TPS6521910RSMR

Power Management - Specialized Overview

The TPS6521910RSMR is a Texas Instruments integrated power management IC (PMIC) designed for Arm Cortex-A53 processors and FPGAs. It features three synchronous buck DC-DC converters and four linear regulators. The primary buck converter delivers up to 3.5A, while two secondary buck converters provide up to 2A each. Input voltage ranges from 2.5V to 5.5V. Output voltages are adjustable, with buck outputs ranging from 0.6V to 3.4V. LDOs support output currents of 400mA and 300mA. The device operates within an ambient temperature range of -40°C to +105°C.

Power Management - Specialized Feature Summary

• Integrates three high-efficiency synchronous buck converters and four low-dropout linear regulators for comprehensive SoC power supply.
• Supports dynamic voltage scaling on all buck converters to optimize power consumption during operation.
• Features programmable power sequencing and default voltage settings to ensure correct system startup.
• Includes I2C interface with standard, fast-mode, and fast-mode+ support for flexible control.

Power Management - Specialized Applications

• Powering Arm Cortex-A53 based embedded processors
• Industrial application systems requiring wide temperature operation
• Portable devices utilizing single-cell lithium-ion batteries

Power Management - Specialized Procurement Notes

Verify the specific suffix RSMR against the manufacturer datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the target System-on-Chip's power rail requirements before integration. Confirm that the selected component meets the environmental temperature ratings required for the intended industrial or portable application environment.

Power Management - Specialized Selection Notes

Select this PMIC when designing systems around Arm Cortex-A53 processors requiring multiple regulated rails from a single input source. It is suitable for applications needing dynamic voltage regulation and precise power sequencing. Consider the thermal performance and inductor requirements for the buck converters when evaluating board space and efficiency constraints.

Power Management - Specialized Part Context

This component belongs to the TPS65219 family of integrated power management ICs. These devices are optimized for complex SoCs, providing a compact solution for industrial and portable electronics. The family supports scalable configurations, allowing designers to manage numerous power rails efficiently within a small footprint.

Power Management - Specialized Replacement Considerations

Consult official substitution lists for compatible PMICs. Verify pin-to-pin compatibility and electrical parameter alignment if replacing with other Texas Instruments power management solutions.

Power Management - Specialized FAQ

What is the maximum output current for the primary buck converter?

The primary buck converter can deliver up to 3.5A of output current.

Does the device support dynamic voltage scaling?

Yes, all three buck converters support dynamic voltage scaling to adjust output voltage dynamically.