SN65DP159RGZ video interface IC chip QFN-48

Description

Overview

The SN65DP159RGZ from Texas Instruments is a high-speed DisplayPort Dual-Mode (DP++) to HDMI retimer designed for digital video signal conditioning and conversion at the physical-layer interface.

It supports data rates up to 6 Gbps per lane, enabling 4K × 2K at 60 Hz video with HDMI 2.0-class electrical performance. The device integrates adaptive equalization, clock-data recovery, TMDS level translation, and programmable transmitter controls to compensate for signal loss and jitter in high-speed video interconnects.

Key Features

• DisplayPort Dual-Mode (DP++) to HDMI retimer
• Supports DisplayPort Dual-Mode 1.1
• HDMI 2.0/2.0b TMDS output
• Up to 6 Gbps per data lane
• Supports 4K × 2K @ 60 Hz
• Integrated Clock and Data Recovery (CDR)
• Adaptive receiver equalization
• Programmable fixed equalization up to 16.5 dB
• Programmable transmit swing and pre-emphasis
• Programmable output slew rate
• Integrated TMDS level translator
• Automatic redriver/retimer operation
• I²C or pin-strap configuration
• Supports Type-2 I²C-over-AUX to DDC bridge
• Active I²C buffer
• Main-lane polarity/input swapping
• Low-power shutdown mode
• 48-pin VQFN package
• 7 × 7 mm package size

Technical Specifications

TI lists the SN65DP159RGZR as an active 48-pin VQFN device with an industrial operating temperature range of −40°C to +85°C.

High-Speed Video Signal Conditioning

The SN65DP159 receives high-speed AC-coupled differential video signals and uses receiver equalization and CDR to compensate for losses and jitter introduced by PCB traces and cables.

At lower data rates below approximately 1 Gbps, the device can automatically operate as a redriver. At higher data rates it operates as a retimer, with the CDR restoring the timing of the incoming signal.

Equalization

The receiver supports both:

• Adaptive equalization
• Programmable fixed equalization

The programmable fixed equalization range extends up to 16.5 dB, allowing the device to compensate for different levels of channel loss.

HDMI Output

The device provides HDMI 2.0b-compatible TMDS output and supports data rates up to 6 Gbps per lane, sufficient for applications such as 4K × 2K at 60 Hz with 8 bits per color.

Power & Programming

The SN65DP159 uses separate supply rails for its internal circuitry:

• 1.1 V supply
• 3.3 V supply

Configuration can be performed through:

• I²C
• Hardware pin straps

The I²C interface allows control of parameters such as equalization, transmit settings, and operating modes.

The device is not a microcontroller or video processor. It performs high-speed physical-layer signal conditioning and retiming rather than video decoding, scaling, or image processing.

Applications

• DisplayPort-to-HDMI adapters
• USB-C/DisplayPort video adapters
• Laptop docking stations
• HDMI video output interfaces
• 4K monitors and displays
• Digital projectors
• Graphics adapters
• PC and notebook accessories
• HDMI active cables
• High-speed video signal conditioning
• Display interface development

What’s Included

• 1 × Texas Instruments SN65DP159RGZ DisplayPort-to-HDMI Retimer IC
• Package: VQFN-48
• Surface-mount component

Notes

• The SN65DP159RGZ is the 48-pin VQFN version with the full DisplayPort Dual-Mode feature set.
• The RGZ package is 7 × 7 mm with 0.5 mm pitch.
• SN65DP159 is rated for −40°C to +85°C. The related SN75DP159 version is rated for 0°C to +85°C.
• The device is intended for high-speed controlled-impedance PCB layouts. Differential TMDS/DP routing should follow TI’s layout recommendations.
• This IC is a physical-layer retimer, not a DisplayPort/HDMI protocol converter, scaler, or video decoder.
• No PCB, connector, cable, or programming tool is included with the IC.