TPS65010RGZT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Over Temperature
Charge Current - Max:	500mA
Battery Pack Voltage:	4.2V

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TPS65010RGZT Application Field and Working Principle

The TPS65010RGZT is a unique power management solution from Texas Instruments, belonging to their battery chargers portfolio of PMICs. It offers a simple, integrated solution for a variety of Li-Ion battery charging applications and is designed specifically for battery-powered portable applications. The chip comes with two primary features: an internal battery charger optimized for Li-Ion, and a system power path management unit. This chip is mainly used in portable battery powered applications like handheld gaming devices and industrial IoT (Internet of Things) devices.

Features

The TPS65010RGZT is equipped with several features that make it ideal for battery-powered portable device applications. These features include:

• Flexible Li-Ion Charge Control: The chip offers flexible, programmable charge control with user-configurable fast and slow charge current.
• Automatic Current Source Switching: The chip provides both automatic (automatically selects between an external input source and an internal linear regulator) and manual current source switching.
• Protection Circuits: The chip offers integrated protection for over-current, over-voltage, over-temperature and short-circuit conditions.
• Power FETs Inrush current limit feature: This feature protects the power line from inrush current surges.
• Dual Charge Status Outputs: An internal logic circuit provides two signals which indicate current charging state(Charge disabled / Charge complete / Charge in Progress).

Applications

The TPS65010RGZT is mainly used in portable battery powered applications, such as:

• Handheld gaming devices
• Industrial IoT devices
• Smart home energy management systems
• Wearable devices
• Medical equipment

Working Principle

The TPS65010RGZT works by first regulating the input power from an external power supply which is then used to charge the Li-Ion battery. It offers a variety of charge control settings, allowing the user to configure the charge current. The device also incorporates protection added features such as over-current, over-voltage, over-temperature, and short-circuit protection.When the voltage at the battery pins approaches the charging voltage, the chip automatically selects an internal linear regulator as the current source to supply power to the system load. When the battery is fully charged, the device indicates the charging completion by driving two charge status outputs. In addition to charging the battery, the chip also provides a Step-down buck boost converter. This allows the user to regulate the output of the battery to any arbitrary voltage level between 0.9V and 6V for providing power to the load. This buck-boost converter can also be used to protect the system from load induced transients.

Conclusion

The TPS65010RGZT is a versatile PMIC device designed for portable battery powered applications. It offers a range of features that make it ideal for powering mobile devices, such as Li-Ion charge control, automatic current source switching, protection circuits and power FETs inrush current limit feature. This makes it a great choice for applications such as handheld gaming devices, industrial IoT devices and smart home energy management systems.

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