ISL28023FR12Z-T7A

Power Supply Controllers, Monitors Overview

The ISL28023FR12Z-T7A 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, powered by a 3V to 5.5V supply. It includes an internal temperature sensor with ±1.0°C accuracy, a 16-bit ∆∑ADC, and an 8-bit voltage output DAC for margining. Operating at -40°C to +125°C, it utilizes a 24-pin QFN (4x4mm) package.

Power Supply Controllers, Monitors Feature Summary

• Provides high-precision bidirectional current sensing and voltage monitoring with strict error margins.
• Integrates a 16-bit sigma-delta ADC and programmable averaging modes for accurate data conversion.
• Supports DC/DC converter output voltage margining via an integrated 8-bit voltage DAC.
• Features fast fault monitoring for overvoltage, undervoltage, and overcurrent conditions.

Power Supply Controllers, Monitors Applications

• Efficient power trees for AMD FPGA or RFSoC in space-constrained applications
• 48V brushless DC (BLDC) motor position control systems
• Data processing server power management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'T7A' against official Renesas documentation to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with I2C/SMBus/PMBus interfaces operating at 1.2V minimum. Confirm the 24-QFN package dimensions match the design footprint requirements before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when precise digital monitoring of high-side or low-side currents is required alongside voltage supervision. The integrated internal regulator allows handling wide common-mode voltages without external biasing complexity. Consider the 24-pin QFN form factor for compact designs requiring industrial temperature range operation and serial interface compatibility.

Power Supply Controllers, Monitors Part Context

This part belongs to the ISL28023 series of digital power monitors designed for telecom, automotive, and industrial sectors. It replaces analog monitoring solutions by providing calculated power results directly through a serial interface. The series supports various packaging options including QFN and TDFN to suit different board space constraints.

Power Supply Controllers, Monitors Replacement Considerations

Consult official Renesas substitution guides for verified equivalents. Generic replacements may lack the specific 0.05% gain error accuracy or PMBus compatibility required for seamless integration into existing digital power architectures.

Power Supply Controllers, Monitors FAQ

Does the ISL28023 support both high-side and low-side current detection?

Yes, the device supports bidirectional current detection for both high-side and low-side (RTN) configurations.

What is the resolution of the internal ADC?

The device incorporates a 16-bit delta-sigma ADC for raw resolution of voltage and current measurements.