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UCC28513DWR
Product Overview
Category
UCC28513DWR belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in power management applications.
Characteristics
- UCC28513DWR is a high-performance synchronous rectifier controller.
- It operates at a wide input voltage range, making it suitable for various power supply designs.
- The device incorporates advanced features such as adaptive dead-time control and zero current detection.
- It offers excellent efficiency and reliability in power conversion applications.
Package
UCC28513DWR is available in a standard SOIC-16 package.
Essence
The essence of UCC28513DWR lies in its ability to efficiently control synchronous rectification in power management systems.
Packaging/Quantity
UCC28513DWR is typically sold in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V to 28V
- Output Voltage Range: 0V to 28V
- Maximum Operating Frequency: 1MHz
- Operating Temperature Range: -40°C to +125°C
- Number of Pins: 16
- Control Method: PWM (Pulse Width Modulation)
- Protection Features: Overcurrent, Overvoltage, Undervoltage, Thermal Shutdown
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- VREF: Reference voltage pin
- COMP: Compensation pin
- FB: Feedback pin
- CS: Current sense pin
- SS/TR: Soft-start/Tracking pin
- RT/CT: Timing resistor/capacitor pin
- SYNC: Synchronization pin
- EN: Enable pin
- PGND: Power ground pin
- SW: Switch node pin
- BOOT: Bootstrap pin
- VCC: Supply voltage pin
- SS/TR: Soft-start/Tracking pin
- PGND: Power ground pin
Functional Features
- Adaptive dead-time control for improved efficiency.
- Zero current detection for synchronous rectification.
- Programmable soft-start and tracking functions.
- Overcurrent protection with adjustable threshold.
- Overvoltage and undervoltage protection.
- Thermal shutdown protection.
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile power supply designs.
- High-performance synchronous rectifier controller.
- Advanced features enhance efficiency and reliability.
- Comprehensive protection features ensure system safety.
Disadvantages
- Limited availability in alternative packages.
- May require additional external components for certain applications.
Working Principles
UCC28513DWR operates by controlling the switching of synchronous rectifiers in a power management system. It utilizes pulse width modulation (PWM) to regulate the output voltage. The device incorporates adaptive dead-time control and zero current detection techniques to optimize efficiency and minimize power losses. By monitoring various parameters, such as input voltage and load conditions, UCC28513DWR adjusts its operation accordingly to maintain stable and efficient power conversion.
Detailed Application Field Plans
UCC28513DWR finds application in various power management systems, including but not limited to: - DC-DC converters - AC-DC converters - Battery charging systems - LED lighting drivers - Industrial power supplies
Detailed and Complete Alternative Models
- UCC28512DWR
- UCC28514DWR
- UCC28515DWR
- UCC28516DWR
- UCC28517DWR
These alternative models offer similar functionality and characteristics to UCC28513DWR, providing flexibility in design choices for power management applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC28513DWR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of UCC28513DWR in technical solutions:
Q: What is UCC28513DWR? A: UCC28513DWR is a high-performance synchronous flyback controller IC used in power supply applications.
Q: What are the key features of UCC28513DWR? A: Some key features include wide input voltage range, high efficiency, adjustable switching frequency, and integrated protection features.
Q: What is the typical application of UCC28513DWR? A: UCC28513DWR is commonly used in offline AC-DC power supplies, battery chargers, LED lighting, and other low-power applications.
Q: How does UCC28513DWR achieve high efficiency? A: UCC28513DWR utilizes advanced control techniques like valley switching and frequency foldback to optimize efficiency at light loads.
Q: Can UCC28513DWR operate with both high and low input voltages? A: Yes, UCC28513DWR has a wide input voltage range of typically 4.5V to 65V, making it suitable for various applications.
Q: Is UCC28513DWR capable of providing constant current output? A: Yes, UCC28513DWR supports constant current mode operation, which is useful for driving LEDs or charging batteries.
Q: Does UCC28513DWR have built-in protection features? A: Yes, UCC28513DWR includes features like overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation.
Q: Can UCC28513DWR be synchronized with an external clock source? A: Yes, UCC28513DWR supports synchronization with an external clock to avoid interference with other components in the system.
Q: What is the maximum switching frequency of UCC28513DWR? A: The maximum switching frequency of UCC28513DWR is typically 1 MHz, allowing for compact and efficient designs.
Q: Are there any evaluation boards or reference designs available for UCC28513DWR? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help users quickly prototype their applications using UCC28513DWR.
Please note that the answers provided here are general and may vary depending on specific application requirements and design considerations. It is always recommended to refer to the datasheet and application notes for detailed information.