Overview

The iW765 integrates a USB power delivery (USB PD) 3.1 interface controller with a synchronous rectifier (SR) controller and USB Type-C® disconnect FETs into one device for low total BOM cost USB PD chargers and travel adapters up to 100W. The smaller package size makes low cost, single-sided PCB designs possible, while maintaining the high USB PD adapter performance.

The device pairs with the iW9860 primary-side controller to create Zero Standby Power 100W USB PD power supplies or the iW9870 primary-side controller for 100W USB PD Zero Standby Power GaN power supplies.

The iW765 supports adaptive SR control and drive for optimal efficiency, along with intelligent low power mode to enable very low no-load power consumption when paired with the iW9860 or iW9870 products. Fully digital voltage compensation eliminates the need for external passive components for loop compensation.

iW765 + iW9860 Typical Applications Diagram
iW765 + iW9870 Typical Applications Diagram
iW765 Functional Block Diagram
iW765 + iW9860 Typical Applications Diagram
iW765 + iW9870 Typical Applications Diagram
iW765 Functional Block Diagram
  • Fully integrated secondary-side controller for Zero Standby Power USB Power Delivery 3.1 with PPS to 100W
    • Protocol interface
    • Secondary-side regulation
    • Integrated synchronous rectifier controller
    • USB Type-C® NFET driver for disconnect function
  • Supports USB PD 3.1 w/PPS and other RapidCharge protocols
  • TDFN-14 package enables single-sided PCB designs for lower cost power supplies
  • Intelligent, eco-friendly low standby power
    • Zero Standby Power (< 5mW) when paired with iW9860 or iW9870
  • High resolution control over the output voltage and current
    • 3.3V to 21V in 20mV steps
    • 50mA output current steps
  • Built-in digital loop compensation reduces external component count
  • Programmable fast discharge to 5V at adapter unplug or voltage request
  • Supports both DCM and CCM operation
  • Rich protection for:
    • Over-voltage (OVP)
    • Over-current (OCP)
    • User-configurable over-temperature
    • USB PD-based power derating
  • Hardwired state-machine solution prevents hacking of fast chargers. Learn more

Applications

  • Low-cost, ultra-small, light-weight Zero Standby Power RapidCharge AC/DC power supplies and adapters for smartphones, tablets, in-wall power outlets and other portable devices using USB PD

Documentation

= Featured Documentation
Type Title Date
Product Brief
iW765 Product Summary
PDF 551 KB
Brochure
Power Products Brochure
PDF 8.73 MB
Brochure
Industrial Power Management Brochure
PDF 5.49 MB 日本語
White Paper
Renesas' Zero Standby Power Applications
PDF 854 KB 日本語 , 简体中文
Datasheet
iW765 Datasheet
Log in to Download PDF 945 KB
5 items

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

Explore ECAD Models
Diagram of ECAD Models

Product Options

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    iW765
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    		TDFN-14L Tape & Reel
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    RapidCharge Controllers Prevent Fast Charger Hacking
    Video List
    RapidCharge Controllers Prevent Fast Charger Hacking

    News & Blog Posts

    Blog Post Jan 27, 2022