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UCC28951QPWRQ1
+Lista de MateriaisIC REG CTRLR FULL-BRIDGE 24TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #UCC28951QPWRQ1
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Pacote TSSOP-24
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Em Estoque5543
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Output Type | Transistor Driver |
| Output Configuration | Positive |
| Topology | Full-Bridge |
| Number of Outputs | 6 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 17V |
| Frequency - Switching | Up to 1MHz |
| Duty Cycle(Max) | 95% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The UCC28951QPWRQ1 operates over a wide input voltage range and can handle output power levels typical in automotive and industrial environments. It comes equipped with protections such as overcurrent, undervoltage lockout, and overtemperature, ensuring reliable performance. The device is packaged in a thermally enhanced 20-pin TSSOP, making it suitable for space-constrained applications.
Overall, the UCC28951QPWRQ1 offers precise control, high efficiency, and robustness, making it ideal for demanding power management tasks in automotive and industrial sectors.
Equivalent
1. UCC28950 by Texas Instruments - A non-Q1 version with similar functionality.
2. LTC3769 by Analog Devices - A similar full-bridge controller with voltage mode control.
3. ISL6753 by Renesas - A PWM controller for full-bridge applications.
Always verify specific requirements like pin configuration, feature set, and thermal ratings when considering alternatives.
Features
1. Synchronous Rectification: Optimizes efficiency by controlling synchronous rectifiers.
2. Adaptive Delay: Automatically adjusts timing between primary and secondary switches to minimize losses.
3. Peak Current Mode Control: Enhances loop response and provides overcurrent protection.
4. Programmable Dead Time: Allows fine-tuning of system performance by setting delays between switching events.
5. Comprehensive Protection: Includes features like overvoltage, undervoltage, and overtemperature protection.
6. Wide Input Voltage Range: Supports a broad range of input voltages for versatile application.
7. Gate Drive Outputs: Provides powerful drive capability to switch the power MOSFETs effectively.
8. Soft Start: Reduces inrush current during startup to protect components.
9. High-Frequency Operation: Capable of operation at high switching frequencies, which reduces size and cost of passive components.
This controller is suitable for applications like automotive power systems, telecom power supplies, and industrial power converters, providing high efficiency and reliability.
Pinout
1. Phase-Shifted Full-Bridge Control: Enables zero-voltage switching (ZVS) to improve efficiency.
2. Programmable Dead-Time: Allows optimization of dead-time for efficiency and performance.
3. Voltage Mode Control: Provides precise output voltage regulation.
4. Current Sense and Limit: Protects against overcurrent conditions.
5. Programmable Soft Start: Controls startup to prevent inrush currents.
6. Synchronizable Oscillator: Permits synchronization with an external clock for improved system management.
7. Adaptive Delay: Optimizes timing based on operating conditions for better efficiency.
8. Fault Protection: Includes overvoltage, undervoltage, and overcurrent protections.
These features make the UCC28951QPWRQ1 suitable for applications requiring high efficiency and reliability, such as telecom and server power supplies.
Manufacturer
Application
1. Telecommunications: Providing efficient power conversion for telecom equipment.
2. Server and Data Centers: Enhancing power efficiency and management in server and data storage systems.
3. Industrial Power Systems: Used in industrial applications requiring reliable and robust power management.
4. Automotive: Suitable for automotive power supply systems, especially in hybrid and electric vehicles.
5. Consumer Electronics: Powers high-performance consumer electronics requiring efficient energy management.
Its features, such as active clamp reset and adaptive zero voltage switching, contribute to high efficiency and reduced electromagnetic interference in these applications.