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TPS54550PWPR
+Lista de MateriaisIC REG BUCK ADJ 6A 16HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54550PWPR
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Pacote 16-HTSSOP
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Em Estoque7110
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Visão Geral
Description
Key features of the TPS54550PWPR include a 300 kHz fixed switching frequency for smaller external components and an adjustable output voltage with a range from 0.8V to 23V, allowing flexibility in design. It also incorporates advanced protection features such as thermal shutdown, cycle-by-cycle current limit, and undervoltage lockout to enhance reliability and performance.
The TPS54550PWPR typically comes in a PowerPAD™ package, which aids in efficient heat dissipation. This regulator is appreciated for its high efficiency, ease of use, and robust performance in a wide range of power management applications.
Equivalent
1. LM2678 from Texas Instruments - A flexible regulator with similar current ratings.
2. LM43603 from Texas Instruments - A 3.5A synchronous step-down regulator.
3. MP1584 from MPS - A 3A step-down regulator, commonly used in similar applications.
4. LM2596 from Texas Instruments - A widely-used buck converter.
When choosing, consider specifications such as input voltage range, output current, and efficiency to ensure compatibility with your application.
Features
1. Input Voltage Range: It supports a wide input voltage range of 5.5 V to 36 V, making it suitable for various applications.
2. Output Current: It can deliver up to 5 A of continuous output current, which is ideal for powering high-demand loads.
3. Efficiency: The device provides high efficiency, typically up to 95%, thanks to its synchronous rectification feature.
4. Adjustable Output Voltage: The output voltage is adjustable from 0.9 V to 5.5 V, providing flexibility for different design requirements.
5. Switching Frequency: It operates at a fixed switching frequency of 500 kHz, balancing size and efficiency.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.
7. Soft-Start Function: Allows for controlled startup to prevent inrush current.
8. Package: Available in a thermally enhanced 20-pin TSSOP (PW) package with PowerPAD, aiding heat dissipation.
These features make the TPS54550PWPR a versatile and robust choice for power supply solutions in industrial, automotive, and consumer electronics.
Pinout
1. VIN: Input voltage supply.
2. SW: Switch node (connected to the inductor).
3. BOOT: Bootstrap capacitor connection.
4. VSENSE: Feedback voltage input.
5. COMP: Compensation for error amplifier.
6. RT/CLK: Sets the switching frequency and can sync to an external clock.
7. EN: Enable pin to turn the device on or off.
8. SS/TR: Soft-start and tracking pin.
9. PWRGD: Power good indicator.
10. GND: Ground connection.
11. VREG5: Internal 5V LDO output, for internal use.
12. PH: Phase node, connected internally to the SW pin.
13. BP: Bypass for the internal 5V LDO.
14. NC: No connection; should be left unconnected.
This converter is designed to provide a high-efficiency solution for powering digital circuits. It is used for applications requiring efficient voltage step-down from higher input voltages.
Manufacturer
Application
1. Telecommunications: Used in base stations, routers, and switches for voltage regulation.
2. Consumer Electronics: Powers devices like TVs, set-top boxes, and gaming consoles.
3. Industrial Equipment: Provides reliable power conversion for automation systems and process controls.
4. Computing: Used in servers and personal computers for efficient power delivery.
5. Automotive: Supports infotainment systems and advanced driver-assistance systems (ADAS).
Its features, such as high efficiency, compact size, and wide input voltage range, make it suitable across these sectors for robust and efficient power supply solutions.