ACEY-SP20S020A is a software protection board scheme specially designed for 12~20 strings of lithium battery packs with BT/UART.
Brand:
ACEYItem No.:
ACEY -SP20S020A-LFPCompliance:
CE CertifiedWarranty:
One Year warranty with lifetime supportOrder(Moq):
Payment:
T/TProduct Origin:
ChinaLead Time:
7days16s 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