.05±0.1V |
| 6 |
Over discharge
protection |
Over discharge detection voltage |
2.75±0.1V |
| Over discharge detection delay time |
10-400mS |
| Over discharge release voltage |
3.0±0.1V |
| 7 |
Over current
protection |
Over current detection current |
120±20A |
| Detection delay time |
5ms-60ms |
| Release condition |
Cut load |
| 8 |
Short
protection |
Detection condition |
Exterior short circuit |
| Detection delay time |
200-800us |
| Release condition |
Cut load |
| 9 |
Themperature
protection |
10 NTC |
attach to battery |
| 65℃ Thermostat |
attach to battery |
| 90℃ Thermostat |
attach to MOSFET |
| 10 |
Resistance |
Protection circuitry |
≤20mΩ |
| 11 |
Temperature |
Operating Temperature Range |
-40～+85℃ |
| Storage Temperature Range |
-40～+125℃ |
| 12 |
Dimension |
LxWxT |
90x50x15mm |
| 13 |
Notes |
Customer can not program the board,
we will preset the board according to
your battery's specification.
What we need to know from customer? |
1. Cell's manufacturer and module number
2. How many in series and parallel
3. What is the capacity of battery pack
4. Maximum continuous discharge current
5. Maximum surge discharge current
6. SMBus or RS485 or RS232 |
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