My Inquiry
My Account
Texas Instruments DP83822HFRHBT
- Part No.:
- DP83822HFRHBT
- Manufacturer:
- Texas Instruments
- Category:
- Specialized
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
DP83822HFRHBT.pdf
- Description:
- IC INTERFACE SPECIALIZED 32VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:668
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DP83822HFRHBT from Texas Instruments is a robust, low-power 10/100Mbps Ethernet physical layer transceiver designed for industrial environments. It supports IEEE 802.3u (100BASE-TX/10BASE-Te), operates from –40°C to 125°C, delivers <120mW power at 1.8V AVD, and integrates RGMII/RMII/MII MAC interfaces with programmable termination impedance.
For engineers reviewing the DP83822HFRHBT datasheet, DP83822HFRHBT pinout, DP83822HFRHBT application, or DP83822HFRHBT equivalent, this device is selected for harsh-condition industrial Ethernet nodes requiring ESD-hardened PHYs, fast link-down detection, Energy Efficient Ethernet (IEEE 802.3az), and support for Profinet® and other real-time fieldbuses.
Technical Context
The DP83822HFRHBT implements full IEEE 802.3u compliance across 10BASE-Te, 100BASE-TX, and 100BASE-FX media types, with automatic MDI/MDIX crossover in forced modes and integrated start-of-frame detection for IEEE 1588 timestamping. Its analog front-end includes differential TD_P/TD_M and RD_P/RD_M interfaces with configurable swing and symmetry via register 0x0403.
It features three MAC interface options-MII, RMII, and RGMII-with independent clock domains and strappable configuration pins. Power management includes Wake-on-LAN (WoL) with magic packet detection, programmable energy-saving modes, and dual-supply flexibility (1.8V/2.5V/3.3V I/O, 1.8V/3.3V analog).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 10/100Mbps - Supports both legacy 10BASE-Te and high-speed 100BASE-TX/FX operation in same silicon. |
| Operating Temperature | –40°C to 125°C - Qualified for extended industrial ambient range; enables deployment in motor drives and grid infrastructure. |
| Power Consumption | <120mW at 1.8V AVD - Enables thermally constrained designs without active cooling in sealed enclosures. |
| ESD Robustness | ±8kV contact discharge (IEC 61000-4-2) - Eliminates need for external TVS on MDI lines in factory automation systems. |
| MAC Interface | RGMII/RMII/MII - Provides layout flexibility: RGMII reduces pin count vs MII; RMII cuts clock domain complexity vs RGMII. |
| Emissions Compliance | CISPR 22 Class B conducted & radiated - Meets stringent EMC requirements for building and industrial automation equipment. |
| Diagnostic Capability | Built-in cable diagnostics + BIST + loopback - Reduces field service time by enabling in-situ fault isolation without external test gear. |
Pinout & Package
DP83822HFRHBT is housed in a 32-pin 5.00mm × 5.00mm VQFN (RHB) package with exposed thermal pad. Pin functions are validated per TI SNLS505H Rev. H datasheet Section 5.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TD_P / TD_M | Differential Transmit Output | Drive 100BASE-TX or 100BASE-FX signaling; swing configurable via register 0x0403 (0.95–1.05Vpk typ). |
| RD_P / RD_M | Differential Receive Input | Accept 100BASE-TX/FX signals; input sensitivity 0.22–1.8Vpk-pk; jitter tolerance 0.45UI pk-pk. |
| TX_CLK / RX_CLK | MII Clock Interface | 25MHz (100Mbps) or 2.5MHz (10Mbps); constant-phase output in MII mode; derived from data stream in receive path. |
| RX_DV / TX_EN | Data Valid / Enable Control | Synchronous to rising edge of respective clock; combines RX_ER/TX_ER in RGMII mode for compact timing. |
| MDIO / MDC | Serial Management Interface | 25MHz max MDC; bidirectional MDIO with 2.2kΩ pullup; supports IEEE 802.3 Clause 22 register access. |
| INT / PWDN_N | Interrupt / Power-Down Control | Open-drain output with weak internal pullup; default function is active-low power-down; configurable as interrupt via register. |
| RBIAS | Bias Resistor Connection | 4.87kΩ ±1% resistor to GND sets internal current reference for PMD analog circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-robust ESD/EFT immunity | ±8kV IEC 61000-4-2 contact discharge and Class A 4kV IEC 61000-4-4 EFT enable direct PCB routing to RJ-45 without protection components. |
