Vacuum cleaner power tool battery protection board PCBA
  • Air ProVacuum cleaner power tool battery protection board PCBA
  • Air ProVacuum cleaner power tool battery protection board PCBA
  • Air ProVacuum cleaner power tool battery protection board PCBA

Vacuum cleaner power tool battery protection board PCBA

1) Overcharge protection 2) Over discharge protection 3) Short circuit protection 4) Overcurrent protection

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Product Description

1. Technical parameters 


Serial number

Test items

Specification

Unit

Remarks

1

Current

Permanent discharge current

20A-25A

A

 

 

 

Instantaneous discharge current

30A-40A

A

 

2

Voltage

Charging voltage

Lithium battery charger 5V

V

 

 

 

Recharging current

/

A

 

3

Overcharge protection

Overcharge detection voltage

3.75-4.25±0.05V

V

Single core

 

 

Overcharge protection delay

0.5

S

 

 

 

Overcharge release voltage

3.6-4.08±0.05V

V

Single core

4

Power balance

Cell balance detection voltage

/

V

 

 

 

Cell balance release voltage

/

V

 

 

 

Cell balancing current

45±5

mA

 

5

Over discharge protection

Over-discharge detection voltage

2.1-2.5±0.08V

V

 

 

 

Over-discharge detection delay

0.1S

S

 

 

 

Over-discharge release voltage

2.0-2.9±0.1V

V

 

6

Overcurrent protection

Overcurrent detection voltage

75±5

mV

 

 

 

Overcurrent detection delay

40mS

mS

 

 

 

Overcurrent detection current

/

A

 

 

 

Overcurrent protection release conditions

Disconnect load

 

 

7

Short circuit protection

Short circuit protection conditions

Short circuit of external load

 

 

 

 

Short circuit detection delay

250uS

uS

 

 

 

Short circuit protection release condition

Disconnect load

 

 

8

Temperature protection

Temperature protection

/

Temperature switch can be added

9

Internal resistance

Main circuit conduction internal resistance

≤20

 

10

Self-consumption

Working current

≤30

uA

 

 

 

Sleep current (when current is over-discharged)

≤20

uA

 

11

Operating temperature

Temperature range

﹣20~+80℃

 

12

Board size

Board size

60*25*1.2mm

mm



2. Four major protections

1) Overcharge protection

2) Over discharge protection

3) Short circuit protection

4) Overcurrent protection

3. Our advantage

1) Quality assurance, excellent materials, advanced equipment, strict quality system

2) Fast delivery, one-stop solution from customer information and requirements, reduces customer costs, and accelerates product launch.

3) It can be customized, and various PCBAs can be customized according to customer requirements.

4) Good service, one-to-one dedicated customer service, seamless connection throughout the process.

4. Custom instructions: Custom instructions:

As long as you tell us your functional requirements, our engineers will provide you with design, development and production solutions. We can design into any shape and size. We have completed tens of thousands of customizations, and we know how to design and produce electronic products that require professionalism and consistency. Our production is fully automatic production line, which can provide you with products with stable quality and consistent performance. Establishing long-term cooperative relations is conducive to maintaining stable product quality and follow-up technical services.

Our company mainly does customization and there are no ready-made ones. The pictures on the Internet are some samples that we have ordered and produced for our customers.


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