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PCM/PCB for 4S 14.8V Laptop Battery Packs

Part number: HCX-B149

Features and Benefits

 *Note:Characteristics subject to change without notice.


*Software Protection including:                                      
1.Over Charge Voltage Protection; 
2.Over Charge Current Protection;
3.Over Discharge Voltage Protection;
4.Over Discharge Current Protection;
5.Charge Over Temperature protection; 
6.Discharge Over Temperature protection;

* Voltage/Temperature Calibration:During operation after calibration, The difference for Battery Pack's voltage must<±40mv;The difference for single cell's voltage must<±20mv,the difference for the Temperature must<±1°C;

*Current Calibration:During operation after calibration, the difference for the current must<±30mA(4A discharge),usually within±10mA.

Specifications

Item

Contents

Criteria (Adjustable)

1

Model

HCX-B149

4S-5A working current

2

Voltage

Charging voltage

16.8V

3

Capacity designed

Battery Packs Capacity

 (adjustable)

4

Communication

Communication Mode

SMBus

5

Current

Maximal continuous charging current

5A

Maximal continuous discharging current

5A

Current consumption

100μA

6

Overcharge Protection

1st  Over charge detection voltage

 (adjustable)

1st  Over charge detection delay time

2S

1st  Over charge release voltage

 (adjustable)

2nd Over charge detection voltage

 (adjustable)

2nd Over charge detection delay time

1.5S

7

Over Discharge Protection

Over discharge detection voltage

 (adjustable)

Over discharge detection delay time

2S

Over discharge release voltage

 (adjustable)

8

Over Current Protection

Over current detection current on discharging

 (adjustable)

Detection delay time

2S

Over current detection current on charging

 (adjustable)

Detection delay time

1S

Over current Release condition

0mA 5S

9

Short Circuit Protection

Detection condition

Exterior shot circuit

Detection delay time

/

Release condition

Cut load,automatically recover

10

Balance

Balance voltage for single cell

/

Balance current for single cell

/

11

Resistance

Inner resistance

20mΩ

12

Temperature Protection

Charge over temperature protection

 (adjustable)

Charge under temperature protection

 (adjustable)

Discharge over temperature protection

 (adjustable)

Discharge under temperature protection

 (adjustable)

13

Size  (L*W*T)

L70 x W33.8 x T4 mm

Connection Diagram

 Interface definition

Interface

Description

P-

Connect to the negative terminal of the Load, This port is a large current port. Please select the appropriate wire according to the load current

BATT-(B-)

Connect to the negative terminal of the Battery. This interface is a large current interface. Please select the appropriate wire according to the load current

3.7V(B1)

1st cell+, 2nd cell- 3.6V

7.4V(B2)

2nd cell+, 3rd cell- 7.2V

..

..

 

B+

3rd cell+ 10.8V

P+

Connecting to the positive pole of the power supply when charging and the positive pole of the load when discharging, Please select the appropriate wire according to the load current

PRSE

GND - Output, No connection - no output on P+/P-

TH

10K NTC GND

SLC

Communication clock port

SDA

Communication data interface

 

Wiring diagram

 

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