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Name: DP83848MPHPEP
Brand: Texas Instruments
SKU: DP83848MPHPEP
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments DP83848MPHPEP

Part No.:: DP83848MPHPEP

Manufacturer:: Texas Instruments

Package:: 48-PowerTQFP

Datasheet:: DP83848MPHPEP.pdf

Description:: IC TRANSCEIVER 1/1 48HTQFP

In Stock:: 243

Quantity:: Add To Cart

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DP83848MPHPEP Specifications

Package/Case:
48-PowerTQFP
Packaging:
Tray
Series:
PHYTER®
ProductStatus:
Active
Type:
Transceiver
Protocol:
Ethernet
NumberofDrivers/Receivers:
1/1
Duplex:
-
ReceiverHysteresis:
-
DataRate:
-
Voltage-Supply:
3V ~ 3.6V
OperatingTemperature:
-55°C ~ 125°C
MountingType:
Surface Mount

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DP83848MPHPEP information

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DP83848MPHPEP Typical application Circuitry

DP83848MPHPEP

The DP83848MPHPEP is a robust, feature-rich Physical Layer transceiver (PHY) from Texas Instruments, designed for precision industrial Ethernet applications. It supports 10BASE-T and 100BASE-TX signaling, offering a flexible and reliable interface for Ethernet communications. This PHY is specifically tailored for environments requiring high reliability and extended operational temperatures, making it an ideal choice for industrial automation, automotive networks, and more.

Key Features and Specifications:

- Data Rates: Supports 10Mbps (10BASE-T) and 100Mbps (100BASE-TX) Ethernet speeds.

- Interface: MII (Media Independent Interface) for easy integration with a wide range of Ethernet controllers.

- Auto-Negotiation: Automatically determines the best possible speed and duplex mode.

- Power Supply: Operates with a single 3.3V power source.

- Package: Available in a 48-pin LQFP package, suitable for surface mount technology.

- Enhanced Features: Includes robust features such as Auto-MDIX (automatic medium-dependent interface crossover), Energy Efficient Ethernet (EEE), and extensive error detection and correction mechanisms.

Application Scenario: Integration into an industrial automation control system, providing Ethernet connectivity to various sensors and actuators.

Circuit Design Integration:

1. Power Supply Connection:

- VDD (Pin 23): Connect to a clean 3.3V power supply. Placing a 0.1µF decoupling capacitor close to this pin is crucial to filter out noise from the power supply. Bold: Power Supply Connection.

2. Ethernet Interface:

- TX+, TX- (Pins 31, 32), RX+, RX- (Pins 1, 2): These differential pairs connect to the corresponding pins on an RJ45 Ethernet jack with integrated magnetics. It's vital to maintain impedance control on these traces to ensure signal integrity. Bold: Ethernet Interface.

3. MII Interface:

- TXD[0-3], RXD[0-3], TX_EN, RX_DV (Various Pins): Interface these pins with the corresponding MII pins on the Ethernet controller. Proper timing alignment between these signals is key for successful data transmission and reception. Bold: MII Interface.

4. LED Indicators:

- LED_LINK (Pin 43), LED_SPEED (Pin 44): Connect these pins to LEDs through current-limiting resistors to provide visual indicators for link status and speed. Bold: LED Indicators.

5. Configuration Straps:

- CONFIG[0-3] (Pins 28-31): Set these pins to predefined logic levels at power-up to configure operational modes of the DP83848MPHPEP, such as Auto-Negotiation enable/disable or Power Down. Using pull-up or pull-down resistors as required by the specific configuration. Bold: Configuration Straps.

Design Considerations:

- Trace Impedance: Pay attention to the impedance of Ethernet traces, ensuring they match the characteristic impedance of the Ethernet standard (typically 100 ohms differential) to minimize reflections and signal loss.

- Isolation: Ensure proper isolation, especially if the system operates in electrically noisy environments. Transformers in the RJ45 jack provide galvanic isolation, which is crucial for industrial applications.

- EMI/EMC Compliance: Implement board layout practices that minimize electromagnetic interference (EMI), such as keeping Ethernet traces short and shielded, to comply with EMC regulations.

- Thermal Management: While the DP83848MPHPEP is designed for extended temperature operation, maintaining ambient temperature within specification ensures reliability and longevity.

- Power Decoupling: Use adequate decoupling capacitors near power pins to stabilize the supply voltage, especially important in industrial environments where power fluctuations may occur.

Integrating the DP83848MPHPEP into an industrial automation system highlights its capabilities in providing reliable Ethernet communication under demanding conditions, emphasizing the importance of careful PCB design and component selection to achieve optimal network performance and system reliability.

DP83848MPHPEP FAQ

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6. What is the process for return or replacement of DP83848MPHPEP?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DP83848MPHPEP we delivered, we will accept the replacement or return of the DP83848MPHPEP only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DP83848MPHPEP.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations