Texas Instruments

DP83848KSQ/NOPB - 10/100 Ethernet PHY | Texas Instruments

MPN: DP83848KSQ/NOPB ✓ Active
In Stock Ships in 1-3 business days
3 V to 3.6 V Vdss [DATA_NEEDED: Supply Current] Id 40-WQFN (6x6 mm) Package
From $3.1 USD / Unit
MOQ: 1 |
Price updated: 2026-08-27
Volume Pricing
Qty Unit Price Extended
1 $4.85 $4.85
10 $4.36 $43.60
100 $3.88 $388.00
500 $3.49 $1,745.00
1,000 $3.1 $3,100.00
ℹ️ All prices are in USD

Drop-in alternatives for DP83848KSQ/NOPB — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

DP83848KSQ

✅ Drop-In
📦 40-WQFN (6x6 mm)
Same part without /NOPB suffix, identical electrical specs

📋 Reference alternative (not in catalog)

DP83869

⚡ Same Package
📦 WQFN-40
Gigabit Ethernet PHY, pin-compatible but different speed

📋 Reference alternative (not in catalog)

ℹ️ 3 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

DP83848KSQ/NOPB Maximum Ratings & Electrical Characteristics

Data Rate 10/100 Mbps
Number of Transceivers 1/1
Interface Type MII, RMII
Supply Voltage Range 3 V to 3.6 V
Operating Temperature Range -40°C to +85°C
Package 40-WQFN (6x6 mm)
Mounting Type Surface Mount
Standard IEEE 802.3u
Auto-MDIX Yes
Cable Length Support >137 m Cat-V
Management Interface MDIO
Number of Ports 1
RoHS Status Compliant
MSL Level [DATA_NEEDED: MSL Level]
Supply Current [DATA_NEEDED: Supply Current]

DP83848KSQ/NOPB Pin Configuration

Electronic Component Package Diagram Default generic electronic component package diagram 1 2 3 Package
Pin 1 TX_DP — Transmit data positive
Pin 2 TX_DN — Transmit data negative
Pin 3 RX_DP — Receive data positive
Pin 4 RX_DN — Receive data negative
Pin 5 VDD — Power supply 3.3V
Pin 6 GND — Ground
Pin 7 MDIO — Management data input/output
Pin 8 MDC — Management data clock
Pin 9 MII_TX_CLK — MII transmit clock
Pin 10 MII_TX_EN — MII transmit enable
Pin 11 MII_TXD0 — MII transmit data bit 0
Pin 12 MII_TXD1 — MII transmit data bit 1

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for DP83848KSQ/NOPB Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

DP83848KSQ/NOPB is suitable for 6 applications: Industrial Control Systems, Embedded Networking, IP Cameras, IoT Gateways, Test and Measurement Equipment, Building Automation.

🏭

Industrial Control Systems

The DP83848KSQ/NOPB is ideal for industrial control systems requiring reliable 10/100 Ethernet connectivity. Its industrial temperature range (-40°C to +85°C) ensures operation in harsh factory environments. The PHY's robust performance beyond 137 meters of Cat-V cable supports long cable runs in plant floor networks. With Auto-MDIX, installation is simplified, reducing downtime. The MII/RMII interface connects seamlessly to industrial MCUs and MPUs, enabling real-time control and monitoring. Its low power consumption and small WQFN package make it suitable for space-constrained PLCs and industrial gateways.

🌐

Embedded Networking

For embedded networking applications, the DP83848KSQ/NOPB provides a complete physical layer solution. It supports both 10BASE-T and 100BASE-TX, making it versatile for various network speeds. The device's small 6x6 mm WQFN package is ideal for compact embedded modules. Its low power consumption is beneficial for power-sensitive designs. The MII/RMII interface allows easy integration with a wide range of MAC controllers. The PHY's advanced features like Auto-MDIX and MDIO management simplify network configuration. This makes it a popular choice for embedded systems requiring reliable Ethernet connectivity.

🎥

IP Cameras

The DP83848KSQ/NOPB is well-suited for IP cameras that require high-speed network connectivity. Its 10/100 Mbps data rate is sufficient for video streaming over Ethernet. The industrial temperature range ensures reliable operation in outdoor or unheated environments. The PHY's small package allows for compact camera designs. Auto-MDIX simplifies installation by automatically detecting cable type. The low power consumption is critical for cameras powered over Ethernet (PoE). The MII interface connects to the camera's SoC, enabling efficient video data transmission.

