Deligreen BMS 4S 12V 80A 100A 120A 200A PCB BMS for 3.2V LiFePO4 battery pack
Product Description :
Deligreen BMS 4S 12V 80A 100A 120A 200A PCB BMS for 3.2V LiFePO4 battery pack 18650 Lithium Battery Pack
Model: DG4S BMS( 3.2V rated LiFePO4 not for 3.7V Rated Li-ion Battery)
Constant discharge current: 80A 100A 120A 200A
Peak discharge current: 100A 200A 300A 300A 400A
Charge wire and discharge wire can be common or separate. Please choose what you need.
We can customize any PCB from 2S to 24S lithium batteries with different current.
1． Overview
DG4S BMS is used for 4 series 12V battery pack.
We can design it for various lithium batteries like LiFepo4, LiMn2O4, and Li-polymer etc.
The main functions are: over charge protection, over discharge protection, over current protection, short-circuit protection, temperature protection etc.
2. Advantage
◆Use top quality (A-level) protective integrated circuit IC, from the solution of Seiko of Japan.
◆Strong load ability, constant discharge current 200A, use high voltage resistance, low inner
resistance power Mosfet. The heat sink will greatly help cooling.
◆IC itself has power balancing function. The circuit is simple and reliable.
◆Typical voltage detection for each cell. So each battery will be prevented over charged or over discharged. Over current and short circuit protection
function is very reliable.Long time short circuit of the load won’t affect the PCB and the battery.Temperature protection during charging and discharging.
◆Extreme low power consumption. The consumption of the whole device is less than 50uA.
◆PCB use high anti-corrosion, high water resistance, high impedance ESD conformal Coating
3.Technical parameter
（The following is an example for 3.2V rated LiFePo4 battery.
|
|
Content |
Spec |
Unit |
Remarks |
|
Discharge |
constant discharge current |
80/100/120/200 |
A |
|
|
peak discharge current |
200/200/300/400 |
A |
|
|
|
Charge |
charge voltage |
14.6 |
V |
|
|
charge current |
within 80/100/120/200 |
A |
|
|
|
Over charge protection |
over charge volt |
3.6±0.05 |
V |
|
|
over charge volt protect delay |
0.5 |
S |
|
|
|
Over charge volt release |
3.6±0.05 |
V |
|
|
|
Power balancing
|
Power balance volt |
3.6 |
V |
|
|
balance release volt |
3.6 |
V |
|
|
|
balance current |
35 |
mA |
|
|
|
Over discharge protection |
Over discharge detect volt |
2.5±0.05 |
V |
|
|
Over discharge detect delay |
0.5 |
S |
|
|
|
Over discharge volt release |
3.0±0.05 |
V |
|
|
|
Over current protection |
Over current detect volt |
150 |
mV |
|
|
Over current detect delay |
9 |
MS |
|
|
|
Over current protection |
400A(MAX) |
A |
||
|
Over current protect release |
disconnect load |
|
|
|
|
Short circuit protection |
Short circuit protection |
External load short circuit |
|
|
|
Short circuit detect delay |
250 |
uS |
|
|
|
Short circuit detect release |
Disconnect load |
|
|
|
|
Temperature protection |
Temp protection |
none |
℃ |
Can be customized |
|
resistance |
Main circuit resistor |
≤10 |
mΩ |
|
|
Self- consumption |
Working current |
≤40 |
uA |
|
|
Sleepy current(when battery is over discharged ) |
≤20 |
uA |
|
|
|
Working temp
|
temp range |
-30/+80 |
℃ |
Deligreen BMS 4S 12V 80A 100A 120A 200A PCB BMS for 3.2V LiFePO4 battery pack 18650 Lithium Battery Pack
4. Factory review
Brand Name: QNBBM
Accessory Type: Battery Accessories
Model Number: DG4S200A
Application: 3.2V rated lithium battery
Battery series: 4S
Over charge protection: Yes
Over discharge voltage: Yes
Short circuit protection: Yes
Charge port and discharge port: with both common and separate
Constant discharge current: 80A 100A 120A 200A
Cut off peak discharge current: 220A 220A 350A 530A
Temperature protection: can be customized