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Custom Protection Circuit Module (PCM) with Equilibrium function for 12S Li-ion Pack with communication port (#4212)

Your Price: RFQ
Mimimum 5qty, Lead time: 4-6 weeks

Product ID # 4212
Part Number:

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  
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
SLEEP operating-mode current:
Gas Gauge in SLEEP mode,
ILOAD < Sleep Current
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
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
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
Over current detection current 120±20A
Detection delay time 5ms-60ms
Release condition Cut load
8 Short
Detection condition Exterior short circuit
Detection delay time 200-800us
Release condition Cut load
9 Themperature
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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