사양
| 속성 | 가치 |
| 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 |
개요
Description
The TPS54550PWPR is a high-efficiency, step-down (buck) voltage regulator from Texas Instruments. It is part of the SWIFT™ family, designed to convert a higher input voltage to a lower output voltage with an output current capability of up to 5A. The device operates with an input voltage range from 5.5V to 36V, making it suitable for a variety of applications including industrial power systems, distributed power architectures, and battery-powered equipment.
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.
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
The TPS54550PWPR is a step-down voltage regulator from Texas Instruments. Equivalent products might include:
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.
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
The TPS54550PWPR is a step-down DC-DC converter from Texas Instruments with several key 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.
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
The TPS54550PWPR is a step-down (buck) converter integrated circuit from Texas Instruments. It typically comes in a 20-pin HTSSOP (PWP) package. The pin functions include:
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.
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
The TPS54550PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and systems. The company is well-known for its development and manufacturing of analog chips and embedded processors, serving a broad array of industries including automotive, industrial, personal electronics, communications, and enterprise systems. Founded in 1930 and headquartered in Dallas, Texas, TI has a long history of innovation in the electronics sector, contributing to advancements in technology with a focus on efficient power management, wireless connectivity, and advanced sensing solutions. TI's products are integral to countless applications and help enable the technologies that are used in everyday life.
Application
The TPS54550PWPR is a DC-DC buck converter designed for applications requiring efficient power management. Key application areas include:
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.
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.
Package
The TPS54550PWPR is a Texas Instruments switch mode power supply integrated circuit, and it comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. The "PWPR" denotes a specific packaging variant that includes a PowerPAD for enhanced thermal performance.
