3s 4s 5s 6s 7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)

• Metal Coating: Copper
• Mode of Production: SMT
• Layers: Multilayer
• Base Material: FR-4
• Certification: RoHS, CCC, ISO
• Customized: Customized
• Model NO.: PCM-L07S20-F47
• Condition: New
• Specified Types: 3~7s Li-ion/Li-Polymer/LiFePO4 Battery
• L-Ion/Li-Polymer Charging Voltage: 12.6~29.4V
• LiFePO4 Charging Voltage: 10.8~25.2V
• Max. Continuous Charging Current: 20A(Max)
• Maximal Continuous Discharging Current: 20A(Max)
• Discharge Overcurrent Protection: 50±10A(Can Adjust)
• Colour of PCM: Green
• Balance: Yes
• Warranty: 12 Months
• Transport Package: Antistatic Bag /White Box and Standard Export Cart
• Specification: L142*W117*T10mm
• Trademark: QUAWIN/OEM
• Origin: China Guangdong
• HS Code: 8507909000
• Production Capacity: 500000/Month

Product Description

Technical parameter

Product name:Protection Circuit Module
Model No:PCM-L07S20-F47
For 3-7S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 3-7 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs; 
2. Connect the special upper computer software to display the total voltage, battery voltage, capacity, current, temperature, cycle times and other parameters;
3. Support HDQ or I2C communication protocol;
4. The metering IC adopts TI BQ34Z100 series, which can read voltage, capacity, current, temperature, cycle times and other parameters;
5. Over charge, over discharge, short circuit, over current, temperature protection, etc.;
6. The maximum continuous working current is 20A, and the charge and discharge are at the same port;
7. Secondary current/voltage protection;
8.MOSFET protection control positive pole;

Protection Circuit Module Specifications  For 25.9V Li-ion/Li-Po  Battery  Pack
No	Test   item (Test at normal temperature 25±2ºC and relative humidity≤90%)		Criterion
1	Communication Interface		HDQ or I2C
2	Capacity	Designing battery capacity(PCM)	20Ah
		Max capacity(Battery pack)	320Ah
		Min capacity(Battery pack)	800mAh
		External capacity Indication	LCD,LED
		Gas gauge algorithm	Impedance Track
3	Voltage	Charging voltage	DC: 29.4V CC/CV(4.2V/1cell)
		Cell-balance detection voltage (Charge balance)	4.2V±0.03V
		Cell-balance release voltage	4.2V±0.025V
		Cell-balance detection delay time	0.96~1.4s
4	Current	Balance current for single cell	84±5mA
		Normal operating-mode current  (Gas Gauge IC)	160 uA
		SLEEP operating-mode current (Gas Gauge IC)	80 uA
		FULL SLEEP operating-mode current (Gas Gauge IC)	25 uA
		Maximal continuous charging current	20A(Max)
		Maximal continuous discharging current	20A(Max)
5	Over charge Protection	Over charge detection voltage	4.25±0.025V
		Over charge release voltage	4.05±0.05V
		Over charge detection delay time	10~200mS(can adjust)
6	Over discharge protection	Over discharge detection voltage	2.5±0.07V
		Over discharge release voltage	3.3±0.1V
		Over discharge detection delay time	0.5~2S(can adjust)
7	Over current protection	Over current detection voltage	0.2±0.015V
		Over current detection current	50±10A(can adjust)
		Detection delay time	5~60mS(can adjust)
		Release condition	Cut load ,
8	Short protection	Detection condition	Exterior short circuit
		Detection delay time	200-800us
		Release condition	Cut load ,
9	Resistance	Protection  circuitry  (MOSFET)	≤50mΩ
10	Temperature	Operating Temperature Range	-40~+85ºC
		Storage Temperature Range	-40~+125ºC
Dimension		L142*W117*T10mm
B+:Battery+
B-:Battery-
SDA:Serial Data interface
SCL:Serial Clock interface
HDQ:Open drain HDQ Serial communication line (slave)
P+:Charge+/discharge+
P-:Charge-/discharge