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Home > Products > PCM / BMS > 6-10S > 7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)

7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)

Product Description

Technical parameter
Product name:Protection Circuit Module
Model No:PCM-L07S15-C72
For 7S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs

Product Feature:
1. Suitable for 7 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs; 
2. Separate charging / discharging interface, charging current 5A, discharging current 15A;

3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Temperature switch detects battery temperature and controls discharge MOSFE;
5. The metering IC adopts BQ78350, which can read the parameters such as voltage, capacity, current, temperature and cycle number;
6. The required information can be read through the display screen of model PCM-LCD001-415;
7. Transmit data through RS232 or RS485 interface and write protocol according to customer requirements;
Protection Circuit Module Specifications For 21V LiFePO4 Battery Packs
NoTest   item
 (Test at normal temperature 25±2ºC and relative humidity≤90%)
Criterio
1Communication Interface SMBus/I2C/RS485
2Capacity Designing battery capacity(PCM)       1~32Ah
Max capacity(Battery Pack)  32Ah
Min capacity(Battery pack)    1 Ah
External capacity Indication LCD,LED,SOC 
Gas gauge algorithm  CEDV
3VoltageCharging voltage DC: 25.2V 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 time0.96~1.4s 
4Current 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  5A
Maximal continuous discharging current  15A
5Over charge ProtectionOver charge detection voltage3.900 ± 0.025 V
Over charge detection delay time0.5S~1.5S
Over charge release voltage3.600 ± 0.050 V
6Over discharge protectionOver discharge detection voltage2.00 ± 0.080 V
Over discharge detection delay time50~150ms
Over discharge release voltage2.70 ± 0.100 V
7Over current protectioOver current detection voltage 0.2±0.015V
Over current detection current40±5A(adjustable)
Detection delay time5~20ms
Release conditionCut load
8Short protectioDetection conditionExterior short circuit
Detection delay time200-800us
Release conditionCut load
9ResistanceProtection  circuitry  (MOSFET)≤40mΩ
10TemperaturOperating Temperature Range-40~+85ºC
Storage Temperature Range-40~+125ºC
DimensionL120*W42*T7mm
B+:Battery+7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)
B-:Battery-
SMBD:SMBus data line
SMBC:SMBus clock line
P+:discharge+
P-:discharge-
CH+:Charge+
CH-:Charge- 
Communication mode:
1. RS232,RS485 Conversion board:
7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)
 
2. LCD  (PCM-LCD001-415)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)
7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)7s C: 5A D: 15A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Smbus and Ntc (PCM-L07S15-C72)

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Product Categories : PCM / BMS > 6-10S