AG9421: DisplayPort 1.4 over USB-C to HDMI 2.0/VGA converter with PD 3.0

Jun 14, 2022


AG9421 series provides a single-chip solution of USB Type-C (DisplayPort Alternate Mode) to HDMI and VGA converter with Power Delivery. AG9421 series supports dual USB Type-C receptacles with on-chip Rp/Rd resistors and is compliant with USB Power Delivery Specification 3.0. The integrated 10-bit ADC brings Fast Role Swap (FRS) feature of USB PD 3.0 and over-voltage protection. 

The DisplayPort receiver is compliant with DisplayPort 1.4 specification and supports up to 4096x2160/60Hz resolution with configurable 1, 2 or 4 lanes configuration at 8.1(HBR3), 5.4(HBR2), 2,7(HBR), and 1.62(RBR) per lane. The HDMI transmitter is compliant with HDMI 2.0 and supports up to 4096x2160/60Hz resolution. Copy protection is provided by encryption with HDCP 1.4 and factory pre-loaded HDCP key. The VGA (D-sub) interface supports up to 1920x1200/60Hz resolution.

AG9421 series provides I2S interface and audio DAC for independent stereo sound.

Key Features

  • Up to 4 sets of Configuration Channel for dual USB Type-C receptacles
  • DisplayPort™ receiver
    • VESA DisplayPort™ 1.4 compliance
    • 1, 2 or 4 lanes configuration at 8.1(HBR3),5.4(HBR2), 2,7(HBR), and 1.62(RBR) Gbps per lane
    • Up to 4096x2160/60Hz resolution
    • Down spread spectrum clocking
    • Swap configuration of Main Links
  • HDMI™ transmitter
    • HDMI 2.0 compliance
    • Up to 4096x2160p/60Hz resolution
    • Linear PCM with sample rate of 32 kHz, 44.1 kHz and 48 kHz
  • Content Protection
    • HDCP 1.4 compliance with pre-loaded key
  • VGA (D-sub) interface
    • VESA VSIS v1r2 compliance
    • Triple 8-bit DACs
    • Up to 1920x1200/60Hz resolution
  • Separated sound
    • I2S interface
    • Embeddedstereo audio DAC
  • Operating characteristic
    • 1.2V core power and 3.3V I/O power
    • Temperature range: 0°C to 70°C
    • ESD: HBM 4.0 kV
  • QFN-88L 10x10x0.85 mm3 package


  • Laptop accessory

如有任何問題,歡迎您隨時與我們聯繫,我們將竭誠為您服務。 聯絡我們