The ISL99392R5935 and ISL99392BR5935 are 90A Smart Power Stages (SPS) that are compatible with Renesas ISL68/69xxx Digital Multiphase (DMP) controllers and phase doublers (ISL6617A), respectively. The ISL99392R5935 and ISL99392BR5935 offer best-in-class current sense accuracy over line, load, and temperature. When combined with a Renesas digital PWM controller (or doubler), these devices enable precision system level power management and best-in-class transient response for load-line based regulators. In addition to the common master TOUT signal to the DMP, the individual phase Temperature Reporting (TREF) supports thermal management and N+1 redundancy system management. The ISL99392R5935 and ISL99392BR5935 simplify design by eliminating typical DCR sensing networks and associated thermal compensation components. The thermally enhanced 5x6 package enables high density designs.

The ISL99392R5935 features the Renesas tri-state PWM input that works with the Renesas ISL682xx/ISL692xx digital multiphase PWM controllers to provide a robust solution in event of abnormal operating conditions. The ISL99392R5935 and ISL99392BR5935 also improve system performance and reliability with integrated fault protection, including HFET overcurrent, HFET shorted, Smart Reverse Overcurrent (SROCP), Over-Temperature (OTP), and VCC Undervoltage Lockout (UVLO).


  • VIN input range: +3.0V to +16V
  • Supports 90A DC current
  • 3.3V compatible tri-state PWM input (ISL99392R5935)
  • 5V compatible tri-state PWM input (ISL99392BR5935)
  • ±3% accuracy continuous signal for current monitor
  • 8mV/°C master temperature monitor, TOUT
  • 4mV/°C individual temperature monitor, TREF
  • Comprehensive fault protection for high system reliability
    • High-side FET short and overcurrent protection
    • Smart Reverse Overcurrent Protection (SROCP)
    • Over-Temperature Protection (OTP)
    • VCC Undervoltage Lockout (UVLO)
  • Fault reporting outputs
  • Up to 1.25MHz switching frequency
  • RoHS compliant, 5 x 6 PQFN


  • Accelerators (GPU, ASIC, Artificial Intelligence)
  • Core, graphic, and memory VRs for microprocessors
  • High density VR for server, networking, and cloud computing
  • POL DC/DC converters and video gaming consoles

Product Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active PQFN Reel 3000
Active PQFN Reel 3000


Title language Type Format File Size Date
Datasheets & Errata
ISL99392R5935, ISL99392BR5935 Short-Form Datasheet Short Form Datasheet PDF 144 KB
User Guides & Manuals
PMBus Interface Install Guide - Win7 x86 and x64 Manual PDF 693 KB
Application Notes & White Papers
AN1681: Grounding Techniques Application Note PDF 509 KB
AN1684: Nonideality of Ground Application Note PDF 397 KB
PMBus Conversion Software Tool Library ZIP 54.93 MB
ZLHLD Software v2.9 Library ZIP 119.19 MB
CompZL Software v1.5.1 Library ZIP 59.25 MB
PowerPilot Software GUI Library ZIP 435 KB
USB Drivers for the ZLUSBEVAL1Z (Windows 7) Library ZIP 1.75 MB
USB Drivers for the ZLUSBEVAL1Z (Windows XP/Vista) Library ZIP 166 KB