3s/4s 3A PCM BMS for 14.4V 14.8V Li-ion/Lithium/ Li-Polymer 12V 12.8V LiFePO4 Battery Pack with I2c, RS232, RS485 Communication (PCM-L04S03-E03)

Product name:Protection Circuit Module
Model No:PCM-L04S03-E03
For 3~4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 3~4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Maximum continuous working current 3A, same interface for charging/discharging;
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Ti BQ34Z100 is adopted;
5. Through the PCM-LCD001-415 display screen, the required information can be read;
6. Connected to the special upper computer software, can display the total voltage, each battery voltage,
capacity,current, temperature, cycle times and other parameters;

Items			Specifications
			Lithium-ion/Lithium Polymer	LiFePO4
Communication Interface			HDQ or I2C
Capacity	Designing battery capacity(4S2P)		5.2Ah(can adjust)
	Max capacity(Battery pack)		320000mAh
	Min capacity(Battery pack)		800mAh
	External capacity Indication		LCD,LED
	Gas gauge algorithm		IT (High accuracy)
Charge	Charging voltage(CC/CV)-4S		CC/CV:16.8V(4.2V/Cell)	CC/CV:14.4V(3.6V/Cell)
	Charging voltage(CC/CV)-3S		CC/CV:12.6V(4.2V/Cell)	CC/CV:10.8V(3.6V/Cell)
	Maximal continuous charging current		3A
Discharge	Maximal continuous discharging current		3A
Low current consumption	Current consumption on operation		<50µA
	Current consumption at power down		/
Cell-balance	Cell-balance detection voltage		/	/
	Cell-balance release voltage		/	/
	Cell-balance current		/	/
Over-charge	Overcharge detection voltage		4.250 ± 0.025 V	3.900 ± 0.025 V
	Overcharge release voltage		4.150 ± 0.050 V	3.600 ± 0.050 V
	Overcharge delay time		0.5~2.0S
Over-discharge	Overdischarge detection voltage		2.50 ± 0.080 V	2.00 ± 0.080 V
	Overdischarge release voltage		3.00 ± 0.100 V	2.30 ± 0.100 V
	Overdischarge delay time		10~400mS
Discharge overcurrent	Discharge overcurrent detection voltage		0.20 ± 0.025 V	0.10 ± 0.025 V
	Discharge overcurrent delay time		5~60ms
	Discharge overcurrent protection		7±2A(can adjust)
	Release condition		Cut-off-load
Short-circuiting  protection	Load short-circuiting detection voltage
	Detection condition		Exterior short circuit
	Load short-circuiting detection delay time		200 ~ 800µs
	Release condition		Cut-off-load
Internal resistance	Static Drain-Source On-Resistance		<50mΩ(B- to P-)
Temperature	Wide range of operation temperature		− 40 ~ + 85 °C
	Storage Temperature Range		-40~+125ºC
Dimension			L65.5*W17.5*T4mm
B+:Battery+
B-:Battery-
SDA:Serial Data interface
SCL:Serial Clock interface
HDQ:Open drain HDQ Serial communication line (slave) HDQ
P+:Charge+/discharge+
P-:Charge-/discharge-