USB PD and Other Fast Charging Protocol IC - CH234


Overview

CH234 integrates multiple protocols such as USB PD, supports PD3.0/2.0, BC1.2 and other fast charging protocols, supports isolated AC/DC constant voltage or current-limited high-voltage power management, and supports DC/DC power management. CH234 features high integration and streamlined peripherals. Integrated VBUS detection and discharge function. CH234 provides over-temperature, over-voltage, and over-current protection, etc. Can be widely used in various occasions such as AC power adapter, car charger, UPS, power bank and so on.

Features

  • 5V to 12V input voltage.
  • Supports PD3.0/2.0, BC1.2 and other fast charging protocols.
  • Supports USB Type-C PD, supports positive and negative insertion detection and automatic switching.
  • Supports isolated AC/DC constant-voltage or current-limited high voltage power management, supports DC/DC power management.
  • High integration, streamlined peripherals, low cost.
  • Built-in over-current protection module OCP, over-voltage protection module OVP, over-temperature protection module OTP.
  • PD certification, TID: 2288.
  • Package: ESSOP10.

Applications

  • AC power adapter
  • Car charger
  • UPS
  • Power bank