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DP83620SQX/NOPB
Texas Instruments
IC TRANSCEIVER 1/1 48WQFN
2272 Pcs New Original In Stock
1/1 Transceiver MII, RMII 48-WQFN (7x7)
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (461 Ratings)
DP83620SQX/NOPB
Product Overview
1447580
DiGi Electronics Part Number
DP83620SQX/NOPB-DGManufacturer
Texas Instruments
DP83620SQX/NOPB
Description
IC TRANSCEIVER 1/1 48WQFNInventory
2272 Pcs New Original In Stock
1/1 Transceiver MII, RMII 48-WQFN (7x7)
Quantity
Minimum 1
Minimum 1
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DP83620SQX/NOPB Technical Specifications
Category
Interface, Drivers, Receivers, Transceivers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Type
Transceiver
Protocol
MII, RMII
Number of Drivers/Receivers
1/1
Duplex
-
Data Rate
-
Voltage - Supply
3V ~ 3.6V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-WFQFN Exposed Pad
Supplier Device Package
48-WQFN (7x7)
Base Product Number
DP83620
Datasheet & Documents
Manufacturer Product Page
DP83620SQX/NOPB Specifications
HTML Datasheet
DP83620SQX/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
5A991B1
HTSUS
8542.39.0001
Additional Information
Other Names
DP83620SQX/NOPB-DG
296-44050-6
296-44050-2
-296-44050-1
-296-44050-1-DG
296-44050-1
Standard Package
2,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
빠른 배송이 정말 인상적이고 가격도 너무 착해서 재구매 의사가 충분합니다. 추천할 만한 곳이에요.
de desembre 02, 2025
쉽고 빠르게 원하는 제품을 찾아 구매할 수 있어서 좋아요.
de desembre 02, 2025
每次交貨都符合我們的時間表，沒有任何延誤的情況發生。
de desembre 02, 2025
迪吉電子的產品設計非常用心，品質也很過硬，非常值得購買。
de desembre 02, 2025
価格以上の価値を感じる商品ばかりで、買い続けています。
de desembre 02, 2025
Beautifully packaged with the environment in mind—and prices that fit my budget.
de desembre 02, 2025
Their after-sales service makes me feel confident and cared for.
de desembre 02, 2025
Enjoyed a seamless shopping experience thanks to their fast shipping.
de desembre 02, 2025
Their after-sales support is outstanding; they are always ready to assist with any inquiries.
de desembre 02, 2025
The shipping was very swift, and post-purchase support was attentive and helpful.
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Frequently Asked Questions (FAQ)
When designing a compact industrial Ethernet node with the DP83620SQX/NOPB, what layout and thermal considerations are critical to avoid signal integrity issues and premature failure due to the exposed pad package?
The DP83620SQX/NOPB’s 48-WQFN (7x7) package with an exposed thermal pad requires careful PCB design: ensure a solid ground plane beneath the pad with multiple thermal vias (≥9 vias, 0.3mm diameter) to dissipate heat and maintain stable junction temperature. Poor thermal management can elevate die temperature beyond the -40°C to 85°C operating range, degrading PHY performance and increasing bit error rates. Additionally, maintain controlled impedance routing for RMII/MII signals (50Ω single-ended), keep analog and digital grounds separated but tied at a single point near the exposed pad, and minimize trace length mismatches to prevent timing skew—especially critical in RMII mode where clock and data alignment is tight.
Can the DP83620SQX/NOPB be directly substituted for a Microchip LAN8720A in an existing RMII design without firmware or hardware changes, and what risks should I evaluate?
Direct substitution of the DP83620SQX/NOPB for the Microchip LAN8720A is not recommended without validation. While both support RMII and operate at 3.3V, the DP83620SQX/NOPB has different power sequencing requirements, stricter reset timing (minimum 10ms power-on reset), and uses a different internal PLL configuration that may require adjustments to the reference clock circuitry. Additionally, the DP83620SQX/NOPB lacks integrated termination resistors, which the LAN8720A includes—omitting external termination can cause signal reflections on the RMII interface. Firmware may also need updates to handle different register maps and auto-negotiation behaviors. Always revalidate signal integrity and perform full link-layer testing before deployment.
What are the key reliability risks when using the DP83620SQX/NOPB in outdoor or high-humidity environments, and how does its MSL 2 rating impact board assembly and long-term field performance?
The DP83620SQX/NOPB’s Moisture Sensitivity Level (MSL) 2 rating means it can be exposed to ambient conditions for up to 1 year before reflow without requiring dry packing, but this doesn’t eliminate long-term reliability risks in harsh environments. In high-humidity or outdoor applications, moisture ingress combined with thermal cycling can lead to delamination of the WQFN package or corrosion at solder joints—especially if conformal coating is not applied. The exposed pad increases susceptibility to voiding under thermal stress, which accelerates fatigue. To mitigate risk, use nitrogen-assisted reflow, apply underfill if mechanical stress is expected, and implement a hydrophobic conformal coating. Always monitor field returns for early signs of moisture-related failure such as increased packet loss or intermittent link drops.
How does the DP83620SQX/NOPB handle electromagnetic compatibility (EMC) in noisy industrial environments, and what design practices are essential to pass IEC 61000-4-3 radiated immunity tests?
The DP83620SQX/NOPB lacks built-in EMC hardening features like integrated common-mode chokes or advanced filtering, making system-level design critical for passing IEC 61000-4-3. In industrial settings with variable-frequency drives or motor noise, radiated fields can couple into RMII traces or the crystal oscillator, causing packet corruption or link resets. To ensure compliance, use a shielded RJ45 connector with integrated magnetics, keep the 50MHz reference clock away from noisy digital lines, and implement a Pi-filter on the 3.3V supply with low-ESR ceramics. Ground the exposed pad directly to a low-impedance chassis ground plane via multiple vias to reduce antenna effects. Pre-compliance testing with a GTEM cell is strongly advised during prototype stages.
Is the DP83620SQX/NOPB suitable for battery-powered IoT edge devices requiring ultra-low power, and how do its power states compare to alternatives like the TI DP83822I?
The DP83620SQX/NOPB is not optimized for ultra-low-power battery-operated IoT devices. While it supports energy-efficient Ethernet (EEE) and power-down modes, its typical active current (~120mA) and lack of deep sleep states make it less efficient than the DP83822I, which offers <10µA in shutdown mode and better wake-on-LAN support. For battery-powered designs, the DP83620SQX/NOPB’s static power draw can significantly reduce operational lifetime, especially in always-connected scenarios. If low power is a priority, consider migrating to the DP83822I, but note that it uses a different pinout and requires layout changes. If you must use the DP83620SQX/NOPB, implement aggressive software-controlled power cycling and disable unused features like LED indicators to minimize average current consumption.
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DP83620SQX/NOPB CAD Models
Texas Instruments DP83620SQX/NOPB PCB symbols & footprints
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