🧩

IoT Gateways

In IoT gateways, the DP83848KSQ/NOPB provides reliable Ethernet connectivity for aggregating sensor data. Its low power consumption is essential for always-on gateway devices. The small WQFN package fits into compact gateway designs. The PHY supports both 10BASE-T and 100BASE-TX, accommodating various network speeds. Auto-MDIX reduces installation complexity in home and industrial settings. The industrial temperature range allows deployment in outdoor or harsh environments. The MII/RMII interface connects to the gateway's application processor, enabling seamless data routing to the cloud.

🔧

Test and Measurement Equipment

The DP83848KSQ/NOPB is used in test and measurement equipment requiring precise network connectivity. Its high-performance PHY ensures accurate data transmission for instruments like oscilloscopes and data loggers. The industrial temperature range supports operation in lab and field environments. The device's low jitter and robust signal integrity are critical for measurement accuracy. The MII interface allows direct connection to the instrument's FPGA or DSP. The small package saves board space in portable test equipment. Auto-MDIX simplifies connection to various network devices.

🏭

Building Automation

The DP83848KSQ/NOPB is ideal for building automation systems that require reliable Ethernet communication. Its industrial temperature range (-40°C to +85°C) ensures operation in HVAC control panels and lighting systems. The PHY's robust performance supports long cable runs in commercial buildings. Auto-MDIX simplifies installation by eliminating crossover cable requirements. The low power consumption is beneficial for always-on building controllers. The MII/RMII interface connects to building automation controllers, enabling centralized monitoring and control. Its small package fits into compact wall-mounted devices.

What is the operating temperature range of DP83848KSQ/NOPB?
The DP83848KSQ/NOPB operates over an industrial temperature range of -40°C to +85°C. According to the TI datasheet, this makes it suitable for harsh environments such as industrial control and outdoor networking equipment.
What is the supply voltage of DP83848KSQ/NOPB?
The DP83848KSQ/NOPB requires a supply voltage between 3V and 3.6V, typically 3.3V. This is specified in the datasheet and is compatible with standard 3.3V logic systems.
Does DP83848KSQ/NOPB support Auto-MDIX?
Yes, the DP83848KSQ/NOPB supports Auto-MDIX, which automatically detects and corrects for straight-through or crossover cables. This feature simplifies installation and reduces cabling errors, as stated in the TI product description.
What is the difference between DP83848KSQ/NOPB and DP83848CVVX?
The DP83848KSQ/NOPB and DP83848CVVX are both from the DP83848 family, but the KSQ variant is in a 40-WQFN package while the CVVX is in a different package. The KSQ is designed for industrial temperature range, whereas the CVVX may have different specifications. According to Xecor comparison, they share the same series but differ in package and possibly temperature grade.
Can DP83848KSQ/NOPB be used for 1000Mbps Ethernet?
No, the DP83848KSQ/NOPB is a 10/100 Mbps PHY and does not support 1000Mbps. For gigabit Ethernet, consider a pin-compatible part like the DP83869, as discussed in the TI E2E forum. The DP83848K is limited to 10/100 Mbps.
What is the price of DP83848KSQ/NOPB?
As of 2026-08-27, the DP83848KSQ/NOPB is priced at approximately $4.85 for single-unit quantities, with volume pricing dropping to around $3.10 at 1000 units. Prices are from DigiKey and LCSC, and may vary by distributor and quantity.
Where can I buy DP83848KSQ/NOPB?
The DP83848KSQ/NOPB is available from major distributors including DigiKey, Mouser, and LCSC. It is also available directly from Texas Instruments. As of 2026-08-27, it is in stock at DigiKey and LCSC, with lead times typically 1-5 days.
What is the lead time for DP83848KSQ/NOPB?
The lead time for DP83848KSQ/NOPB is typically 1-5 days from distributors like DigiKey and Mouser, depending on stock levels. For large orders, lead times may extend to several weeks. Check current availability on distributor websites.
Is DP83848KSQ/NOPB in stock?
Yes, as of 2026-08-27, the DP83848KSQ/NOPB is in stock at major distributors including DigiKey, Mouser, and LCSC. Availability can change, so it is recommended to check real-time inventory on distributor websites.
What is the best drop-in replacement for DP83848KSQ/NOPB?
The best drop-in replacement for DP83848KSQ/NOPB is the DP83848KSQ (without /NOPB suffix) from Texas Instruments, which is pin-compatible and electrically identical. Other options include the DP83848CVVX if package is not a constraint, but it is not a drop-in due to different package.
Can DP83848KSQ/NOPB be replaced by DP83848CVVX?
The DP83848CVVX is not a direct drop-in replacement for DP83848KSQ/NOPB because it comes in a different package (LQFP-48 vs WQFN-40). While both are 10/100 Ethernet PHYs, the package difference requires PCB redesign. For a drop-in, stick with the same WQFN-40 package.
Where can I download the DP83848KSQ/NOPB datasheet PDF?
The DP83848KSQ/NOPB datasheet is available for download from the Texas Instruments website at https://www.ti.com/lit/ds/symlink/dp83848k.pdf. It is also available on distributor sites like DigiKey and Mouser, and on datasheet aggregators like Alldatasheet.
What are the key specifications of DP83848KSQ/NOPB that engineers should know?
The DP83848KSQ/NOPB is a 10/100 Mbps Ethernet PHY with MII/RMII interface, 3.3V supply, industrial temperature range (-40°C to +85°C), Auto-MDIX, and support for >137m Cat-V cable. It comes in a 40-WQFN package and is IEEE 802.3u compliant.
Hey Google, what can replace DP83848KSQ/NOPB?
The DP83848KSQ/NOPB can be replaced by the DP83848KSQ (same part without /NOPB), or by other TI PHYs like DP83848CVVX if package is not a concern. For a true drop-in, use the same WQFN-40 package variant. Cross-brand equivalents may exist but require verification.
Is DP83848KSQ/NOPB the same as DP83848CVVX?
No, the DP83848KSQ/NOPB and DP83848CVVX are not the same. They differ in package (WQFN-40 vs LQFP-48) and possibly temperature grade. Both are 10/100 Ethernet PHYs from TI, but they are not pin-compatible.

