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Diodes Incorporated PI3HDX1204B1ZHIEX
- Part No.:
- PI3HDX1204B1ZHIEX
- Manufacturer:
- Diodes Incorporated
- Category:
- Specialized
- Package:
- 42-VFQFN Exposed Pad
- Datasheet:
-
PI3HDX1204B1ZHIEX.pdf
- Description:
- IC INTERFACE SPECIALIZED QFN3590
- Quantity:
- Payment:
- Shipping:
Inventory:3,895
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Product details
Overview
The PI3HDX1204B1ZHIEX from Diodes Incorporated is a 4-channel HDMI 2.0 (6.0 Gbps) limiting ReDriver™ with programmable equalization up to +22.2 dB at 3 GHz, output swing control (0.8–1.3 Vppd), and de-emphasis (0 to –1.0 dB). It supports dual-mode DisplayPort++ to HDMI level shifting and delivers ≤50 ps intra-pair differential skew and ≤2000 ps propagation delay for high-fidelity TMDS signal regeneration in long-cable or lossy-PCB applications.
For engineers reviewing the PI3HDX1204B1ZHIEX datasheet, PI3HDX1204B1ZHIEX pinout, PI3HDX1204B1ZHIEX application, or PI3HDX1204B1ZHIEX equivalent, this device addresses critical signal integrity challenges in HDMI 2.0 active cables, internal board video interconnects, and DP++ source-to-HDMI sink translation-where precise EQ tuning, low additive jitter (<200 fs RMS typical), and per-channel configuration via I²C or pin-strapping are required.
Technical Context
This ReDriver implements a limiting amplifier architecture with independent per-channel equalization, output swing, and de-emphasis control. Its input termination detector dynamically selects between 50 Ω and ~200 kΩ pull-up based on external termination presence, enabling robust operation across varying channel loads.
The device integrates an I²C slave interface (7-bit address configurable via A0/A1/A4 pins) and pin-strapped programming mode (via BST[3:0], DE[1:0], VOD1), supporting both factory-set and runtime reconfiguration. Signal activity detection and individual channel enable/disable via register control further enhance system-level flexibility in power-managed video subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Data Rate | 6.0 Gbps (HDMI 2.0 compliant); supports full-bandwidth TMDS clock recovery without retiming. |
| Equalization Range | +0.25 dB to +22.2 dB @ 3 GHz; 16-step adjustment enables compensation of ≥36-inch FR4 trace loss (–12.1 dB @ 3 GHz). |
| Output Swing | 0.8–1.3 Vppd (4 settings); selectable to match downstream receiver sensitivity and reduce EMI in noisy environments. |
| De-emphasis | 0 to –1.0 dB (4 settings); mitigates high-frequency loss in source-side transmission paths. |
| Jitter Performance | ≤200 fs RMS additive jitter; doubles jitter margin vs. legacy CMOS ReDrivers for stable eye opening at 6 Gbps. |
| Channel Count | 4 independent TMDS channels (A0–A3); each supports full EQ/SW/DE configuration and activity detection. |
| Supply Voltage | 3.0–3.6 V (typ. 3.3 V); compatible with standard industrial logic rails and low-noise LDOs. |
| Operating Temp | –40°C to +85°C; qualified for industrial-grade embedded video systems including AIO PCs and digital signage. |
Pinout & Package
Package: 42-pin TQFN (3.5 mm × 9.0 mm, 0.5 mm pitch), thermally enhanced with exposed center pad (GND). RoHS-compliant, halogen-free, lead-free construction.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| A0RX+/A0RX− | TMDS Input Channel A0 | Differential input pair with auto-sensing 50 Ω / 200 kΩ termination; accepts DP++ or HDMI source signals. |
| A0TX+/A0TX− | TMDS Output Channel A0 | Differential output pair with 50 Ω termination; drives HDMI sink or active cable with programmable swing/de-emphasis. |
| SCL/SDA | I²C Interface | Standard two-wire bus for runtime configuration of EQ/SW/DE per channel and channel enable/disable. |
| PEN | Power Enable | Active-high global enable; pulls all channels into low-power state (IDDQ = 0.3 mA) when asserted low. |
| Pin_Mode | Configuration Mode Select | High = pin-strapped setup (BST[3:0], DE[1:0], VOD1); Low = I²C register-controlled operation. |
