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Protection IC - List of Manufacturers, Suppliers, Companies and Products

Protection IC Product List

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3-5 cell Li-ion protection IC "R5651T series"

3-5 cell Li-ion protection IC "R5651T series"

We have achieved the highest low-voltage high-precision performance in our company thanks to the low resistance compatibility of the current sense resistor!

The "R5651T series" is a protection IC that achieves low voltage, high precision monitoring for overcharge, over-discharge, discharge overcurrent, and charge overcurrent detection, along with temperature protection and cell connection-free design, utilizing a cascade function. By separating the charging and discharging paths, it also enables low impedance for the battery pack, and adopts a compact package "TSSOP-24." With high precision, low power consumption, and space-saving design, it contributes to enhancing the competitiveness of customers' Li-ion battery applications. 【Features】 ■ Industry-leading high precision overcharge (OVP) monitor ■ Industry-leading high precision over-discharge (UVP) monitor ■ Temperature protection ■ Adoption of our highest voltage-resistant elements in circuits composed of inter-cell voltages ■ Cascade function ■ Package *For more details, please refer to the PDF document or feel free to contact us.

  • Dedicated IC

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Protection IC for 2-cell lithium-ion batteries 'NB7200 Series'

Protection IC for 2-cell lithium-ion batteries 'NB7200 Series'

We will help improve the competitiveness of your lithium-ion battery applications with high precision, low consumption, and space-saving solutions.

Applications equipped with 2-cell lithium-ion batteries have primarily included digital cameras, portable DVDs, tablet PCs, intercoms, etc. However, recently, they have also been increasingly used in electric assist bicycles, beauty and health devices, toys, small electric tools, and cleaners. While smartphones have mostly used 1-cell batteries until now, the demand for high capacity and fast charging has led to the emergence of 2-cell models. The "NB7200 series" features industry-leading high-precision overcharge, over-discharge, and discharge overcurrent detection monitors for 2-cell applications. Additionally, by using external resistors, it improves current detection accuracy and adopts a compact DFN1616-8 package (1.6×1.6×0.4mm), contributing to high precision, low power consumption, and space-saving, thereby enhancing the competitiveness of customers' lithium-ion battery applications.

  • power supply

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Protection IC for single-cell lithium-ion batteries

Protection IC for single-cell lithium-ion batteries

Contribute to improving safety.

The NB7140 series is equipped with industry-leading high-precision overcharge, over-discharge, and discharge overcurrent detection functions for single-cell applications, as well as a forced standby function. Additionally, it has improved the flexibility of the voltage setting for prohibiting charging of 0V batteries (low-voltage batteries). Furthermore, the NB7140 series features a forced reset function, while the NB7141 series is the world's first single-cell protection IC to include a watchdog timer function. This enhances safety, contributes to high precision, low power consumption, improved safety, and space-saving, thereby enhancing the competitiveness of our customers' lithium-ion battery applications.

  • power supply

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High-side protection IC "NB7120 Series"

High-side protection IC "NB7120 Series"

High-side protection IC with temperature protection function for 1-cell lithium-ion batteries "NB7120 Series"

The NB7120 series from Nisshinbo Micro Devices is a high-side N-channel MOSFET drive type that facilitates communication by preventing differences in ground levels between the system side and the battery pack side. By enhancing the overcharge detection accuracy (from -20°C to 60°C) and the charge/discharge overcurrent detection accuracy to industry-leading levels, it improves the safety of the equipment. Additionally, by stopping the internal circuit, it minimizes the current consumption after over-discharge detection, which helps to reduce the depletion of battery capacity during inventory periods before product sales.

  • Other electronic parts

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