12S 35A 36V BMS Combined for 3.2V Rated lithium battery pack 18650 Battery Pack

 

Model Number: DG12S35A
Accessory Type: Battery Accessories
Brand Name: QNBBM
Application: 3.2V rated lithium battery
Battery series: 12S
Over charge protection: Yes
Over discharge voltage: Yes
Short circuit protection: Yes
With temperature monitor: Yes
Charge port and discharge port: Share the same one
Constant discharge current: 35A
Constant peak discharge current : 130A
Size: 61*73*9mm

Constant discharge current: 35A

Peak discharge current: 130A

Charge wire and discharge wire share the same one.

We can customize any PCB from 1S to 30S lithium batteries with different current.

 

1. Overview

DG12S35A PCB is used for 12 series 36V battery pack.

 

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 35A, 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 lithium ion battery.

If your battery is 3.7V rated battery, we will set the parameters for it,please leave message to us. )

 

Content

Spec

Unit

Remarks

Discharge

constant discharge current

35

A

 

peak discharge current

130

A

 

charge

charge voltage

43.2

V

 

charge current

35(MAX)

A

 

Over charge protection

over charge volt

3.65±0.025

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±0.1

V

 

Over  current protection

Over current detect volt

150

mV

 

Over current detect delay

9

MS

 

Over current protection

None

A

Can be customized

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

 

Self-

consumption

Working current

≤40

uA

 

Sleepy current(when battery is over discharged )

≤20

uA

 

Working temp

 

temp range

-30/+80

 

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