Vishay SI9120DY
Compact and efficient BCDMOS switching regulator/controller operating at a maximum switching frequency of 1000kHz





Brands: Vishay
Mfr.Part #: SI9120DY
Datasheet: SI9120DY Datasheet (PDF)
Package/Case: SOIC-Narrow-16
Product Type: AC DC Converters, Offline Switches
RoHS Status:
Stock Condition: 1,289 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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SI9120DY General Description
The SI9120DY from Silicon Labs is a top-notch dual-channel gate driver IC that boasts high-speed performance and low-side functionality. With a focus on driving N-channel MOSFETs and IGBTs, this IC is a powerhouse for applications such as motor control, power supplies, and inverters. Its wide operating voltage range of 4.5V to 15V makes it a versatile choice for various power supply designs, catering to a wide range of project requirements

Features
- High-efficiency operation with minimal heat generation
- Integrated current limit prevents damage to motors or drivers
- Advanced thermal management for reliable performance
- Safe and reliable operation in harsh environments
Application
- Compact size
- Easy to integrate
- Reliable performance
Specifications
Parameter | Value | Parameter | Value |
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Regulator Topology | Flyback, Forward, Push-Pull | Number of Outputs | 1 Output |
Switching Frequency | 1 MHz | Duty Cycle - Max | 50 % |
Output Voltage | 9.7 V | MAX Output Current | 125 mA |
Minimum Operating Temperature (°C) | - 40 | Maximum Operating Temperature (°C) | + 85 |
Mounting Style | SMD/SMT | Fall Time | 75 ns |
Current @ Pmpp | 1.5 mA | Collector-Emitter Saturation Voltage | 9.5 V to 13.5 V |
Rise Time | 40 ns | Factory Pack Quantity | 50 |
Manufacturer Type | Current Mode PWM Controllers | Unit Weight | 0.019312 oz |
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 SI9120DY?
A: To place an order for the SI9120DY, 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 SI9120DY?
A: We offer a 1-year warranty on the SI9120DY. 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 SI9120DY from Vishay?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Vishay manufacturers and authorized agents. All Vishay suppliers must pass a qualification review before they can list their SI9120DY 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 SI9120DY 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 Vishay information page to find comprehensive details about the SI9120DY.
Q: Are the price and stock information for SI9120DY on Ovaga's platform accurate?
A: Inventory levels for Vishay 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 SI9120DY?
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 SI9120DY?
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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The SI9120DY is a high-performance switching regulator controller designed by Vishay. Key features include a MOS differential input stage for high impedance, an external resistor-controlled oscillator, shutdown and reset functions, and a SOICNarrow-16 package. This device finds applications in various scenarios, such as customizable options, efficient power management, and industry-leading innovation. Its versatility makes it suitable for quick installation, cost-effective solutions, and seamless operation across different industries.
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Equivalent
The SI9120DY is a switching regulator controller from Vishay. Equivalent products might include other Vishay or similar manufacturers' current-mode regulators with similar features, like high input impedance and low power consumption. -
Features
The SI9120DY is a high-performance switching regulator/controller from Vishay. Key features include:
High Input Impedance: MOS differential input stage ensures low signal loss.
Current-Mode Operation: Enhances loop stability and control accuracy.
0.01A to 1000kHz Switching Freq Range: Supports a wide range of applications.
Shutdown/Reset Functionality: Allows for power-saving modes or system reset.
Robust Construction: Ensures reliable performance even under demanding conditions. Remember to validate the suitability of this device for specific application requirements by consulting technical experts. -
Pinout
The SI9120DY, a switching regulator controller from Vishay, has a pin count of 1
The functions are as follows:
VDD: Power input (3.0V to 5.5V)).
EN: Enable signal (low active).
SHDN: Shutdown control (high = shutdown, low = normal operation).
RST: Reset signal (low pulse resets the device). 5-8: ADC: Analog-to-digital converter input pins. 9-12: M0/M1: MOSFET output drivers (M0 for low-side and M1 for high-side). Ensure proper pinout connections according to the datasheet specifications. -
Manufacturer
The SI9120DY is manufactured by Vishay, a global semiconductor company known for its wide range of electronic components. Vishay operates as a business-to-business (B2B) entity, serving the needs of various industries with precision technology solutions. -
Application Field
The SI9120DY is a versatile switching regulator controller designed for high efficiency power management in applications such as embedded systems, portable electronics, and renewable energy systems. Its features include a robust input stage, flexible oscillator settings, and shutdown/reset functions. -
Package
The SI9120DY has a Package type of SOIC Narrow-16.
Assembly Advice
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