HIP6021ACB

Overview

The Intersil HIP6021ACB is a high-performance, three-phase synchronous buck controller designed for powering complex digital loads such as microprocessors and DSPs. It integrates three high-side and three low-side drivers to control external N-channel MOSFETs in a synchronous rectification topology. The device supports input voltages up to 36V and provides precise output voltage regulation with fast transient response capabilities. Key operational features include programmable switching frequency, soft-start functionality, and comprehensive protection mechanisms including over-current, over-temperature, and under-voltage lockout.

Feature Summary

• Three-phase synchronous buck architecture for efficient power delivery
• Integrated high-side and low-side gate drivers for external MOSFET control
• Fast transient response loop compensation for stable operation under dynamic loads
• Comprehensive protection suite including thermal shutdown and current limiting

Applications

• Central processing unit (CPU) core voltage regulation
• Digital signal processor (DSP) power supplies
• Field-programmable gate array (FPGA) power management
• High-density point-of-load conversion modules

Procurement Notes

Verify the specific suffix code against the manufacturer's official datasheet to confirm package type and temperature range. Confirm RoHS compliance status and lead times through authorized distributors. Ensure compatibility with existing PCB footprints and thermal design requirements before procurement.

Selection Notes

Select this component for applications requiring multi-phase power distribution with high efficiency and tight voltage regulation. Evaluate the required phase count based on total load current and thermal constraints. Ensure the external MOSFET selection matches the driver voltage levels and switching speed capabilities of the controller.

Part Context

The HIP6021 series belongs to Intersil's family of high-current synchronous buck controllers. Intersil was acquired by Renesas Electronics, and these legacy parts are now supported under the Renesas portfolio. This specific model represents a mature solution for multi-phase power management in computing and communication infrastructure.

Replacement Considerations

Consult Renesas Electronics product legacy documents for officially confirmed substitute part numbers. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Generic equivalents may not match the specific transient response characteristics or protection thresholds.