LP87564JRNFRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LP87564JRNFRQ1 is a four-phase, 20-A synchronous step-down DC/DC converter with integrated power switches. It operates from an input voltage range of 2.8 V to 5.5 V and provides an adjustable output voltage between 0.6 V and 3.36 V. The device features a programmable switching frequency up to 2 MHz and supports automotive-grade operation from -40°C to +125°C. Packaged in a 26-pin PowerVFQFN (4.5x4 mm) with wettable flanks, it delivers high efficiency for demanding applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates four phase channels with internal power switches for compact design
• Supports high load currents up to 20 A with synchronized rectification
• Features programmable switching frequency for optimized component size and transient response

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Advanced driver assistance systems (ADAS)
• Telematics control units
• Digital chassis modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix JRNFRQ1 against the official Texas Instruments datasheet to confirm package type, temperature grade, and tape-and-reel specifications. Ensure the procurement channel provides valid traceability documentation required for automotive components. Cross-reference the manufacturer part number to avoid confusion with similar series variants.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single IC solution is required to supply high current to multiple domains or a single high-power domain. Consider the integrated switch topology to reduce external bill of materials. Evaluate thermal performance requirements given the 20-A capability within the small footprint. Confirm compatibility with the system's input voltage profile and required output regulation accuracy.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LP8756x-Q1 family of automotive buck converters. It shares architectural similarities with the LP87561-Q1 but offers higher current capacity. The family is designed for robust performance in electric vehicle and chassis applications. It complements other PMICs like the LP87334 for lower current needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LP87561IRNFRQ1 is a documented alternative within the same family offering 16-A capacity.