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  • 型 号 :

    CX2950AC

  • 保护功能 :

    OVP/UVLO/OCP/OTP etc

  • 内置MOS Rds(on) :

    A+C All protocol IC

  • 支持协议 :

    All protocols except the VIVO Flash

  • 典型应用 :

    Wall charger, car charger, Power strips

  • 封 装 :

    QFN4×4‑20L
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Overview


CX2950AC is a dual‑port fast‑charging protocol chip for USB Type‑A and USB Type‑C. It supports mainstream fast‑charging protocols including BC1.2 DCP, Apple 2.4A, QC2.0/QC3.0 Class A/Class B, AFC, FCP, PE1.1/2.0, PD2.0/PD3.1 SPR and PPS, and features FB feedback.

It integrates CV/CC control loops, dual‑port logical fast‑charging protocol controllers for Type‑A and Type‑C, as well as voltage, current and temperature protection functions.

Together with an AC‑DC or DC‑DC converter and a small number of peripheral components, CX2950AC can implement a complete multi‑port fast‑charging solution.

Features

  • Power Management

    • Input voltage range: 3 V ~ 22 V

    • FB feedback supported

    • Integrated CV and CC control loops

    • Integrated fast discharge for AVBUS, CVBUS and VIN

    • Line impedance compensation supported

  • USB Type‑A Port

    • BC1.2 DCP mode supported

    • Apple 2.4A mode detection

    • QC3.0 / QC2.0 Class A / B supported

    • AFC supported

    • FCP supported

    • PE1.1 / PE2.0 supported

  • USB Type‑C Port

    • Built‑in USB Type‑C port logic

    • DFP / Source role supported

    • VCONN and E‑Marker functions supported

    • PD2.0 / PD3.1 SPR / PPS supported

  • Protection Mechanisms

    • Input undervoltage protection

    • Output over‑voltage & under‑voltage protection

    • Output over‑current protection

    • Chip over‑temperature protection

  • System Control

    • NMOS power pass switch supported

    • Integrated internal discharge circuit

    • I²C interface supported

    • Flexible configuration for power and voltage levels

  • Package

    • QFN4×4‑20L

  • ESD

    • 2 kV ESD (HBM)

Applications

  • Car chargers

  • Power adapters

  • Power strips


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