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iW1791 - AC/DC Primary-Side Rapid Charge PWM Controller

Description

The iW1791 is a high performance AC/DC power supply controller for rapid charge applications that supports high resolution voltage/current control.

It uses Dialog’s PrimAccurateTM technology to minimize external component count and simplify system design.

Features

  • The iW1791 can achieve tight multi-level constant voltage and multi-level constant current regulation without a traditional secondary feedback circuit. It also eliminates the need for loop compensation components while maintaining stability over all operating conditions. The iW1791 is optimized to work with Dialog’s secondary-side controllers that use the proprietary digital link (DLNK) technology. The iW1791 and DLNK-based secondary-side controller chipset together can implement var.

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Full PDF Text Transcription

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iW1791 AC/DC Primary-Side Rapid ChargeTM PWM Controller with High Resolution Voltage/Current Control 1 Description The iW1791 is a high performance AC/DC power supply controller for rapid charge applications that supports high resolution voltage/current control. It uses Dialog’s PrimAccurateTM technology to minimize external component count and simplify system design. The device operates in quasi-resonant mode to provide high efficiency and it also provides a number of key built-in protection features. The iW1791 can achieve tight multi-level constant voltage and multi-level constant current regulation without a traditional secondary feedback circuit. It also eliminates the need for loop compensation components while maintaining stability over all operating conditions.
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