A4410KLVTR-T

Voltage Regulators - Linear + Switching Overview

The A4410KLVTR-T is a quad-output PMIC from Allegro MicroSystems, designed for automotive applications with AEC-Q100 qualification. It integrates one synchronous buck converter, one synchronous buck/boost converter, and three LDOs within a 38-pin eTSSOP package. The device operates on a supply voltage range of 2.8V to 36V and supports switching frequencies between 250kHz and 2.4MHz. Output specifications include 1.25V at 750mA, 5V at 250mA, and 3.3V at 160mA. It features an integrated sequencer and functions reliably across a temperature range of -40°C to 135°C.

Voltage Regulators - Linear + Switching Feature Summary

• Integrates four distinct regulator topologies including synchronous buck, buck-boost, and linear regulators in a single component.
• Includes an internal sequencer to manage power-up and power-down sequences for complex system requirements.
• Qualified for automotive environments under the AEC-Q100 standard for high reliability.
• Supports wide input voltage ranges suitable for harsh automotive electrical load dump conditions.

Voltage Regulators - Linear + Switching Applications

• Automotive infotainment systems requiring multiple regulated voltage rails.
• Instrument clusters and dashboard displays needing synchronized power sequencing.
• Telematics control units operating in high-temperature automotive environments.
• Body control modules utilizing mixed-signal power regulation.

Voltage Regulators - Linear + Switching Procurement Notes

Verify current availability status as this component may be subject to end-of-life restrictions or limited distribution channels. Confirm that the 38-eTSSOP package dimensions align with your PCB footprint design. Ensure thermal management strategies account for the specific output currents and ambient operating temperatures defined in the official datasheet.

Voltage Regulators - Linear + Switching Selection Notes

Select this component when a single-chip solution for multi-rail automotive power is required. It is appropriate for designs needing integrated sequencing to simplify board layout. Consider the 38-pin package size constraints and verify that the 2.8V to 36V input range matches your vehicle's battery architecture. Evaluate thermal performance based on the combined load of all four outputs.

Voltage Regulators - Linear + Switching Part Context

This part belongs to the A4410 family of power management ICs from Allegro MicroSystems. It is specifically engineered for automotive electronics where space savings and functional integration are critical. The device consolidates multiple discrete regulator functions into one package, reducing component count and simplifying the overall power distribution network for vehicle subsystems.

Voltage Regulators - Linear + Switching Replacement Considerations

Check for direct pin-to-pin replacements within the same Allegro family. Verify if alternative packages or updated revisions offer equivalent electrical characteristics. Consult official obsolescence notices for recommended transition paths if the component is no longer recommended for new designs.