Semiconductors
Passive Components
Sensors
Power
Optoelectronics
Silicon Mitus has announced the SM5450, a switched capacitor fast-charge pump. The SM5450's DC-DC converters are highly optimized to meet the needs of emerging fast charging applications in the mobile market, providing higher conversion efficiency, shorter battery charge times, and better management of heat dissipation during the device's charge cycle. It is a fast charge chip specifically customized for smartphones, tablets, and any other battery-powered consumer device.
The SM5450 integrates the company's most efficient converter and the highest output charger current to date. It has a peak efficiency of 97.3%, a maximum output current of 6A, and supports 25W of charging power. It also integrates a 12-bit ADC to measure input/output voltage and current as well as chip temperature.
In addition, the serial I2C interface and numerous battery protection options (overvoltage protection, overcurrent protection, thermal shutdown, voltage and current regulation) help to minimize heat dissipation while doubling power, thus reducing design costs for R&D. It also contains the SCP protocol for fast charging communication between the charging head and the phone. The latest version provides an efficient, safe and economical solution for fast charging of consumer applications.
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