ISL28023FR12Z

Power Supply Controllers, Monitors Overview

The ISL28023FR12Z is a precision digital power monitor manufactured by Renesas Electronics Corporation. It features bidirectional current detection and voltage monitoring with gain errors below 0.05%. The device supports a common mode input range of 0V to 60V and operates on a supply voltage of 3V to 5.5V. It includes an internal temperature sensor with +1.0°C accuracy, a 16-bit ∆∑ADC, and an 8-bit voltage output DAC for margin adjustment. The component utilizes an I2C/SMBus/PMBus interface compatible with 1.2V power supplies and consumes only 700 µA of supply current. It is housed in a 24-QFN (4x4) package and functions within a temperature range of -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Provides high-precision bidirectional current sensing and voltage monitoring with strict error margins.
• Supports wide common mode input ranges from 0V to 60V for versatile system integration.
• Includes integrated 8-bit voltage DAC for DC/DC converter output margin adjustment.
• Features low power consumption suitable for space-constrained industrial applications.

Power Supply Controllers, Monitors Applications

• AMD FPGA RFSoC power tree monitoring
• 48V brushless DC motor position control systems
• Data processing server power management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix FR12Z corresponds to the tube packaging configuration when sourcing components. Confirm that the ordering information matches the exact pinout and thermal pad requirements for the 24-QFN footprint. Ensure compatibility with the target PCB layout regarding the bare pad soldering process. Cross-reference the manufacturing date code to guarantee compliance with current RoHS standards and material declarations required for the intended deployment environment.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring precise digital feedback for power rails without external microcontroller overhead. The integrated DAC allows direct regulation of converter outputs via serial commands. Consider the 700 µA supply current impact on total system power budgets. Verify that the 24-VFQFN package dimensions fit within the mechanical constraints of the enclosure. Ensure the host controller supports the necessary I2C or PMBus protocols for communication.

Power Supply Controllers, Monitors Part Context

This part belongs to the ISL28023 series of digital power monitors designed for high-accuracy measurement tasks. It complements other Renesas power management solutions by providing detailed telemetry data. The series targets applications demanding reliable monitoring in harsh environments. It serves as a bridge between analog power stages and digital control logic.

Power Supply Controllers, Monitors Replacement Considerations

Check for ISL28023 variants with different packaging options such as tape and reel if automated assembly is required. Verify functional equivalence with other Renesas digital current sensors offering similar accuracy specifications.