Infineon Technologies TDA19988BHN/C1,551

Overview

TDA19988BHN/C1 from NXP Semiconductors is an HDMI 1.4a transmitter IC with no HDCP support, designed for mobile and STB video output applications. It accepts 3×8-bit RGB/YCbCr video at up to 165 MHz pixel rate, processes S/PDIF or I²S audio up to 192 kHz, supports xvYCC color space, and operates in ultra-low-power standby mode (18 µW typical). It targets portable multimedia players, digital still/video cameras, and tablet PCs where size and power efficiency are critical.

For engineers reviewing the TDA19988BHN/C1 datasheet, TDA19988BHN/C1 pinout, TDA19988BHN/C1 application, or TDA19988BHN/C1 equivalent, key selection criteria include TMDS output capability (TX0+/−, TX1+/−, TX2+/−, TXC+/−), CEC bus interface, I²C slave/master DDC control, programmable input formatter for ITU656/4:2:2/4:4:4 formats, and HVQFN64 package compatibility with thermal constraints.

Technical Context

The TDA19988BHN/C1 implements a full HDMI 1.4a physical layer with four differential TMDS channels (three data + one clock), integrated CEC transceiver, and dual-mode I²C interface supporting both DDC-bus master (for EDID read) and slave (for device configuration). Its video processing pipeline includes a programmable input formatter and color space converter (RGB ↔ YCbCr), enabling direct interface with diverse image sensors and SoCs.

Power management is hardware- and register-controlled: Standby mode draws 18 µW, while active 720p@24 Hz operation consumes 55 mW. All analog supplies require 1.8 V (VDDA(TMDS), VDDA(PLL), VDDA(1V8)), and digital I/Os are LV-CMOS 1.8 V compatible with 3.3 V tolerance - critical for mixed-voltage system integration.

Key Specifications

Pinout & Package

Package: HVQFN64 (SOT804-4), 9 mm × 9 mm × 0.85 mm, thermally enhanced, leadless quad flat package with exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar HDMI transmitter applications.

Compared with Si2920-AE, TDA19988BHN/C1 delivers broader video format support (ITU656, 4:2:2), integrated CEC, and HDMI 1.4a features - making it superior for portable and STB applications requiring interoperability and feature richness. Versus TDA19989BHN/C1, it trades 4K capability for proven stability and lower cost in 1080p-class designs.

Availability

TDA19988BHN/C1 is available at Aetrix Electronics and suitable for digital still cameras, portable multimedia players, ultra-mobile PCs, and set-top boxes requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for TDA19988BHN/C1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and consumer electronics.

The TDA19988 belongs to NXP's HDMI Transmitter product line, engineered specifically for low-power, high-integration video interface applications in mobile and home entertainment systems - emphasizing compact packaging, flexible video formatting, and system-level features like CEC and DDC.

FAQ

Does TDA19988BHN/C1 support HDCP encryption?

No. The "BHN" suffix explicitly denotes the non-HDCP version. Unlike TDA19988AHN/C1, this variant omits the HDCP 1.4 cipher block and internal OTP key memory. It is intended for applications where content protection is not required, such as industrial displays, developer evaluation, or legacy HDMI sinks without HDCP enforcement.

What video timing standards does the TDA19988BHN/C1 support beyond HDMI 1.4a?

The device natively supports EIA/CEA-861B video timing, ITU-R BT.656 (with selectable SDR/DDR pixel clock sampling), and multiple YCbCr subsampling formats (4:2:2 semi-planar, 4:4:4). It does not support DisplayPort, MIPI DSI, or LVDS timing standards - its interface is strictly parallel CMOS video input and HDMI TMDS output.

Can the TDA19988BHN/C1 drive HDMI cables longer than 5 meters?

Signal integrity depends on PCB layout, cable quality, and sink termination. The IC's TMDS drivers meet HDMI 1.4a electrical specifications (250 MHz–1.5 GHz) but do not include built-in equalization or re-driving. For >5 m passive cables, external redrivers (e.g., Parade PS171) are recommended to maintain eye diagram compliance and reduce bit error rate.

Is the HVQFN64 package of TDA19988BHN/C1 compatible with standard reflow profiles?

Yes. The SOT804-4 package is qualified for JEDEC J-STD-020D moisture sensitivity level 3 and supports standard lead-free reflow profiles (peak temperature ≤260 °C). Its exposed thermal pad must be soldered to a dedicated PCB thermal land with ≥6 vias to inner ground planes to ensure reliable thermal dissipation during sustained 1080p operation.