IW1602-10B

AC DC Converters, Offline Switchers Overview

The iW1602-10B is a high-performance digital offline AC/DC power supply controller designed for peak current mode PWM flyback applications. It utilizes Renesas' PrimAccurate primary-side regulation technology to eliminate secondary-side feedback components, enabling compact designs for up to 30W travel adapters. The device features user-configurable light-load operation modes to optimize dynamic load response and achieve no-load power consumption of less than 30mW at 230VAC. It operates in a quasi-resonant Green-Mode to enhance efficiency across varying load conditions.

AC DC Converters, Offline Switchers Feature Summary

• Implements PrimAccurate primary-side control technology to remove the need for optocouplers and error amplifiers.
• Supports user-configurable light-load operation modes for optimized dynamic load response and minimal no-load power consumption.
• Utilizes digital control technology to build peak current mode PWM flyback power supplies with quasi-resonant switching.

AC DC Converters, Offline Switchers Applications

• Highly efficient 30W travel adapters
• Offline AC/DC power supplies
• Flyback converter designs

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized Renesas distributors or Mouser Electronics. Confirm package integrity and moisture sensitivity level (MSL 1) upon receipt. Check for specific ordering suffixes that may indicate tape and reel packaging. Ensure compliance with RoHS standards as documented in the official datasheet before integration into final assemblies.

AC DC Converters, Offline Switchers Selection Notes

Select this controller for applications requiring high efficiency in low-power AC/DC conversion without secondary-side regulation. The digital architecture simplifies design by removing isolation feedback components. Consider the 30W output limit when defining power requirements. The configurable light-load modes offer flexibility for meeting strict energy efficiency regulations in consumer electronics.

AC DC Converters, Offline Switchers Part Context

The iW1602 belongs to the iW1602 series of digital AC/DC controllers from Renesas Electronics Corporation. This family focuses on integrating advanced digital signal processing with power management to reduce system complexity. The -10B suffix typically denotes specific manufacturing or packaging variations within the standard iW1602 product line.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB layouts and control loops if considering alternative digital flyback controllers from other manufacturers.

AC DC Converters, Offline Switchers FAQ

How does the iW1602-10B handle voltage regulation?

It uses PrimAccurate primary-side control technology to regulate output voltage directly from the primary side, eliminating the need for optocouplers or TL431 references.

What is the maximum no-load power consumption?

The device achieves no-load power consumption of less than 30mW at 230VAC input through its configurable light-load operation modes.