Hottech‘s “Linear Lithium-ion Battery Charging Management Chip“ Won The National Invention Patent Certificate

PublishTime： 2024-03-23 Article Source：HKT News

On January 26, 2024, the "linear lithium-ion battery charging management chip" developed and designed by Hottech Group won the national invention patent and issued a certificate. This patent is an effective practice of Hottech company to advocate technological innovation and technological innovation, which not only embodies the innovative ability of Hottech in the field of chips, but also shows our strong R&D strength and technological innovation level. The acquisition of this patent is of great significance for Hottech to maintain the leading edge in industry technology, enhance the company's core competitiveness and improve the company's brand awareness.

For a long time, Hottech has adhered to the business philosophy of technological innovation and pragmatism, and continued to adhere to research and development, with fruitful results. Not long ago, Hottech just obtained the patent certificate of "a high-frequency and high-current rectifier", which also proved Hottech's continuous leadership and breakthrough in semiconductor technology.

As an original factory with more than 30 years of experience in semiconductor industry, Hottech's concept of stability, persistence and innovation has won the support of customers. At present, the company serves more than 1,000 customers, involving power supply, energy storage, photovoltaic, inverter, power tools, batteries, LED lighting, medical electronics, small household appliances, communication, security, instruments, industrial control, automotive electronics and many other fields. In the future, Hottech Group will, as always, adhere to technological and product innovation, constantly make technological breakthroughs, continue to provide customers with more competitive product solutions in the market, and together add "core" power to the semiconductor field.

Patent description:

The invention relates to the field of charging, in particular to a linear lithium-ion battery charging management chip. The voltage monitoring module is used for acquiring the terminal voltage of the battery, the instantaneous change rate of the terminal voltage of the battery and the average change rate of the terminal voltage of the battery in real time. The temperature monitoring module is used for acquiring the junction temperature and the junction temperature change rate of the chip in real time. The charging current management module is respectively connected with the voltage monitoring module, the temperature monitoring module and the charging time management module, and is used for acquiring the charging current according to the terminal voltage of the battery to be charged and the junction temperature of the chip. The charging time management module is used for acquiring the charging current interruption time.

According to the invention, the electric quantity and the use state of the battery can be obtained in real time, and then an appropriate initial current can be obtained to avoid overcharge damage to the battery caused by excessively high initial current, and the charging amount of the battery in a working state is prevented from being less than the discharging amount.

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