6s-10s 20A PCM BMS for 36V 37V Li-ion/Lithium/ Li-Polymer 30V 32V LiFePO4 Battery Pack with Smbus, RS485, RS232 (PCM-L10S20-H53)

Product name:Protection Circuit Module
Model No:PCM-L10S20-H53
For 6S~10S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 6-10 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;

2. The scheme adopts BQ78350+BQ76930;

3. Charging/discharging at the same port, maximum continuous working current 20A;

4. Secondary current/voltage protection;

5. SMBus communication protocol;

6. Support maximum capacity 320Ahr battery string;

7. Programmable protection: current, voltage, temperature;

Protection Circuit Module Specifications For 32V LiFePO4 Battery Packs
No	Test   item (Test at normal temperature 25±2ºC and relative humidity≤90%)		Criterio
1	Communication Interface		SMBus/RS485/Bluetooth/I2C
2	Capacity	Designing battery capacity(PCM)	60Ah
		Max capacity(Battery pack)	320Ah
		Min capacity(Battery pack)	100mAh
		External capacity Indication	LCD,LED,SOC
		Gas gauge algorithm	CEDV algorithm
3	Voltage	Charging voltage	DC: 36V 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)	650 uA
		SLEEP operating-mode current (Gas Gauge IC)	300 uA
		FULL SLEEP operating-mode current (Gas Gauge IC)	0.1 uA
		Maximal continuous charging current	40A
		Maximal continuous discharging current	40A
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	100±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		L120*W65*T8mm
B+:Battery+
B-:Battery-
SMBD:SMBus data line
SMBC:SMBus clock line
NTC1,NTC2:10K NTC
SW1,SW2: Power display switch button
P+:discharge+
P-:discharge-
CH+:Charge+
CH-:Charge-
Communication mode:
1. RS232,RS485 Conversion board:
2. LCD  (PCM-LCD001-415)