| BST[3:0] | Equalization Control | 4-bit input selecting one of 16 EQ levels; sets identical boost across all 4 channels in pin-mode. |
| DE[1:0] | De-emphasis Control | 2-bit input selecting 0 / –0.5 / –0.7 / –1.0 dB; applied uniformly to all outputs in pin-mode. |
| VOD1 | Output Swing Control | MSB of 2-bit swing select (with implied VOD0); chooses 0.8 / 0.95 / 1.15 / 1.3 Vppd in pin-mode. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-mode DP++ to HDMI level shifting | Enables single-source GPU output to drive both DisplayPort and HDMI displays without external level translators. |
| Per-channel independent EQ/SW/DE | I²C allows unique settings per TMDS lane-critical for asymmetric trace lengths or mixed-media routing (e.g., PCB + cable). |
| Auto-terminating input detector | Monitors each RX pair every 5 ms; switches from 200 kΩ to 50 Ω termination upon detecting external 50 Ω load. |
| Low-jitter limiting architecture | Delivers <200 fs RMS additive jitter-enabling reliable HDMI 2.0 CTS compliance in active cables up to 15 m. |
| Industrial temperature support | Validated operation from –40°C to +85°C ensures reliability in AIO PCs, digital signage, and broadcast equipment. |
Applications
| HDMI 2.0 Active Cable Assembly | GPU-to-Monitor DP++ Translation |
|---|---|
|
Use Scenario: 10–15 meter passive HDMI cables failing CTS due to insertion loss >15 dB at 3 GHz. IC Role / Device Role / Timing Role: ReDriver placed mid-cable or at connector; regenerates degraded TMDS signals using +17.9 dB EQ and –0.7 dB de-emphasis. Use Value: Restores eye height >150 mV and jitter <0.3 UI at 6 Gbps-meeting HDMI 2.0 electrical compliance without retiming latency. |
Use Scenario: Laptop GPU with DP++ output driving legacy HDMI-only monitor. IC Role / Device Role / Timing Role: Level shifter converting DP HBR3 (2.7 Gbps/lane) to HDMI 2.0 TMDS (6 Gbps), preserving HDCP and DDC signaling. Use Value: Eliminates need for discrete level shifters and separate DDC buffers-reducing BOM count by 3+ components. |
| Internal Video Board Interconnect | Digital Signage Video Backplane |
|
Use Scenario: 12-layer AIO PC motherboard routing HDMI signals across >18-inch FR4 traces with >10 dB loss at 3 GHz. IC Role / Device Role / Timing Role: On-board ReDriver placed near GPU output; applies +10.3 dB EQ and 1.15 Vppd swing to compensate trace loss. Use Value: Enables direct HDMI 2.0 routing without layer stacking or expensive low-loss laminates-cutting PCB cost by ~18%. |
Use Scenario: Large-format display controller feeding four independent HDMI outputs over shared backplane. IC Role / Device Role / Timing Role: Four-channel ReDriver per output; independently tuned EQ per lane to match varied trace lengths (6–30 inch). Use Value: Guarantees simultaneous 4K60 output stability across all ports-eliminating intermittent sync loss in commercial installations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar HDMI 2.0 ReDriver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI TDP142 | Single-channel, fixed +12 dB EQ, no I²C; requires external level shifters for DP++ mode. | Limited to point-to-point HDMI extension; cannot replace PI3HDX1204B1ZHIEX in multi-channel or DP++-enabled designs. | Select only for cost-sensitive single-lane applications where pin count and configurability are secondary. |
| Parade PS8409 | 4-channel, supports HDMI 2.0 + DisplayPort 1.2; includes integrated HDCP repeater and DDC buffer. | Higher integration but larger package (56-QFN) and higher power (420 mA typ); lacks per-channel EQ granularity. | Choose when HDCP management and DDC pass-through are mandatory-accepting trade-offs in layout area and thermal design. |
Compared with TI TDP142 and Parade PS8409, the PI3HDX1204B1ZHIEX uniquely balances per-channel programmability, industrial temperature range, and compact 42-TQFN footprint-making it optimal for space-constrained, multi-lane HDMI 2.0 systems requiring field-tunable signal integrity.
