Power Management ICs

Introduction – Lithium-ion Rechargeable Battery Protection ICs

 

Safe and reliable protection with SII Semiconductor Corporation lithium-ion rechargeable battery protection ICs

Lithium-ion rechargeable battery protection ICs from SII Semiconductor Corporation provide powerful support for battery pack developers.

1. Features

Right circuit construction

Rich lineup

SII Semiconductor Corporation offers a lineup of more than 600 lithium-ion rechargeable battery protection ICs covering a wide range of cell counts, applications, and detection voltage values. Whatever your development needs, SII Semiconductor Corporation has the right product for you.

Safe and reliable protection

20 years in the industry

SII Semiconductor Corporation has been developing and producing lithium-ion rechargeable battery protection ICs since 1993. Due to its 20-year track record of safety-focused design, advanced manufacturing technologies and exemplary quality management, SII Semiconductor Corporation can provide products that offer top-class safety and reliability.

Design history

Improved battery performance

High accuracy, low power

SII Semiconductor Corporation uses a high-withstand voltage CMOS process to produce ICs that are extremely accurate and low power consumption.

 Overcharge detection voltage accuracy, Overcurrent detection voltage accuracy, Current consumption during operation

Small, thin and light

SII Semiconductor Corporation’s compact lithium-ion rechargeable battery protection ICs save precious space, meeting the needs of developers creating small, thin and lightweight battery packs.

Packages (Unit: mm)

 SOT-23-5、SOT-23-6、8-Pin TSSOP、16-Pin TSSOP、TMSOP-8、SNT-6A、SNT-8A

 

Multi-cell support

SII Semiconductor Corporation’s lithium-ion rechargeable battery protection ICs provide multi-cell support through cascade connections.

2. Applications

SII Semiconductor Corporation’s lithium-ion rechargeable battery protection ICs can be used in the electronic device that uses a lithium-ion rechargeable battery pack.

Applications: Power tools, Cleaning robots, Cordless vacuum cleaners, Electric bicycles, UPS, ESS

3. Example IC combinations

Example IC combinations

4. Example circuits

Example of protection circuit for 10-cell with secondary protection

Example of protection circuit for 10-cell with secondary protection

Example of protection circuit for multi-cell with cell balancing function

Example of protection circuit for multi-cell with cell balancing function

Remark The connection examples shown in this pamphlet do not guarantee proper operation. Perform through evaluation using the actual application before use.