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UCC24612-1DBVR
+Lista de MateriaisSYNC RECTIFIER FLYBACK
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FabricanteTexas Instruments
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Peça do Fabricante #UCC24612-1DBVR
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Pacote SOT-23-5
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Applications | Adapters |
| Voltage - Input | 4V ~ 28V |
| Supply Current | 4 A |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The UCC24612-1DBVR is a high-performance synchronous rectifier (SR) controller manufactured by Texas Instruments. It is designed to improve the efficiency of power converters by replacing traditional diode rectifiers with synchronous rectifiers, effectively reducing power losses. The device is particularly suitable for use in flyback, LLC, and other resonant converter topologies.
Key features of the UCC24612-1 include its ability to drive both MOSFET and GaN transistors, adaptive dead-time control for optimal performance across varying load conditions, and a wide supply voltage range. The controller also offers protection features such as overvoltage, overcurrent, and thermal shutdown, ensuring reliable operation under fault conditions.
The UCC24612-1DBVR is available in a compact SOT-23 package, making it suitable for space-constrained designs. It is ideal for applications in AC-DC adapters, USB power delivery, and industrial power supplies, where efficiency and size are critical. By leveraging this SR controller, designers can achieve higher efficiency, lower thermal dissipation, and improved performance in their power supply designs.
Key features of the UCC24612-1 include its ability to drive both MOSFET and GaN transistors, adaptive dead-time control for optimal performance across varying load conditions, and a wide supply voltage range. The controller also offers protection features such as overvoltage, overcurrent, and thermal shutdown, ensuring reliable operation under fault conditions.
The UCC24612-1DBVR is available in a compact SOT-23 package, making it suitable for space-constrained designs. It is ideal for applications in AC-DC adapters, USB power delivery, and industrial power supplies, where efficiency and size are critical. By leveraging this SR controller, designers can achieve higher efficiency, lower thermal dissipation, and improved performance in their power supply designs.
Equivalent
The UCC24612-1DBVR is a synchronous rectifier controller from Texas Instruments. Equivalent products from other manufacturers include:
1. NCP4305 from ON Semiconductor – Synchronous Rectifier Controller.
2. TEA2095T from NXP Semiconductors – GreenChip Synchronous Rectifier Controller.
3. IR1167 from Infineon – Smart Rectifier Control IC.
4. SRK2001 from STMicroelectronics – Synchronous Rectifier Controller.
These alternatives vary in specific features and configurations, so it's essential to compare datasheets to ensure compatibility with your application.
1. NCP4305 from ON Semiconductor – Synchronous Rectifier Controller.
2. TEA2095T from NXP Semiconductors – GreenChip Synchronous Rectifier Controller.
3. IR1167 from Infineon – Smart Rectifier Control IC.
4. SRK2001 from STMicroelectronics – Synchronous Rectifier Controller.
These alternatives vary in specific features and configurations, so it's essential to compare datasheets to ensure compatibility with your application.
Features
The UCC24612-1DBVR is a synchronous rectifier (SR) controller from Texas Instruments designed to improve the efficiency of flyback power converters. Key features include:
1. High Efficiency: It enhances the efficiency of low-output-voltage power supplies by reducing rectifier losses.
2. Wide Supply Voltage Range: Operates efficiently over a wide input voltage range from 4.5V to 28V.
3. Adaptive Turn-Off Control: Utilizes adaptive turn-off logic to ensure precise switching, minimizing body diode conduction time.
4. Low Standby Power: Designed to reduce power consumption during no-load or light-load conditions, improving overall efficiency.
5. Fast Turn-On and Turn-Off: Ensures rapid transitions to reduce switching losses.
6. Supports Multiple Topologies: Can be used in various converter topologies, including flyback and quasi-resonant flyback converters.
7. Protection Features: Includes over-temperature protection and other fault detection features to enhance reliability.
8. Compact Package: Available in a small SOT-23-6 package, making it suitable for space-constrained applications.
These features make the UCC24612-1DBVR ideal for use in adapters, chargers, and other power supply designs requiring high efficiency and compact size.
