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TPS5450QDDARQ1
+Lista de MateriaisIC REG BUCK ADJUSTABLE 5A 8SOPWR
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FabricanteTexas Instruments
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Peça do Fabricante #TPS5450QDDARQ1
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Pacote SOIC-8
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Em Estoque6705
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100, SWIFT™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 5.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 1.221V |
| Voltage - Output (Max) | 32.04V |
| Current - Output | 5A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The TPS5450QDDARQ1 features high efficiency and fast transient response due to its advanced control techniques. The device incorporates a variety of protection features, including overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable operation. It operates at a fixed frequency, minimizing noise in sensitive automotive environments.
Packaged in a thermally enhanced PowerPAD™ SOIC-8 (Small Outline Integrated Circuit) package, the TPS5450QDDARQ1 provides excellent thermal performance, essential for high-current applications. Its design simplifies system design and reduces component count, offering a compact and cost-effective solution for automotive power systems.
Equivalent
1. LM2596 from Texas Instruments
2. LM2678 from Texas Instruments
3. LMR33630 from Texas Instruments
4. MP1584 from Monolithic Power Systems
5. LM2576 from Texas Instruments
6. L4970A from STMicroelectronics
These alternatives vary in specifications, so it's essential to check the exact requirements for a suitable replacement.
Features
1. Wide Input Voltage Range: Operates from 5.5V to 36V, making it suitable for automotive and industrial applications.
2. Output Current: Delivers up to 5A of continuous output current.
3. High Efficiency: Achieves high efficiency across a broad load range, optimizing power usage.
4. Adjustable Output Voltage: Provides adjustable output voltage from 1.22V to 32V.
5. Fixed Switching Frequency: Operates at a fixed 500kHz frequency, allowing for small external components and compact design.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
7. Thermal Performance: Designed for good thermal performance in demanding environments.
8. Automotive Qualified: Meets AEC-Q100 standards for automotive applications.
9. Compact Package: Available in an 8-pin SOIC package, facilitating easy integration into various designs.
These features make the TPS5450QDDARQ1 an ideal choice for applications requiring efficient, reliable power conversion in challenging environments.
Pinout
1. BOOT: Bootstrap capacitor connection for the high-side FET driver.
2. VIN: Input voltage supply, where the input power is provided.
3. EN: Enable pin. Used to enable or disable the device.
4. VSENSE: Feedback voltage input. Connect to the output voltage to regulate.
5. COMP: Compensation pin used to stabilize the control loop.
6. GND: Ground connection for the device.
7. PH: The switch node that connects to the inductor and output.
8. PWRPAD: Thermal pad for heat dissipation, typically connected to ground.
This configuration allows the TPS5450QDDARQ1 to efficiently step down voltages in automotive systems, providing a regulated output suitable for various electronic loads.