TPS54550PWP

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TPS54550PWP

IC REG BUCK ADJ 6A 16HTSSOP

  • Fabricant
  • Mfr. Partie #TPS54550PWP
  • Paquet PowerTSSOP-16
  • Fiche de données
  • En stock6296

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Spécifications

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)

Vue d'ensemble

Description

The TPS54550PWP is a step-down (buck) DC-DC converter developed by Texas Instruments. It is designed to efficiently convert a higher input voltage to a lower output voltage with high efficiency, suitable for use in a variety of power supply applications. The device can handle an input voltage range from 5.5V to 36V and produce an output current of up to 5A, making it versatile for use in systems with substantial power requirements.
Key features of the TPS54550PWP include a high switching frequency of up to 500 kHz, which allows for the use of smaller external components, thereby reducing board space. It also includes an integrated high-side MOSFET, simplifying the design and minimizing the need for additional components. The converter also provides features like internal soft-start, overcurrent protection, and thermal shutdown to enhance reliability and protect against potential faults.
The TPS54550PWP is typically used in a wide array of applications, including industrial power systems, telecommunications, and consumer electronics, where efficient and reliable power conversion is crucial. Its thermal performance and efficiency make it suitable for space-constrained and demanding environments.

Features

The TPS54550PWP is a step-down (buck) converter from Texas Instruments, designed to provide efficient power management solutions. Key features include:
1. Input Voltage Range: 5.5V to 36V, making it suitable for a wide range of applications.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Fixed Frequency: Operates at a 500 kHz fixed switching frequency, which helps in reducing the size of external components.
4. Efficiency: High efficiency across a wide load range due to its synchronous rectification feature.
5. Adjustable Output Voltage: Output voltage can be adjusted from 0.8V to 30V using an external resistor divider.
6. Soft-Start Capability: Integrated soft-start feature to limit inrush current during startup.
7. Protection Features: Includes overcurrent, overvoltage, and thermal shutdown protection to enhance safety and reliability.
8. Synchronization Capability: Can be synchronized to an external clock for optimized frequency management.
9. Package: Available in a thermally enhanced 20-pin HTSSOP package, which assists in better heat dissipation.
These features make the TPS54550PWP suitable for a variety of applications including industrial, automotive, and communication systems.

Package

The TPS54550PWP is a DC-DC buck converter from Texas Instruments. It is housed in a 20-pin PowerPAD HTSSOP (PWP) package, which provides efficient heat dissipation and compact size for surface mounting.

Pinout

The TPS54550PWP is a step-down switching regulator from Texas Instruments, designed for high-efficiency power conversion applications. It comes in a PowerPAD™ HTSSOP (PWP) package. The TPS54550PWP has a total of 20 pins.
Key functions of the TPS54550 include:
1. VIN: Input supply voltage pin.
2. EN: Enable pin, used to turn the device on or off.
3. RT/CLK: Sets the switching frequency and can synchronize to an external clock.
4. VSENSE: Feedback pin for regulating the output voltage.
5. COMP: Compensation pin for loop stability.
6. BOOT: Bootstrap pin for driving the high-side FET.
7. SW: Switch node pin for connecting the inductor.
8. GND: Ground reference pin.
9. PWRGD: Power good indicator pin.
10. SS/TR: Soft-start and tracking pin.
The additional pins are used for various internal functions and connections necessary for the device's operation. The TPS54550PWP is capable of delivering up to 5 A of continuous output current, making it suitable for numerous power management applications.

Manufacturer

The TPS54550PWP is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company headquartered in Dallas, Texas. It is one of the largest semiconductor companies in the world, specializing in designing and manufacturing analog and embedded processing chips. The company's products are used in a wide range of applications, including industrial, automotive, personal electronics, communications, and enterprise systems. TI is known for its innovation and leadership in the semiconductor industry, focusing on developing integrated circuits and other electronic components that help customers solve complex technological challenges.

Application

The TPS54550PWP is a DC-DC buck converter commonly used in applications requiring efficient power management. Its application areas include telecommunications, industrial systems, automotive electronics, and consumer electronics. It is ideal for powering microcontrollers, FPGAs, DSPs, and other digital circuits due to its high efficiency, wide input voltage range, and robust output current capability. Additionally, it's suitable for distributed power systems and point-of-load power supplies.

Equivalent

Equivalent products to the TPS54550PWP, a 5A step-down converter from Texas Instruments, include:
1. LM2678 - Texas Instruments: A 5A step-down voltage regulator.
2. LM22675 - Texas Instruments: A 5A SIMPLE SWITCHER® step-down voltage regulator.
3. LT1765 - Analog Devices: A 5A, 1.25MHz step-down regulator.
4. MP1584 - Monolithic Power Systems: A 3A step-down converter (less current, smaller package).
Always verify specifications and pin compatibility in the datasheet before substituting.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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