| Triple-MAC interface support | RGMII/RMII/MII selection via hardware straps allows reuse across SoC platforms without redesigning PHY interface logic. |
| Energy Efficient Ethernet (EEE) | IEEE 802.3az-compliant low-power idle mode reduces dynamic power during packet gaps without disrupting link integrity. |
| Integrated cable diagnostics | Locates opens, shorts, and mismatches up to 150m on twisted-pair cabling-replaces external TDR tools in commissioning workflows. |
| Fast link-down detection | <10ms response to cable disconnect-critical for real-time industrial protocols like Profinet® IRT where cycle time must be guaranteed. |
Applications
| Motor Drives | Factory Automation |
|---|---|
Use Scenario: Integrated servo drive with embedded EtherCAT or Profinet® IRT interface requiring deterministic latency and vibration-resistant connectivity. IC Role / Device Role / Timing Role: Physical layer transceiver handling 100BASE-TX signaling, providing start-of-frame detect for IEEE 1588 timestamp alignment and rapid link-down recovery. Use Value: Enables sub-100μs jitter in motion control loops by minimizing PHY-induced delay variation and supporting precise synchronization via hardware timestamp triggers. |
Use Scenario: PLC backplane or distributed I/O module operating in high-noise manufacturing cells with frequent EMI events. IC Role / Device Role / Timing Role: Industrial-grade Ethernet PHY delivering CISPR 22 Class B emissions compliance and ±8kV ESD immunity on MDI lines. Use Value: Eliminates external surge protection and filtering components, reducing BOM cost and PCB area while maintaining uptime in electrically hostile environments. |
| Grid Infrastructure | Building Automation |
Use Scenario: Substation RTU or intelligent electronic device (IED) deployed outdoors with wide temperature swings and lightning-induced transients. IC Role / Device Role / Timing Role: Robust 10/100Mbps PHY supporting 100BASE-FX fiber interface and operating from –40°C to 125°C. Use Value: Ensures reliable communication over fiber links during extreme ambient conditions, with built-in self-test (BIST) enabling remote health monitoring. |
Use Scenario: HVAC controller or lighting node installed in commercial buildings with strict EMC certification requirements. IC Role / Device Role / Timing Role: Low-power Ethernet PHY implementing Energy Efficient Ethernet (802.3az) and Wake-on-LAN for scheduled maintenance wakeups. Use Value: Cuts standby power consumption by >40% versus legacy PHYs, meeting LEED and EU ErP Lot 9 energy efficiency mandates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10/100Mbps Ethernet PHY applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DP83822H | No 100BASE-FX support; identical pinout, package, and temperature range (–40°C to 125°C). | Restricted to copper-only deployments; unsuitable for fiber-linked grid or long-haul building backbone segments. | Select DP83822H when fiber interface is unnecessary and cost optimization is prioritized. |
| TLK106L | Legacy TI PHY; lacks EEE, WoL, cable diagnostics, and IEC 61000-4-2 ±8kV ESD rating; 32-pin VQFN but different pin mapping. | Not qualified for extended temperature or high-EMI industrial use; requires external ESD protection and higher power budget. | DP83822HFRHBT offers drop-in upgrade path with enhanced diagnostics and robustness-no PCB change needed if migrating from TLK106L design. |
Compared with DP83822H, DP83822HFRHBT adds 100BASE-FX capability for fiber extension; compared with TLK106L, it delivers measurable reliability gains via integrated diagnostics, lower power, and certified ESD immunity-enabling longer field lifetimes and reduced service calls.
Availability
DP83822HFRHBT is available at Aetrix Electronics and suitable for motor drives, factory automation systems, and grid infrastructure equipment requiring stable component supply across extended temperature and high-reliability operational profiles.
Supply support for DP83822HFRHBT 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.
