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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: Switching Controllers
RoHS Status:
Stock Condition: 9458 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomSI9120DY General Description
The SI9120DY is a dual-channel, high-speed, low-side gate driver IC (Integrated Circuit) manufactured by Silicon Labs. It's specifically designed for driving N-channel MOSFETs and IGBTs in applications like motor control, power supplies, and inverters. Key features include a wide operating voltage range (4.5V to 15V), making it suitable for various power supply designs. It also offers high peak output current capability (up to 1.5A per channel) and fast switching speeds, enabling efficient power switching in high-frequency applications.The device incorporates protection features such as undervoltage lockout (UVLO), over-temperature shutdown (OTS), and programmable dead time to prevent shoot-through current and enhance system reliability. With its compact and thermally enhanced package (SOIC-8), the SI9120DY facilitates easy integration into space-constrained designs while ensuring effective thermal management.
Features
- Integrated circuit designed for controlling brushless DC motors
- Wide operating voltage range of 8V to 100V
- Capable of driving up to 1A continuous current
- Internal comparator for overcurrent protection
- Temperature protection and shutdown feature
- Interlocking logic prevents shoot-through in motor control applications
Application
- Automotive industry for engine management systems
- Industrial automation for motor control applications
- Power management systems for efficient energy conversion
- Telecommunications equipment for power supply management
- Home appliances for control and monitoring systems
- Medical devices for power regulation and monitoring
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Category | Switching Controllers | RoHS | N |
| Topology | Flyback, Forward, Push-Pull | Number of Outputs | 1 Output |
| Switching Frequency | 1 MHz | Duty Cycle - Max | 50 % |
| Output Voltage | 9.7 V | Output Current | 125 mA |
| Minimum Operating Temperature | - 40 C | Maximum Operating Temperature | + 85 C |
| Mounting Style | SMD/SMT | Package / Case | SOIC-Narrow-16 |
| Brand | Vishay / Siliconix | Fall Time | 75 ns |
| Operating Supply Current | 1.5 mA | Operating Supply Voltage | 9.5 V to 13.5 V |
| Product Type | Switching Controllers | Rise Time | 40 ns |
| Factory Pack Quantity | 50 | Subcategory | PMIC - Power Management ICs |
| Type | Current Mode PWM Controllers |
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 4.0% 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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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The SI9120DY chip is a high-voltage, half-bridge MOSFET driver designed for automotive applications. It integrates protection features like overcurrent and overtemperature sensing, ensuring safe operation in harsh environments. With a compact design and robust performance, it facilitates efficient power management in automotive systems.
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Equivalent
Equivalent products to the SI9120DY chip include Texas Instruments' TPS65010 and ON Semiconductor's NCP161. These ICs offer similar functionality for power management applications, providing voltage regulation and protection features. -
Features
SI9120DY features include a wide input voltage range of 2.9V to 18V, low dropout voltage of 460mV at 3.0A output current, adjustable output voltage, thermal shutdown protection, overcurrent and short circuit protection, and high efficiency up to 88%. It is suitable for various applications requiring high current capability and minimal power loss. -
Pinout
The SI9120DY is a dual synchronous buck controller with integrated drivers. It has a pin count of 16 and its functions include providing power to multiple output rails in a synchronous buck configuration, with features like adjustable frequency, soft-start, and overcurrent protection. -
Manufacturer
The SI9120DY is manufactured by Silicon Laboratories Inc., a fabless semiconductor company based in Austin, Texas. They design and manufacture a wide range of silicon, software and solutions for various industries, including IoT, automotive, industrial and communications. Silicon Laboratories is known for its focus on innovation, quality and customer service in the semiconductor industry. -
Application Field
The SI9120DY is typically used in power management applications, particularly in DC-DC converters, battery chargers, and power supplies. It's known for its efficiency, reliability, and integrated features like overvoltage protection and thermal shutdown. -
Package
The SI9120DY chip comes in a dual in-line package (DIP), with a surface mount form factor. Its size typically measures around 300 mil.
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