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USB Power Delivery Adapter, Secondary Side Control, USB 3.0, Type C, 3.3 V to 21.5 V, QFN-EP-24


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Product Overview

CYPAS111A1-24LQXQ is a EZ-PD™ PAG1S integrated secondary-side synchronous flyback controller, synchronous rectifier (SR) controller, and charging port controller. EZ-PD™ PAG1S is targeted towards power adapters, it fits well into high-efficiency AC-DC flyback designs for USB power delivery, Qualcomm quick charge, and other standard charging protocols. EZ-PD™ PAG1S also supports USB power delivery (USB PD) programmable power supply (PPS) mode. It supports quasi-resonant (QR) or critical conduction mode (CrCM), valley switching, discontinuous conduction mode (DCM), and burst mode for light load operations. Configurable overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), short circuit protection (SCP), and over-temperature protection (OTP). Typical applications are USB PD 3.0 PPS power adapter, quick charge 4.0 power adapter, power adapters supporting both USB PD and legacy charging.
  • Integrates secondary-side regulation, synchronous rectifier (SR), and charging port controller
  • Optimized efficiency across line and load range, meeting CoC Tier 2 and DoE level 6 requirements
  • No load power consumption of 30mW with EZ-PD™ PAG1P designs
  • Switching frequency range of 20KHz to 150KHz
  • Supports feed-forward line sensing for faster transient line response
  • Supports constant voltage (CV) and constant current (CC) modes of operation
  • USB PD 3.0 compliant with PPS (USB-IF certified, TID:1475)
  • Protects against accidental VBUS to CC short; ESD protection on CC, VBUS, and DP/DM lines
  • 24-pin QFN package
  • Extended industrial temperature range from -40°C to +105°C

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