The ISL28023 is a bidirectional high-side and low-side digital current sense and voltage monitor with a serial interface. The device monitors power supply current, voltage and provides the digital results along with calculated power. The ISL28023 provides tight accuracy of 0. 05% for both voltage and current monitoring. The auxiliary input provides an additional power monitor function. The VCC power can either be externally supplied or internally regulated, which allows the ISL28023 to handle a common-mode input voltage range from 0V to 60V. The wide range permits the device to handle telecom, automotive and industrial applications with minimal external circuitry. An 8-bit voltage DAC enables a DC/DC converter output voltage margining. Fault indication includes a Bus Voltage window and overcurrent fast fault logic indication. The ISL28023 serial interface is PMBus compatible and operates down to 1. 2V voltage. It draws an average current of just 800µA and is available in the space saving 24 Ld QFN 4mmx4mm package. The part operates across the full industrial temperature range from -40°C to +125°C.


  • Bus voltage sense range: 0V to 60V
  • Voltage gain error: 0.05%
  • Current gain error: 0.05%
  • Internal temperature sensor accuracy: +1.0°C
  • High or low (RTN) side sensing
  • Bidirectional current sensing
  • Auxiliary low voltage channel
  • ∆∑ADC, 16-bit native resolution
  • Programmable averaging modes
  • Internal 3.3V regulator
  • Internal temperature sense
  • Overvoltage/undervoltage and current fault monitoring with 500ns detection delay
  • 8-bit voltage output DAC
  • I2C/SMBus/PMBus interface that handles 1.2V supply


  • Data processing servers
  • DC power distribution
  • Telecom equipment
  • Portable communication equipment
  • DC/DC, AC/DC converters
  • Many I2C DAC and ADC with alert applications


Title language Type Format File Size Date
star ISL28023 Datasheet Datasheet PDF 3.67 MB
ISL28023EVKIT1Z User Guide Guide PDF 1.52 MB
ISLUSBEVAL1Z User's Manual Rev.1.00 Manual - Development Tools PDF 257 KB
AN1993: Voltage Feedback versus Current Feedback Operational Amplifiers Application Note PDF 564 KB
AN1955: Design Ideas for Intersil Digital Power Monitors Application Note PDF 1.32 MB
AN1694: The Four Basic Building Blocks of an Op Amp Application Note PDF 357 KB
Sensing Elements for Current Measurements 简体中文 White Paper PDF 413 KB
PCN21016 - Correction of Moisture Sensitivity Level and Alternate bond wire material of the listed Renesas DFN, QFN, TDFN, TQFN packaged products Product Change Notice PDF 202 KB
PCN20029A - Alternate bond wire material and assembly facility of the listed Renesas QFN packaged products Product Change Notice PDF 326 KB
Analog ICs Brochure 日本語 Brochure PDF 4.20 MB
TB514: Operational Amplifier Basics Other PDF 519 KB
PIN19028 - Q3 Cy 19 Price Increase Notice Price Increase Notice PDF 208 KB
ISL28023FR12Z 12v DPM iSim:PE Model Schematic SXSCH 105 KB
ISL28023FR60Z 60v DPM iSim:PE Model Schematic SXSCH 105 KB


Title language Type Format File Size Date
ISL28023EVKIT1Z, ISL28025EVKIT1Z Evaluation Kit Software Library EXE 26.24 MB
ISL2802x DPM Open Source Device Code Library ZIP 7.43 MB
Production Configuration Utility v5.4.139 Software & Tools - Other ZIP 120.25 MB
iSim:PE Software v8.40 Software & Tools - Software EXE 157.43 MB
PowerNavigator™ Software v5.4.139 Software & Tools - Software ZIP 96.49 MB
ISL28023EVKIT1Z Design Files PCB Design Files ZIP 1.62 MB

select_allSoftware & Tool Pages

Title Type Description Company
iSim:PE Offline Simulation Tool Simulator iSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs. Renesas
PowerNavigator Software Software Package Renesas' PowerNavigator™ software allows simple configuration and monitoring of multiple Digital-DC devices using a PC with a USB interface. Renesas

memoryBoards & Kits

Part Number Title Type Company
ISL28023EVKIT1Z Precision Digital Power Monitor Eval Kit Evaluation Renesas