TPS65014RGZR

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Power management integrated circuit (PMIC) plays an important role in modern portable devices. It is used to manage energy and power from the device battery and various power sources, as well as to control power distribution to various components. Battery management is an important part of the PMIC. It is responsible for monitoring the charge and discharge of the battery, providing a safe and reliable power supply to prolong the service life of the battery. When designing a practical battery management system, the application of the TPS65014RGZR is worth considering.

The TPS65014RGZR is a highly integrated PMIC battery management device. It includes many features, such as voltage monitoring, a step-down converter, a DC/DC converter, and a charge pump. Its high integration and small size make it ideal for use in small, portable electronic devices such as mobile phones, tablets, and wearables. Its 64-VQFN package is small enough to be applied to devices with limited space.

The TPS65014RGZR mainly works by monitoring the device battery voltage and determining when to charge it. It contains a high accuracy 0.5% shunt resistor for monitoring the battery voltage with a resolution of 16-bits. The results of the voltage monitoring will be used to determine when to start charging and when to stop charging. It also supports fast charge and discharge to accommodate different charging needs. It can be used in both Li-ion and Li-polymer batteries.

In addition, the TPS65014RGZR uses a step-down converter and a DC/DC converter to regulate the battery voltage. The step-down converter is a variable frequency converter that can reduce the output voltage to as low as 0.8V when necessary. The DC/DC converter can step down voltage from high input voltage to a fixed lower output voltage. It also provides greater than 90% efficiency for good energy efficiency.

In terms of charge control, the TPS65014RGZR supports precise voltage control in both constant current and constant voltage mode. It also supports pre-charge and post-charge functions, enabling maximum charge capacity while keeping the battery safe. Lastly, it uses a high-speed, low noise charge pump to provide a voltage boost of up to 4.5V when needed, enabling the device to achieve a higher charging current.

In summary, the TPS65014RGZR is a highly integrated PMIC battery management device that can provide precise voltage control in both constant current and constant voltage mode. Its high accuracy 0.5% shunt resistor can accurately monitor battery voltage with a resolution of 16-bits. Its step-down converter and DC/DC converter can regulate output voltage to as low as 0.8V, while its charge pump provides a voltage boost of up to 4.5V. Therefore, the TPS65014RGZR can be used in various applications with its excellent ability to monitor and control battery voltage.

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