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6S80A Battery Management system ( BMS) with SMBus,I2C communication protocol for Li-ion and Li-Polymer Battery Packs

Categories PCM for Li-ion/Li-Polymer Battery Packs
Brand Name: BEST
Model Number: BEST-####
Certification: ROHS
Place of Origin: SHENZHEN
MOQ: 1000PCS
Payment Terms: TT IN ADVANCE
Supply Ability: 10000PCS/DAY
Delivery Time: 7 DAYS AFTER RECEIVE PAYMENT
Packaging Details: EXPORT WOODEN BOX
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6S80A Battery Management system ( BMS) with SMBus,I2C communication protocol for Li-ion and Li-Polymer Battery Packs

Programmable BMS with SMBus , I2C, Communication protocol

1.Protection Circuit Board for 6S 22.2V Li-ion and Li-Polymer battery pack;
2.PCB applies for 6 configuration Li-ion and Li-Polymer battery pack;
3.To prevent the battery packs from overcharge,overdischarge,over current, over temperature ,short circuit ;
4.With cell balance/equilibrium function;
5.Compatible with all the Li-ion and Li-Polymer cells.
6.How balancing function works? after battery pack is fully charged. PCM will detect each cell's voltage and trim higher voltage down until other cells reach the same voltage level. Therefore, it helps cells have longer service life.

BMS mainly designed based on TI chips, TIBQ78350+BQ76940/BQ76930/BQ76940, and the mosfets for discharge and charge current we mainly use IRF4310/IRF3207/IRF1404 (Only for reference), the specified parameters as below (all the logical parameters are adjustable from software).

(Note: the pictures or parameters in this data sheet are only for your reference, those possibly could be different from the ones you will order. Due to the upgrading of the Hardware/Firmware/Software,Characteristics subject to change without notice, for more information, please contact our technical engineers by email:info@sunbest.net

Specifications


ItemContents

Criteria

(Adjustable from software/hardware)

1ModelBEST-####

5S-15S

Adjustable from software and hardware

2VoltageCharging voltageAdjustable from software
3CurrentMaximal continuous charging current80A (adjustable from hardware)
Maximal continuous discharging current80A (adjustable from hardware)
Current consumption

≤200μA


4Overcharge ProtectionOver charge detection voltageAdjustable from software
Over charge detection delay timeAdjustable from software
Over charge release voltageAdjustable from software
5Over Discharge ProtectionOver discharge detection voltageAdjustable from software
Over discharge detection delay timeAdjustable from software
Over discharge release voltageAdjustable from software
6Over Current ProtectionOver current detection voltageAdjustable from software
Over current detection currentAdjustable from software and hardware
Detection delay timeAdjustable from software
Release conditionAdjustable from software
7Short Circuit ProtectionDetection conditionAdjustable from software
Detection delay timeAdjustable from software
Release conditionCut load, automatically recover
8

Balance

On @ ≥50mV±5mV

OFF @ ≤30mV±5mV

Balance voltage for single cellAdjustable from software
Balance current for single cellAdjustable from hardware
9ResistanceInner resistance≤20mΩ
10TemperatureSingle cell temperature when discharge (over temp. protection) ≥65℃Adjustable from software
Single cell temperature when discharge (low temp. protection) <-40℃Adjustable from software
Single cell temperature when Charge (over temp. protection) ≥50℃Adjustable from software
Single cell temperature when Charge (low temp. protection) <0℃Adjustable from software
11Fuel/Gas gaugeDisplay with LEDs (optional)Thru one button to check capacity
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