BQ24616RGET

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The BQ24616RGET family of Power Management ICs (PMICs) is an advanced, multiphase charger for battery-powered devices. All integrated functions are optimized for an optimized thermal, current and voltage performance, enabling performance and flexibility for a wide range of applications. This charger family has high levels of integration that enable efficient operation, reduced power consumption and optimal power delivery.

Most PMICs consist of several DC/DC converters, battery chargers, and LDOs. Depending on the number of integrated functions, they provide different features and performance characteristics. The BQ24616RGET family, which was designed for industrial and low-power applications, offers up to four independent channels. Also, it provides individual and parallel current sharing capabilities, as well as pre-distribution options. It offers non-volatile control and monitoring, as well as pre-configured battery charging profiles.

In terms of applications, the BQ24616RGET is suitable for a wide range of industrial applications, such as professional/medical/consumer equipment, automotive/avionic/military, robotics, and communications. As for the working principle, each of the independent channels is supplied with up to four stages of synchronous DC/DC conversion, in parallel or in series. The first stage of DC/DC conversion comprises two boost converters, the second stage consists of a boost-buck converter. The third stage comprises a buck converter, and the fourth stage is a low-dropout linear regulator. Each of the stages is temperature-controlled for power output, efficiency, and thermal performance.

The complete charging process is supervised by an advanced Battery Management System (BMS), which is designed to be compliant with international battery charging standards. The BMS integrates all individual controllers, measurements, and physical gateways into a single function. The BMS offers a variety of features, such as discharge cut-off protection, cell balancing, equalizing, and cell redundancy protection.

The BQ24616RGET family is equipped with a wide range of programmable features, such as pre-programmed MPPT and PID controllers, adjustable switching frequency, and adjustable peak current and voltage levels. The integrated gate drivers offer the highest level of protection and safety. In addition, the charger family offers integrated safety features, such as over-temperature protection, over-voltage protection, and over-current protection.

In summary, the BQ24616RGET family is an advanced, high-performance PMIC designed for battery-powered devices. It has a wide range of integrated features that enable power delivery optimization, efficient operation, and reliable system protection. Its flexible design and advanced features make it suitable for a wide range of industrial and consumer applications.

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