1. High Efficiency: It enhances the efficiency of low-output-voltage power supplies by reducing rectifier losses.
2. Wide Supply Voltage Range: Operates efficiently over a wide input voltage range from 4.5V to 28V.
3. Adaptive Turn-Off Control: Utilizes adaptive turn-off logic to ensure precise switching, minimizing body diode conduction time.
4. Low Standby Power: Designed to reduce power consumption during no-load or light-load conditions, improving overall efficiency.
5. Fast Turn-On and Turn-Off: Ensures rapid transitions to reduce switching losses.
6. Supports Multiple Topologies: Can be used in various converter topologies, including flyback and quasi-resonant flyback converters.
7. Protection Features: Includes over-temperature protection and other fault detection features to enhance reliability.
8. Compact Package: Available in a small SOT-23-6 package, making it suitable for space-constrained applications.
These features make the UCC24612-1DBVR ideal for use in adapters, chargers, and other power supply designs requiring high efficiency and compact size.
Pinout
The UCC24612-1DBVR is a Synchronous Rectifier (SR) Controller optimized for flyback converters. It is designed to enhance the efficiency of power conversion by replacing the diode rectifiers in power supplies with a more efficient synchronous rectification approach.
The UCC24612-1DBVR is housed in a SOT-23-6 package, which has a 6-pin count. The pin functions are generally as follows:
1. VDD: This pin is the supply voltage input for the device.
2. GND: The ground reference for the device.
3. DRN (Drain): Connects to the drain of the MOSFET and is used for detecting the voltage to control synchronous rectification.
4. GATE: Drives the gate of the external MOSFET.
5. VS (Voltage Sense): Used to sense the voltage across the MOSFET for the turn-off and turn-on timing.
6. NC (No Connect): Typically not connected to any circuitry.
Please refer to the official datasheet for detailed specifications and for ensuring correct application in your design.
The UCC24612-1DBVR is housed in a SOT-23-6 package, which has a 6-pin count. The pin functions are generally as follows:
1. VDD: This pin is the supply voltage input for the device.
2. GND: The ground reference for the device.
3. DRN (Drain): Connects to the drain of the MOSFET and is used for detecting the voltage to control synchronous rectification.
4. GATE: Drives the gate of the external MOSFET.
5. VS (Voltage Sense): Used to sense the voltage across the MOSFET for the turn-off and turn-on timing.
6. NC (No Connect): Typically not connected to any circuitry.
Please refer to the official datasheet for detailed specifications and for ensuring correct application in your design.
Manufacturer
The UCC24612-1DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic design and applications across various industries. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its development of innovative electronics solutions and components. The company focuses on areas such as analog and embedded processing, offering products that are integral to the functioning of a wide range of electronic devices.
Application
The UCC24612-1DBVR is a synchronous rectifier controller used in power supply systems to improve efficiency by replacing diodes with MOSFETs. Its application areas include:
1. AC/DC Power Supplies: Utilized in adapters and chargers to enhance energy efficiency.
2. Isolated DC/DC Converters: Employed in telecommunications and server power supplies to minimize conduction losses.
3. Industrial Power Systems: Used in various industrial applications to improve power conversion efficiency.
4. Consumer Electronics: Integrated into devices requiring efficient power management to prolong battery life.
These applications benefit from the device's ability to reduce heat generation and enhance overall system performance.
1. AC/DC Power Supplies: Utilized in adapters and chargers to enhance energy efficiency.
2. Isolated DC/DC Converters: Employed in telecommunications and server power supplies to minimize conduction losses.
3. Industrial Power Systems: Used in various industrial applications to improve power conversion efficiency.
4. Consumer Electronics: Integrated into devices requiring efficient power management to prolong battery life.
These applications benefit from the device's ability to reduce heat generation and enhance overall system performance.
Package
The UCC24612-1DBVR is a synchronous rectifier controller from Texas Instruments, available in a SOT-23-6 package. This package type is compact, making it suitable for space-constrained applications.
