Product Overview

The TPS65021RHARG4 is a highly integrated Power Management Integrated Circuit (PMIC) designed by Texas Instruments for portable and handheld applications. This advanced chip is engineered to provide efficient power management solutions for systems powered by one Li-Ion or Li-Polymer battery. It features multiple DC/DC converters, LDO regulators, and a variety of supervisory functions that ensure optimal performance and power efficiency.

Key Features

• High Integration: The TPS65021RHARG4 integrates two 2.25MHz step-down converters, one 1.5MHz step-down converter, two LDOs, and a high-efficiency boost converter in a single package, reducing the need for additional components and simplifying design.
• Versatile Power Supply: This PMIC supports a wide input voltage range suitable for single-cell Li-Ion or Li-Polymer batteries, making it an ideal choice for a variety of portable devices.
• Adjustable Output Voltage: The output voltage of the step-down converters and LDOs can be adjusted through an I2C-compatible interface or external resistors, providing flexibility to meet the needs of different system requirements.
• Dynamic Voltage Scaling: The device supports dynamic voltage scaling, allowing the system to adjust processor core voltage on-the-fly to reduce power consumption during low-performance states.
• Power Sequencing: It comes with programmable power-up and power-down sequencing for safe operation and extended device longevity.
• Thermal Protection: Built-in thermal shutdown protection ensures the device operates within safe temperature limits.

Applications

The TPS65021RHARG4 is designed to meet the power management requirements of a broad range of applications, including:

• Smartphones and PDAs
• Portable media players
• Handheld GPS units
• Portable medical devices
• Other battery-powered consumer electronics

Package and Availability

The TPS65021RHARG4 is available in a compact 40-pin QFN package, providing a space-saving solution for modern portable electronics. Texas Instruments' commitment to quality ensures that this PMIC delivers reliable and consistent performance, making it a trusted choice for designers looking to enhance their products' power management systems.