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DP83822IRHBT

TIDP83822IRHBT

Texas Instruments
Ethernet Interface 32-VQFN (5x5)
Active4,214 in stock

Overview

The DP83822IRHBT is an ultra-robust, low-power 10/100 Mbps Ethernet Physical Layer (PHY) transceiver designed for industrial applications. It supports MII and RMII interfaces and operates over a wide supply range of 1.71V to 3.45V. The device is engineered for high electromagnetic compatibility, meeting stringent IEC 61000-4-2 ESD and IEC 61000-4-4 EFT standards.

Why Choose This Part

This PHY offers exceptional robustness with +/- 8KV IEC 61000-4-2 contact discharge protection and Class A EFT performance at 4KV. It provides integrated diagnostic tools including BIST and cable diagnostics to simplify field maintenance. The flexible power management allows for significant energy savings via Wake-on-LAN and deep power-down modes.

Applications

Industrial Automation
Ideal for programmable logic controllers (PLCs) and motor drives requiring robust 10/100 Ethernet connectivity in electrically noisy environments.
Smart Grid Infrastructure
Used in substation automation and protection relays where high EFT and ESD tolerance is critical for reliability.
Real-time Ethernet
Supports IEEE 1588 Start of Frame detection for time-stamped communication in synchronized industrial networks.
Energy Efficient Systems
Utilizes IEEE 802.3az EEE and multiple sleep modes, including a 3000uA shutdown mode, to minimize power consumption in idle states.

Key Specifications

Interface MII, RMII
Applications Ethernet
Mounting Type Surface Mount
Package / Case 32-VFQFN Exposed Pad
Voltage - Supply 1.71V ~ 3.45V
Supplier Device Package 32-VQFN (5x5)

Getting Started

To evaluate this PHY, use the DP83822EVM evaluation module which provides easy access to the MII/RMII interfaces and MDIO management registers. Design integration requires careful attention to the 32-VQFN thermal pad grounding for optimal EMI performance. Configuration is typically handled via MDIO/MDC or hardware bootstrap pins during power-up.

DP83822 Family

Part NumberDifferenceStock
DP83822EVM EVM 28
Also available as: DP83822IRHBR

Also Consider

LAN8720A MCHPMicrochip - A widely used, smaller footprint 10/100 PHY specifically focused on RMII-only designs for cost-sensitive applications.
KSZ8081RND MCHPMicrochip - Offers an extremely compact 24-QFN package and low power consumption for space-constrained industrial sensors.