HPA00835RTER

Voltage Regulators - DC DC Switching Regulators Overview

The HPA00835RTER is a synchronous step-down SWIFT converter manufactured by Texas Instruments. It operates with an input voltage range of 2.95V to 6V and delivers a maximum output current of 4A. The device supports adjustable output voltages from 0.8V to 4.5V. Key electrical parameters include a typical quiescent current of 0.35mA, a maximum duty cycle of 98%, and a switching frequency range between 200kHz and 2000kHz. It utilizes current mode control and features a 16-WQFN package suitable for operation across a temperature range of -40°C to 150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for improved efficiency in compact designs.
• Supports frequency synchronization to allow multiple converters to operate without audible noise interference.
• Includes pre-bias start-up capability for safe power sequencing in complex systems.
• Features adjustable UVLO and power good indicators for robust system monitoring.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management
• Industrial control systems operating within wide temperature ranges
• Embedded computing modules needing stable low-voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'RTER' against the official Texas Instruments datasheet to confirm the exact reel quantity and tape-and-reel specifications. Ensure the component rating matches catalog standards for automotive or industrial qualification if required. Cross-reference the 16-WQFN package dimensions with your PCB footprint library to guarantee mechanical compatibility before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this converter when designing circuits that require high efficiency at moderate currents within a narrow input voltage window. The integrated SWIFT architecture reduces external component count compared to discrete solutions. Consider the thermal performance of the WQFN package under full load conditions. Verify that the required output voltage falls within the 0.8V to 4.5V adjustable range supported by the internal feedback network.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the TPS54418 family of SWIFT converters, designed for space-constrained applications. The RTER suffix typically denotes a specific packaging configuration for surface-mount assembly. It serves as a direct replacement for older buck regulators in modern portable devices where size and efficiency are critical constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include TPS54418RTET and TPS54418RTEP. Verify pin-to-pin compatibility and ensure the replacement part supports the same 4A output current and 6V maximum input voltage limits. Check for any differences in thermal pad requirements or recommended external component values.