7s-15s 50a BMS for 54V 55.5V Li-ion/Lithium/Li-Polymer 45V 48V LiFePO4 Battery Pack with Smbus,UART,RS485 and Bluetooth

Product name:Protection Circuit Module
Model No:PCM-L15S50-E34
For 7~15S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 7-15 series Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Maximum continuous working current 50a, separate charging and discharging interfaces;
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Temperature switch detects battery temperature and controls discharge MOSFE;
5. Bluetooth function, mobile phone APP connection;
6. The metering IC adopts BQ78350, which can read the parameters such as voltage, capacity, current, temperature and cycle number;
7. The required information can be read through the display screen of model PCM-LCD001-415;
8. Transmit data through RS232 or RS485 interface and write protocol according to customer requirements;

Protection Circuit Module Specifications For 48V LiFePO4 Battery Packs
No	Test item (Test at normal temperature 25±2ºC and relative humidity≤90%)		Criterion
1	Communication Interface		SMBus/RS485/RS232/Bluetooth
2	Capacity	Designing battery capacity(PCM)	34Ah
		Max capacity(Battery pack)	320Ah
		Min capacity(Battery pack)	100mAh
		External capacity Indication	LCD,LED,SOC
		Gas gauge algorithm	Impedance Track
3	Voltage	Charging voltage	DC: 54V CC/CV(3.6V/1cell)
		Cell-balance detection voltage (Charge balance)	3.6V±0.03V
		Cell-balance release voltage	3.5V±0.025V
		Cell-balance detection delay time	0.96~1.4s
4	Current	Balance current for single cell	84±5mA
		Current consumption for single cell	≤20μA
		Normal operating-mode current (Gas Gauge IC)	650uA
		SLEEP operating-mode current (Gas Gauge IC)	300uA
		FULL SLEEP operating-mode current (Gas Gauge IC)	0.1uA
		Maximal continuous charging current	50a(Max)
		Maximal continuous discharging current	50a(Max)
5	Over charge Protection	Over charge detection voltage	3.900 ± 0.025 V
		Over charge detection delay time	0.5S~1.5S
		Over charge release voltage	3.600 ± 0.050 V
6	Over discharge protection	Over discharge detection voltage	2.00 ± 0.080 V
		Over discharge detection delay time	50~150ms
		Over discharge release voltage	2.70 ± 0.100 V
7	Over current protectio	Over current detection voltage	0.2±0.015V
		Over current detection current	130±20a(can adjust)
		Detection delay time	5~20ms
		Release condition	Cut load
8	Short protectio	Detection condition	Exterior short circuit
		Detection delay time	200-800us
		Release condition	Cut load
9	Resistance	Protection  circuitry  (MOSFET)	≤40mΩ
10	Temperatur	Operating Temperature Range	-40~+85ºC
		Storage Temperature Range	-40~+125ºC
Dimension		L130*W65*T10mm
B+:Battery+
B-:Battery-
SMBD:SMBus data line
SMBC:SMBus clock line
P+:Discharge+
P-:Discharge-
RT1,RT3:NTC
RX:UART receiving terminal
TX:UART sending terminal
CH+:Charge+
CH-:Charge-