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TPS54550PWP
+NomenclatureIC REG BUCK ADJ 6A 16HTSSOP
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FabricantTexas Instruments
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Pièce fabricant #TPS54550PWP
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Package PowerTSSOP-16
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En stock7702
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Spécifications
| Attribut | Valeur |
| Package | Bulk,Tube |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 0.891V |
| Voltage-Output(Max) | 17.2V |
| Current-Output | 6A |
| Frequency-Switching | 250kHz, 500kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-PowerTSSOP (0.173, 4.40mm Width) |
Présentation
Description
Operating over a wide input voltage range of 4.5V to 20V, the TPS54550PWP supports an adjustable output voltage via an external resistor divider, allowing for design flexibility. The device operates with a fixed frequency of 500 kHz, which helps in reducing the size of external components and achieving a compact power supply solution.
Key features include high efficiency, fast transient response, and an internal compensation network, which simplifies design and minimizes external component requirements. It also includes a range of protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable operation under various conditions.
Packaged in a thermally enhanced PowerPAD™ package, the TPS54550PWP is well-suited for applications requiring efficient and compact power solutions.
Equivalent
1. LM2676 from Texas Instruments
2. LM2596 from Texas Instruments
3. LM2675 from Texas Instruments
4. MP1584 from Monolithic Power Systems
These alternatives depend on specific requirements like input/output voltage, current, and additional features. Always verify specifications to ensure compatibility.
Features
1. Input Voltage Range: It supports a wide input voltage range from 5.5V to 36V, making it suitable for various applications.
2. Output Current: Delivers up to 5 A of continuous output current for robust power applications.
3. Efficiency: High efficiency, typically up to 95%, which helps in minimizing heat dissipation and improving performance.
4. Switching Frequency: Adjustable switching frequency from 250 kHz to 700 kHz, allowing flexibility in design and component selection.
5. Soft-Start Capability: Incorporates a programmable soft-start feature to control inrush current and ensure a smooth power-up sequence.
6. Protection Features: Includes over-current protection, thermal shutdown, and undervoltage lockout for reliable operation.
7. Package: Offered in a 20-pin HTSSOP (PWP) package, optimizing space in compact designs.
These features make the TPS54550PWP suitable for applications like industrial power systems, consumer electronics, and distributed power architectures.
Pinout
The TPS54550PWP is designed to convert a higher input voltage (up to 36V) to a lower output voltage (adjustable from 0.8V to 23V) with a continuous output current capability of up to 5A. Key features include high efficiency, adjustable switching frequency, thermal shutdown protection, and current mode control for fast transient response. The device is commonly used in applications requiring efficient power management, such as in computers, networking equipment, and other electronic systems.
Manufacturer
Application
1. Telecommunications: For stable power supply in networking equipment.
2. Industrial Automation: Used in controllers and instrumentation for robust power conversion.
3. Consumer Electronics: Powers circuits in devices such as set-top boxes and home audio systems.
4. Automotive Systems: Supports infotainment and other electronic systems requiring reliable power.
5. Computing and Storage: Ensures efficient power distribution in computer servers and storage solutions.
Its high efficiency and wide input voltage range make it versatile for these and other power-sensitive applications.