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16s 48v 17s 60v 20s 72v 60a Lifepo4 Bms Circuit Board With BT

ACEY-SP20S020A is a software protection board scheme specially designed for 12~20 strings of lithium battery packs with BT/UART.

  • Brand:

    ACEY
  • Item No.:

    ACEY -SP20S020A-LFP
  • Compliance:

    CE Certified
  • Warranty:

    One Year warranty with lifetime support
  • Order(Moq):

  • Payment:

    T/T
  • Product Origin:

    China
  • Lead Time:

    7days
  • Product Detail

16s 48v 17s 60v 20s 72v 60a Lifepo4 Bms Circuit Board With BT


Product Introduction

ACEY-SP20S020A is a software protection board scheme specially designed for 12~20 strings of lithium battery packs. The product adopts architecture of front-end acquisition chip + MCU, and some parameters can be flexibly adjusted through the host computer according to customer needs.

Configuration

Function Configuration Function Configuration
Number of strings supported 12 ~ 20 s optional 485-communication (isolated) Optional
Continuous current 20 ~ 80 a optional UART interface (isolated) /
Number of NTCs 1 built-in, 2 external CAN communication /
Balance Function Passive equalization 232 Communication Not supported
UART (non-isolated) (Standard option) (Heating function) /
Switch function Optional Module of Bluetooth Optional
Charging current limit Not supported Battery packs in series Not supported
Battery packs in parallel Not supported Secondary protection function /
History storage / LCD display Optional
Pre-discharge function / LED indicator interface /
Buzzer / GPS interface /

Note: The UART interface (non-isolated) does not support communication with chargers or loads.

Basic Parameters

Cell specifications 12~20 strings of iron lithium batteries
Interface type Charge and discharge are both at the same port
Charging voltage 3.6V*Number of strings
Cell voltage range 2.2~3.75V
Continuous charging current 20A~80A optional
Continuous discharging current 20A~80A optional
Consumption of running ≤20mA
Consumption of sleep ≤3mA
Sleep conditions Delay 60±30S under no current \ communication \ protection state
Circuit resistance ≤10mR
Operating temperature -30~75
Structure size of PCB
Size 128±0.5mm * 88±0.5mm * 12-17±2mm
(Length*Width*Height)

Main parameter

Overvoltage and undervoltage protection Project Specification Unit
MIN TYP MAX
Overvoltage 3.7 3.75 3.8 V
Overvoltage delay 1000 2000 3000 mS
Overvoltage release 3.55 3.6 3.65 V
Undervoltage 2.1 2.2 2.3 V
Undervoltage delay 1000 2000 3000 mS
Undervoltage release 2.4 2.5 2.6 V
Undervoltage release conditions 60S voltage self-recovery or charge recovery
Overcurrent Charge Overcurrent Charge protection value) See the configuration table of overcurrent protection value below
Overcurrent Charge delay 7 10 13 S
Charge over current release conditions Automatic recover after a delay of 32S
Overcurrent Discharge 1th Overcurrent Discharge See the configuration table of overcurrent protection value below
1th Overcurrent Discharge delay 7 10 13 S
2th Overcurrent Discharge  See the configuration table of overcurrent protection value below
2th Overcurrent Discharge delay 320 640 1280 mS
Overcurrent Discharge release Automatic recover after a delay of 32S
Short Circuit Discharge Short circuit protection current) See the configuration table of overcurrent protection value below
Short circuit protection delay time 200 400 800 uS
Short circuit protection recovery Recover after 30S delay after disconnecting the load.
Short-circuit description: The short-circuit current is less than the minimum value or higher than the maximum value, which may cause the short-circuit protection to fail, and the short-circuit current exceeds 1000A, short-circuit protection is not guaranteed, and short-circuit protection testing is not recommended.
Overtemperature Charge Temperature protection value 62 65 68
Temperature protection release value 52 55 58
Undertemperature Charge (no heating function) Temperature protection value -15 -10 -5
Temperature protection release value -10 -5 0
Overtemperature Discharge Temperature protection value 72 75 78
Temperature protection release value) 62 65 68
Undertemperature Discharge Temperature protection value -25 -20 -15
Temperature protection release value -15 -10 -5
high temperature protection of FET(Built-in) Temperature protection value 85 90 95
Temperature protection release value 65 70 75
Balance Function Equalization turn-on voltage 3.37 3.4 3.43 V
Difference opening voltage value 15 mV
Balance current 60 mA
Balance model Charge equalization
Balance type Time sharing equalization/pulse equalization

Product Display

BMS

BMS

BMS

BMS

BMS




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