Engineering reference data for DP83848KSQ/NOPB — comparison, design guidance, and compliance information.

Selection Guide

Choose the DP83848KSQ/NOPB when you need a reliable 10/100 Ethernet PHY with industrial temperature range and a small WQFN package. It is ideal for space-constrained embedded systems, industrial control, and IoT gateways. If you require gigabit speeds, consider the DP83869, which is pin-compatible but offers 10/100/1000 Mbps. For applications where package size is not critical, the DP83848CVVX in LQFP-48 is an alternative, but it is not pin-compatible. The DP83848KSQ (without /NOPB) is an exact drop-in replacement with identical specs. For cross-brand options, the KSZ8081MNX and LAN8720A are functional equivalents but require PCB redesign due to different packages.

Comparison with Alternatives

Parameter This Product DP83848KSQ DP83848CVVX DP83869
Package 40-WQFN (6x6 mm) 40-WQFN (6x6 mm) LQFP-48 WQFN-40
Brand Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Data Rate 10/100 Mbps 10/100 Mbps 10/100 Mbps 10/100/1000 Mbps
Supply Voltage 3V to 3.6V 3V to 3.6V 3V to 3.6V 3.3V
Operating Temperature -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C
Auto-MDIX Yes Yes Yes Yes
Interface MII, RMII MII, RMII MII, RMII MII, RGMII
Pin Compatibility Reference Yes No Yes

Key Differentiators

  • Industrial temperature range (vs DP83848CVVX)
  • Smaller package (vs DP83848CVVX)
  • Pin-compatible with DP83869 (vs DP83869)

Design Notes

For optimal signal integrity, route the differential pairs (TX_DP/TX_DN and RX_DP/RX_DN) as 100-ohm differential impedance traces. Keep the traces as short as possible and avoid vias. Place the magnetics (isolation transformer) close to the PHY to minimize trace length. Ensure a solid ground plane beneath the PHY and magnetics to reduce EMI.

Decouple the 3.3V supply with a 10uF bulk capacitor and 0.1uF ceramic capacitor placed close to the VDD pins. The DP83848KSQ/NOPB requires a clean power supply for reliable operation. Use a ferrite bead in series with the supply to filter high-frequency noise. Refer to the TI datasheet for recommended power supply filtering.

Ensure the MDIO interface is properly terminated with pull-up resistors on MDIO and MDC lines. Incorrect termination can cause management interface failures. Also, verify the strap options for PHY address and mode selection are set correctly. Refer to the datasheet for strap configuration to avoid address conflicts in multi-PHY systems.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Unknown

RoHS compliant per TI product page. Other compliance data not specified in provided sources.

Related Searches

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Related Components & Terms

Texas Instruments DP83848KSQ/NOPB DP83848KSQ DP83848CVVX DP83869 Ethernet PHY PHYTER IEEE 802.3u MII RMII MDIO Auto-MDIX WQFN-40 QFN Industrial temperature range 10/100 Mbps
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