L5962TR

Special Purpose Regulators Overview

The L5962TR is a multifunction voltage regulator from STMicroelectronics, designed for automotive applications such as car-radio sets. It integrates a step-down synchronous switching regulator with internal high-side and low-side NDMOS transistors, providing an adjustable output voltage between 1.2 V and 8 V. The device also includes multiple linear regulators: a standby regulator selectable at 3.3 V or 5 V delivering up to 150 mA, and two switched linear regulators (VLR1 and VLR2) controllable via I2C bus. Additional features include two high-side drivers with protection circuits, configurable reset functions, under/over-voltage detection, load dump protection, and independent thermal protection for all regulators.

Special Purpose Regulators Feature Summary

• Integrates a step-down synchronous switching regulator with selectable output voltage and current modes
• Includes multiple linear regulators for standby and switched operations controlled by dedicated pins or I2C bus
• Features two protected high-side drivers capable of handling short-to-ground and battery faults
• Provides comprehensive protection mechanisms including thermal, load dump, and under/over-voltage detection

Special Purpose Regulators Applications

• Automotive audio systems
• Car-radio power management
• Multifunction voltage regulation in vehicle electronics

Special Purpose Regulators Procurement Notes

Verify the specific suffix TR indicates tape-and-reel packaging when ordering. Confirm availability status as the component may be classified as obsolete or have restricted supply depending on the distributor. Ensure compatibility with AEC-Q100 requirements if automotive qualification is necessary for the application design.

Special Purpose Regulators Selection Notes

Select this component for designs requiring a consolidated power solution with both switching and linear regulation capabilities. Consider the I2C control interface for dynamic adjustment of linear regulators. Evaluate the package type SOIC-36 for thermal performance and board space constraints. Verify input voltage ranges and load current requirements against the device's specified limits.

Special Purpose Regulators Part Context

The L5962 belongs to STMicroelectronics' line of versatile power management ICs utilizing BCD technology. It is part of a series designed to meet the complex power distribution needs of automotive infotainment systems. The device consolidates multiple voltage regulation stages into a single chip to reduce component count and board size.

Special Purpose Regulators Replacement Considerations

Check for direct pin-compatible replacements within the same product family. Verify that alternative components support the required I2C communication and protection features. Ensure any substitute maintains the same operating temperature range and automotive qualification standards.