ISL6123IR-T

Power Supply Controllers, Monitors Overview

The ISL6123IR-T is a power sequence controller manufactured by Renesas Electronics Corporation. It functions as a multi-channel power sequencer designed to manage the startup and shutdown order of multiple voltage rails in complex electronic systems. The device operates within a supply voltage range of 1.5V to 5.5V and draws a typical supply current of 200 µA. It is housed in a 24-VFQFN package with exposed pad, measuring 4x4 mm, suitable for surface mount installation. The component supports an operating temperature range from -40°C to +85°C.

Power Supply Controllers, Monitors Feature Summary

• Provides precise timing control for sequential power-up and power-down events across multiple channels
• Integrates watchdog timer functionality to monitor system health and trigger resets if necessary
• Features adjustable delay times between output stages to accommodate varying ramp rates of different power supplies

Power Supply Controllers, Monitors Applications

• Power sequencing for server motherboards and network infrastructure equipment
• Multi-rail power management in industrial control systems
• Complex embedded systems requiring strict voltage rail initialization order

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance requirements as the specific part may not meet current environmental standards. Check for available replacement alternatives from the manufacturer's portfolio that maintain pin compatibility and functional equivalence for ongoing production designs.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems requiring reliable multi-stage power sequencing with integrated fault protection. Consider the 24-pin QFN footprint constraints and thermal dissipation requirements during PCB layout. Ensure the input voltage range aligns with the primary supply rail available in the target application environment.

Power Supply Controllers, Monitors Part Context

This part belongs to the ISL6123/ISL6126 family of power sequence controllers. These devices are engineered for applications demanding robust power management without complex microcontroller intervention. The family offers scalable channel counts and configurable timing parameters to suit diverse system architectures.

Power Supply Controllers, Monitors Replacement Considerations

Consult Renesas official documentation for direct cross-reference parts. Verify electrical specifications and pinout compatibility before substitution. The ISL6126IR-T is a related variant within the same product family offering similar functionality.