TPS62903RPJR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS62903RPJR is a synchronous buck converter from Texas Instruments featuring a 3 V to 17 V input range and 3 A output current. It operates with selectable switching frequencies of 1 MHz or 2.5 MHz and delivers an adjustable output voltage between 400 mV and 5.5 V. The device utilizes DCS Control topology for high accuracy and includes automatic power save mode. It is housed in a 9-pin VQFN-HR package measuring 1.50 mm by 2.00 mm.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• DCS Control topology ensures precise output regulation across varying load conditions
• Configurable switching frequency allows optimization for efficiency or transient response
• Automatic power save mode maintains high efficiency at light loads
• Integrated soft-start and tracking inputs simplify system design

Voltage Regulators - DC DC Switching Regulators Applications

• Factory automation and control systems
• Building automation infrastructure
• Data center and enterprise computing equipment
• Motor drive systems
• Personal computers and laptops

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix RPJR corresponds to the standard commercial grade variant rather than automotive specifications. Confirm the package type matches the required VQFN-HR-9 footprint for PCB layout compatibility. Ensure the selected switching frequency configuration aligns with the external component selection for the target application performance requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 17 V is required alongside high continuous current capability. The compact VQFN-HR package suits space-constrained designs. Consider the available switching frequency options to balance electromagnetic interference against passive component size. Verify thermal management needs based on the expected load profile and ambient operating temperature conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS6290x family of high-efficiency synchronous buck converters. The series offers flexible configuration options through the MODE/Smart-CONF pin. Other variants in the family provide different current ratings such as 1 A or 2 A outputs while maintaining similar architectural features and packaging styles for design scalability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

TPS62902RPJR provides a lower 2 A output current option within the same package and feature set. TPS62901RPJR offers a reduced 1 A capacity. Automotive qualified alternatives include the TPS62903QRYTRQ1, which supports higher maximum junction temperatures and wider input ranges.