TPS62850240QDYCRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The TPS62850240QDYCRQ1 is a synchronous step-down DC-DC converter from Texas Instruments, designed for automotive applications. It features an adjustable output voltage range of 0.6V to 5.5V with a maximum continuous output current of 2A. The device operates with an input voltage supply between 2.7V and 6V. It integrates a fixed switching frequency of 2.25MHz and supports a shutdown mode with low quiescent current. The component is housed in an 8-pin VSON package (DRC) and is qualified to AEC-Q100 standards for operation across an extended temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency across load ranges
• Fixed internal switching frequency simplifies external component selection
• Automotive-grade qualification ensuring reliability in harsh environments
• Compact surface-mount packaging optimized for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment system power distribution
• Instrument cluster voltage regulation
• Body control module power supplies
• Telematics unit backend processing power

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix '40' indicates the fixed 4.0V output variant when sourcing. Confirm the DRC package marking matches official datasheet diagrams. Ensure the supplier provides valid traceability documentation for automotive grade components. Check for RoHS compliance status as per latest manufacturer declarations. Validate that the ordering part number corresponds exactly to the intended fixed voltage configuration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.0V output is required without external feedback resistors. Compare against adjustable variants if flexible voltage scaling is needed later. Consider the 2A current limit for downstream load requirements. Evaluate thermal performance within the enclosed automotive housing. Verify compatibility with the 2.25MHz frequency against EMI constraints in the vehicle network.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS62850x-Q1 family of automotive buck converters. It shares core topology with adjustable models but utilizes internal resistor networks for fixed outputs. The family targets high-efficiency power management in modern vehicles. Differentiation lies primarily in output voltage configuration and package options within the same functional block.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other TPS62850x-Q1 variants with matching output voltages. Cross-reference pinouts for identical DRC package compatibility. Verify equivalent current handling capabilities for safety margins. Check thermal resistance values for similar heat dissipation profiles.