L6788A

Special Purpose Regulators Overview

The L6788A is a three-phase step-down controller with integrated high-current drivers, designed for next-generation GPU power management. It operates in a compact VPQFN 6x6 mm package with an exposed pad. The device supports serial and parallel VID for output voltage selection up to 1.3500 V, managing D-VID with ±2% accuracy. It features automatic startup phase procedures, phases self-detection, and a 5V LDO regulator. Advanced thermal management ensures robust operation, while fast protection mechanisms guard against load overcurrent and under/over voltage conditions.

Special Purpose Regulators Feature Summary

• Integrates one-to-three phases step-down control with high-current drivers in a compact package
• Supports serial and parallel VID for precise output voltage setting with D-VID management
• Includes automatic startup phase procedure and phases self-detection for safe operation
• Features advanced IC and VRM thermal management with fast protection against overcurrent and voltage faults

Special Purpose Regulators Applications

• Next-generation GPU power management systems
• Multi-phase step-down voltage regulation
• High-density power delivery networks requiring compact form factors

Special Purpose Regulators Procurement Notes

Verify component status as the L6788A is listed as obsolete. Confirm availability through authorized distributors or secondary market channels. Ensure compatibility with existing design infrastructure before procurement. Check for end-of-life notifications from STMicroelectronics. Validate that alternative components meet all electrical and mechanical specifications required for the target application.

Special Purpose Regulators Selection Notes

Select this controller when designing multi-phase buck converters for GPUs requiring integrated drivers and compact packaging. Consider its support for serial and parallel VID interfaces for flexible voltage configuration. Evaluate the need for automatic phase detection and advanced thermal management features. Assess compatibility with existing power management protocols and monitoring requirements.

Special Purpose Regulators Part Context

The L6788A belongs to STMicroelectronics' line of embedded processors and controllers, specifically targeting high-performance computing applications. It integrates power management functionality within a single chip, reducing system complexity. This component is part of the broader portfolio aimed at optimizing power delivery for demanding electronic devices.

Special Purpose Regulators Replacement Considerations

As the L6788A is marked obsolete, identify equivalent three-phase controllers with integrated drivers. Verify pinout compatibility and electrical parameters such as voltage range and current capabilities. Consult STMicroelectronics documentation for recommended replacement parts or updated series offerings.