The Lws PCB PCM 4s 150A 12V 12.6V LiFePO4 BMS with RS485 Can Smbus is a high-performance Battery Management System designed for 4-series LiFePO4 battery packs. It features a robust 150A continuous discharge capability and operates at a voltage range of 12V to 12.6V. Additionally, it is equipped with communication interfaces including RS485, Can, and Smbus, enabling efficient data exchange and control capabilities for the battery system.
Product Parameter (Specification)
LWS-4S150A-779
Test item
Description
Criterion
Voltage
Charging voltage
DC:14.4V CC/CV
Balance voltage for single cell
3.2±0.025V
Current
Balance current for single cell
55±5mA
Current consumption
≤70uA
Maximal continuous charging current
≤100A
Maximal continuous discharging current
≤150A
Maximal discharging current (time)
Nonee
Over charge Protection
Over charge detection voltage for single cell
3.75±0.025V
Over charge detection delay time
0.5~1.5S
Over charge release voltage for single cell
3.55±0.05V
Over discharge protection
Over discharge detection voltage for single cell
2.30±0.05V
Over discharge detection delay time
500~1500mS
Over discharge release voltage for single cell
2.5±0.10V
Over current protection
Over discharge current protection
280±50A
Detection delay time 1
500~1500mS
Detection delay time 2
500~1500mS
Overcharge current protects current
150±50A
Detection delay time
500~1500mS
Short circuit protection
Short circuit protection current
≈500A
Detection delay time
50~800uS
Protection condition
Exterior short circuit
Release condition
Cut load,Auto recovery
Temperature
MOSMOS temperature protection
/
Charge high temperature protection
55±5ºC
Charge low temperature protection
0ºC
Discharge high temperature protection
75±5ºC
Discharge low temperature protection
-15±5ºC/
Release condition
The temperature drops to 50ºC, charging release
Operating temperature range
-20~+60ºC
Storage temperature range
-20~+60ºC
Resistance
The on-state resistance of the main circuit
≤5mΩ
Break circuit protection
Disconnect the voltage sampling circuit to turn off the charge and discharge
Support
NTC Protection
Thermistor temperature protection
Support
Electronic switch
Electronic switch
Nonsupport
Reverse polarity protection
Support
Product Details
1.Provides protection for 4 series LiFePO4 battery pack
2.Provides protections in charging and discharging
3.Processes the balance between cells smartly, the current of it can be set freely by external components.
4.Deals with over-current and short-circuit protection with circuit itself
5.Protect an electrical circuit from damage caused by over current/ over load or short circuit
6.Support SMBUS protocol
7.Support Bluetooth protocol
Notes