The DP83822HFRHBT belongs to TI's industrial Ethernet PHY product line, engineered specifically for harsh-environment applications demanding extended temperature operation, high EMC immunity, and real-time protocol support including Profinet® and EtherCAT.
FAQ
What is the maximum operating temperature of the DP83822HFRHBT?
The DP83822HFRHBT is rated for operation from –40°C to 125°C ambient temperature. This extended range is validated per TI SNLS505H datasheet Section 6.3 and enables deployment in high-temperature industrial enclosures such as motor drive cabinets and outdoor grid substations where ambient heat buildup occurs.
Does the DP83822HFRHBT support fiber optic interfaces?
Yes, the DP83822HFRHBT supports 100BASE-FX fiber optic operation via its RD_P/RD_M and TD_P/TD_M differential pairs. The device automatically configures for FX signaling or can be forced into FX mode, and includes Signal Detect functionality on LED_1/GPIO1 for optical transceiver status monitoring.
How does the DP83822HFRHBT implement Energy Efficient Ethernet (EEE)?
The DP83822HFRHBT complies with IEEE 802.3az EEE, entering low-power idle (LPI) mode during packet gaps while maintaining link synchronization. LPI entry/exit is fully hardware-managed, requiring no MAC-layer intervention, and reduces dynamic power consumption by up to 50% in bursty traffic scenarios typical of industrial control networks.
Can the DP83822HFRHBT be used with RGMII at 10Mbps?
Yes, the DP83822HFRHBT supports RGMII operation at both 10Mbps and 100Mbps. At 10Mbps, the RGMII clock (TX_CLK/RX_CLK) must be 2.5MHz ±100ppm, and timing parameters-including SkewR (1–1.8ns) and SetupR/HoldR (1–2ns)-are specified in Section 6.16 of the SNLS505H datasheet.
What diagnostic capabilities does the DP83822HFRHBT provide?
The DP83822HFRHBT includes integrated cable diagnostics (open/short/mismatch location up to 150m), built-in self-test (BIST), digital loopback modes (PHY, MII, and analog), and rapid link-down detection (<10ms). These features are accessible via MDIO register reads and eliminate need for external test instrumentation during system validation or field troubleshooting.
DP83822HFRHBT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Ethernet
- Interface:
- MII, RMII
- Voltage - Supply:
- 1.71V ~ 3.45V
- Supplier Device Package:
- 32-VQFN (5x5)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
DP83822HFRHBT FAQ
1.How can I place an order for DP83822HFRHBT through Aetrix?
Please submit a Request for Quotation (RFQ) for DP83822HFRHBT 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 DP83822HFRHBT reliable?
The price and inventory of DP83822HFRHBT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DP83822HFRHBT is usually 5 days.
3.What payment methods are accepted for DP83822HFRHBT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DP83822HFRHBT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DP83822HFRHBT?
DP83822HFRHBT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DP83822HFRHBT 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 DP83822HFRHBT?
For technical support, including DP83822HFRHBT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DP83822HFRHBT requirements.
6.How does Aetrix verify that DP83822HFRHBT is sourced from the original manufacturer or authorized distributors?
All DP83822HFRHBT 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 DP83822HFRHBT meets industry standards.
7.What is the process for return or replacement of DP83822HFRHBT?
All DP83822HFRHBT units undergo pre-shipment inspection (PSI). If there is an issue with DP83822HFRHBT, 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 DP83822HFRHBT part is unused and in its original packaging.
Return procedure for DP83822HFRHBT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DP83822HFRHBT Tags
-
NVT4857UKAZ
NXP Semiconductors
-
TCA8418RTWR
Texas Instruments
-
PCA9546APWR
Texas Instruments
-
MD0100N8-G
Microchip Technology
-
PCA9548APW,118
NXP Semiconductors
-
PCA9540BDP,118
NXP Semiconductors
-
PCA9548APWR
Texas Instruments
-
PCA9546APW,118
NXP Semiconductors
-
PTN3360DBS,518
NXP Semiconductors
-
PCA9546ABS,118
NXP Semiconductors
-
PCA9518PWR
Texas Instruments
-
PCA9545APW,118
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
