Charger Interface Physical Layer IC 8-Pin SOIC

CHY103 is a USB mobile device charger interface IC which implements the Qualcomm’s Quick Charge 3.0 specification for adaptive voltage battery charging. It incorporates all necessary functions to add Quick Charge 3.0 capability to circuits incorporating switcher ICs such as InnoSwitch™, Tiny Switch™, TOP Switch™ and other charger solutions employing traditional secondary-side feedback schemes.CHY103 supports the full output voltage range of Quick Charge 3.0, including 200 mV micro-stepped voltage levels from 3.6 V to 12 V (Class A) and up to 20 V (Class B). CHY103 provides a suite of system level protection features protecting the power supply and connected Powered Device (PD) from excessive output voltages, secondary-side thermal overload, and faulty power delivery while adapter is unplugged. Additionally it allows the PD to remotely shutdown the power supply through USB data lines. The shutdown type can be configured as either hysteretic or latching.CHY103 automatically detects whether a connected PD is Quick Charge 3.0 or Quick Charge 2.0 capable before enabling output voltage adjustment. If a PD that is not compliant to Quick Charge 2.0 or 3.0 is detected, the CHY103 disables output voltage adjustment to ensure safe operation with legacy 5 V only USB PDs.

• Supports Quick Charge 3.0 Class A and Class B specification
• Adaptive output overvoltage protection (AOVP)
• Secondary over-temperature protection (SOTP)
• Output soft short-circuit protection (OSSP)
• Remote shutdown protection (RESP)
  • Enables Powered Device to shutdown adapter
• Selectable hysteretic or latching shutdown
• Power consumption below 1 mW at 5 V output
• Supports InnoSwitch™, Tiny Switch™, and TOP Switch™