SI3402-B-GM
PoE PD Interface with DCDC Converter





Brands: Skyworks Solutions Inc.
Mfr.Part #: SI3402-B-GM
Datasheet: SI3402-B-GM Datasheet (PDF)
Package/Case: 20-VQFNExposedPad
Product Type: Power Over Ethernet Controllers
RoHS Status:
Stock Condition: 13,941 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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SI3402-B-GM General Description
Offering precise control over POE systems, the SI3402B-GM is a versatile solution suitable for a range of applications. Its wide operating temperature range of -40°C to 85°C ensures reliable performance in extreme conditions, while the 57V input voltage and 32V UVLO provide a stable power supply. With a compact QFN case style and 20 pins, this controller IC can be easily integrated into your design with minimal effort. The 350kHz frequency and 50% duty cycle enable efficient power management, while the MSL 3 rating ensures a shelf life of 168 hours. Additionally, the absence of SVHC makes the SI3402B-GM a safe and sustainable choice for your projects

Features
- Pin-compatible replacement for the obsolete Si3402-AIEEE 802.3 standard-compliant solution, including pre-standard (legacy) PoE supportHighly-integrated IC enables compact solution footprints-Minimal external components-Integrated diode bridges and transient surge suppressor-Integrated switching regulator controller with on-chip power FET-Integrated dual current-limited hotswap switchProgrammable classification circuitIncorporates switcher EMI-reduction techniques.Supports non-isolated and isolated switching topologiesComprehensive protection circuitry-Transient overvoltage protection-Undervoltage lockout-Early power-loss indicator-Thermal shutdown protection-Foldback current limitingLow-profile 5 x 5 mm 20-pin QFNRoHS-compliant
Specifications
Parameter | Value | Parameter | Value |
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Manufacturer Type | Powered Device - PD | Standard | 802.3af |
Coil Current | 680 mA | On Resistance - Max | 1.3 Ohms |
Collector-Emitter Saturation Voltage | 2.8 V to 57 V | Minimum Operating Temperature (°C) | - 40 |
Maximum Operating Temperature (°C) | + 85 | Mounting Style | SMD/SMT |
Duty Cycle - Max | 75 % | Moisture Sensitive | Yes |
Number of Channels | 1 Channel | Current @ Pmpp | 3.1 mA |
Series | Si3402 | Factory Pack Quantity | 490 |
Unit Weight | 0.004339 oz | Base Product Number | SI3402 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the SI3402-B-GM?
A: To place an order for the SI3402-B-GM, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the SI3402-B-GM?
A: We offer a 1-year warranty on the SI3402-B-GM. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of SI3402-B-GM from Skyworks Solutions Inc.?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Skyworks Solutions Inc. manufacturers and authorized agents. All Skyworks Solutions Inc. suppliers must pass a qualification review before they can list their SI3402-B-GM products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the SI3402-B-GM chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Skyworks Solutions Inc. information page to find comprehensive details about the SI3402-B-GM.
Q: Are the price and stock information for SI3402-B-GM on Ovaga's platform accurate?
A: Inventory levels for Skyworks Solutions Inc. products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for SI3402-B-GM?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the SI3402-B-GM?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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SI3402-B-GM is a power management IC (PMIC) chip designed for use in battery-operated devices, such as smartphones and wearables. It integrates multiple power management functions, including battery charging, voltage regulation, and power delivery. Its compact size and low power consumption make it ideal for portable electronic devices that require efficient power management.
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Equivalent
Some equivalent products to the SI3402-B-GM chip are Texas Instruments TPS22938, ON Semiconductor FPF2020, and Diodes Inc. AP2260. These chips are all load switches with similar functionality, making them potential alternatives to the SI3402-B-GM chip. -
Features
SI3402-B-GM is a low-loss, integrated power stage design with an integrated input current sense amplifier. It features high efficiency, low quiescent current, and a wide input voltage range. It also has protection features such as thermal shutdown and overcurrent protection. -
Pinout
The SI3402-B-GM is a high-efficiency, dual-output synchronous buck regulator IC with a pin count of 10. It provides two independent output voltages for powering processors in consumer electronics applications. The outputs are adjustable from 0.8V to 5.5V, making it ideal for a wide range of devices. -
Manufacturer
The manufacturer of SI3402-B-GM is Silicon Labs. They are a semiconductor company that designs and manufactures a range of analog-intensive and mixed-signal integrated circuits. They specialize in devices for a variety of applications including industrial automation, consumer electronics, automotive, and communications. -
Application Field
The SI3402-B-GM is typically used in power management and control applications for industrial and consumer devices. It is commonly found in power supplies, battery charging systems, LED drivers, and other electronic devices that require efficient power conversion and regulation. -
Package
The SI3402-B-GM chip is packaged in a 16-pin QFN (Quad Flat No-Lead) form with a size of 3mm x 3mm.
Assembly Advice
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