Availability
PI3HDX1204B1ZHIEX is available at Aetrix Electronics and suitable for HDMI 2.0 active cables, GPU-to-monitor DP++ translation, and internal video board interconnects requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for PI3HDX1204B1ZHIEX 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-performance signal integrity, power management, and connectivity solutions for industrial, computing, and consumer markets.
The PI3HDX1204B1ZHIEX belongs to Diodes' ReDriver™ product line-designed specifically for high-speed serial interface signal conditioning in HDMI, DisplayPort, USB, and PCIe applications where loss compensation and jitter reduction are critical.
FAQ
What is the maximum supported HDMI version and data rate?
The PI3HDX1204B1ZHIEX supports HDMI 2.0 with a maximum data rate of 6.0 Gbps per TMDS channel. It is not compliant with HDMI 2.1 features such as dynamic HDR, variable refresh rate, or 8K resolution, as its architecture targets the 3 GHz fundamental frequency band and does not include FRL (Fixed Rate Link) or enhanced frame packing capabilities.
Can the device operate in both pin-strapped and I²C modes simultaneously?
No-Pin_Mode pin determines the active configuration method: HIGH enables pin-strapped setup (BST[3:0], DE[1:0], VOD1), while LOW enables I²C register-based control. The two modes are mutually exclusive; mixing them causes undefined behavior and is not supported per the datasheet's functional description and initialization sequence.
Does the device include built-in HDCP or DDC functionality?
No-the PI3HDX1204B1ZHIEX is a physical-layer signal conditioner only. It passes DDC (I²C) signals transparently between source and sink but contains no HDCP encryption/decryption logic, key storage, or authentication engine. External HDCP controllers remain required for content-protected video paths.
How does the auto-termination detection work during power-up?
At power-on or when PEN transitions high, the device initializes all inputs to 200 kΩ termination and begins polling each RX pair every 5 ms. If a 50 Ω load is detected (via voltage divider response), it switches that channel's input termination to 50 Ω within 10 ms. Detection continues until all active channels are configured, ensuring compatibility with both terminated and unterminated sources.
PI3HDX1204B1ZHIEX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 42-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- HDMI Redriver, Level Shifter
- Interface:
- -
- Voltage - Supply:
- 3V ~ 3.6V
- Supplier Device Package:
- 42-TQFN (9x3.5)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
PI3HDX1204B1ZHIEX FAQ
1.How can I place an order for PI3HDX1204B1ZHIEX through Aetrix?
Please submit a Request for Quotation (RFQ) for PI3HDX1204B1ZHIEX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PI3HDX1204B1ZHIEX reliable?
The price and inventory of PI3HDX1204B1ZHIEX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI3HDX1204B1ZHIEX is usually 5 days.
3.What payment methods are accepted for PI3HDX1204B1ZHIEX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI3HDX1204B1ZHIEX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI3HDX1204B1ZHIEX?
PI3HDX1204B1ZHIEX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI3HDX1204B1ZHIEX order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PI3HDX1204B1ZHIEX?
For technical support, including PI3HDX1204B1ZHIEX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI3HDX1204B1ZHIEX requirements.
6.How does Aetrix verify that PI3HDX1204B1ZHIEX is sourced from the original manufacturer or authorized distributors?
All PI3HDX1204B1ZHIEX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PI3HDX1204B1ZHIEX meets industry standards.
7.What is the process for return or replacement of PI3HDX1204B1ZHIEX?
All PI3HDX1204B1ZHIEX units undergo pre-shipment inspection (PSI). If there is an issue with PI3HDX1204B1ZHIEX, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PI3HDX1204B1ZHIEX part is unused and in its original packaging.
Return procedure for PI3HDX1204B1ZHIEX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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