BQ24266RGER

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PMIC - Battery Chargers are essential components used in many applications. The BQ24266RGER is a high-integrity, high-current switchmode battery charger that integrates protection circuitry and low Ripple and Noise performance for superior charging current control. It supports lithium-ion/polymer battery charge and discharge functions as well as 3.1V Battery Cell Regulation (BCR).

The BQ24266RGER has a wide range of applications. It is designed to be used in portable electronic devices such as cell phones, tablets, power banks, digital picture frames, GPS and other devices which require a Lithium-Ion/Li-Polymer type battery to function. Furthermore, it can be used in battery charger designs and digital audio systems, as well as a portable charger hardware modules in automotive applications.

The BQ24266RGER is engineered with charge pump and synchronous rectification technology. When the battery voltage is below the regulation voltage, the device will trigger the charge pump and step up the input voltage to the regulated voltage. During charging, the BQ24266RGER periodically monitors the battery voltage and determines if the battery has reached maximum charge when it detects over voltage condition.The voltage regulation control is based on a switched Iout regulation during charging. A zero cross detector on the Iout pin provides current limit, average current limit and the cycle-by-cycle current limit.

The BQ24266RGER is equipped with over-voltage protection, input over-voltage protection, and over-temperature protection which makes the charger safe to use. Thermal regulation also helps to ensure that it will not overheat during extended charging periods. Through its Discontinuous Mode, the device can start up at a lower input voltage to provide better system-level control, improve efficiency and reduce the peak power dissipation.

The BQ24266RGER has a wide range of features specially designed to provide minimum EMI and noise. Its minimum on-time and low-frequency operation makes it an efficient switch-mode charger, allowing for fewer and smaller external components compared to linear chargers, saving board area and saving cost. Its low switching frequency also provides an advantage in noise due to less harmonic content compared to other high-frequency chargers.

The BQ24266RGER is an efficient, high-current switchmode battery charger specifically designed to meet the demands of portable electronic devices today. Its wide range of application and advanced features make it an ideal choice for any project requiring a reliable and safe charging solution.

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