TPS54550PWPR

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TPS54550PWPR

IC REG BUCK ADJ 6A 16HTSSOP

  • Manufacturer
  • Mfr. Part #TPS54550PWPR
  • Package 16-HTSSOP
  • Datasheet
  • In Stock2748

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Specifications

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

Overview

Description

The TPS54550PWPR is a step-down (buck) DC-DC converter designed by Texas Instruments. It is part of the TPS54550 series, known for its high efficiency and flexibility in various power management applications. The device operates over an input voltage range of 5.5 V to 36 V, making it suitable for a wide range of input sources, including battery-powered systems and industrial power supplies.
The TPS54550PWPR can deliver an output current of up to 5 A, with an adjustable output voltage range from 0.9 V to 16 V, making it versatile for different load requirements. The integrated high-side MOSFET ensures improved efficiency and reduced board space. It features a fixed switching frequency of 500 kHz, which allows for smaller external components and a compact overall design.
Key features include an adjustable soft-start to control inrush current during power-up, a power-good output to monitor the converter's status, and built-in protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout. Its thermally-enhanced package and efficient design make it ideal for applications that require reliable performance in a compact form factor.

Features

The TPS54550PWPR is a high-performance, step-down (buck) regulator designed by Texas Instruments. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 5.5 V to 36 V, making it versatile for various applications.
2. Output Current: It can deliver up to 5 A of continuous output current.
3. Switching Frequency: The device operates at a fixed switching frequency of 500 kHz, which allows for a good balance between efficiency and size of external components.
4. High Efficiency: It is designed for high efficiency across a wide load range, which is crucial for power-sensitive applications.
5. Soft Start: The device includes an adjustable soft-start feature to control the inrush current during startup.
6. Protection Features: It incorporates various protection mechanisms such as over-current protection, under-voltage lockout, and thermal shutdown for robust performance under fault conditions.
7. Thermal Performance: Packaged in a PowerPAD™ package, it offers enhanced thermal performance, critical for high-power applications.
These features make the TPS54550PWPR suitable for use in applications like industrial power supplies, consumer electronics, and automotive systems where reliable and efficient power conversion is needed.

Package

The TPS54550PWPR is a step-down converter IC from Texas Instruments, packaged in a PowerPAD™ HTSSOP (PWP) package. Specifically, it is a 20-pin HTSSOP package designed to enhance thermal performance through an exposed thermal pad.

Pinout

The TPS54550PWPR is a 20-pin integrated circuit from Texas Instruments. It is a high-performance step-down converter designed for use in various power management applications. Here is a concise overview of its pin count and function:
1. Pin Count:
- The device comes in a 20-pin HTSSOP (PWP) package.
2. Function:
- Input and Output Pins: VIN and VOUT are the primary input and output voltage pins.
- Control Pins: Include EN (enable), COMP (compensation), and SS/ENA (soft start/enabling).
- Feedback Pin: FB is used for output voltage regulation by connecting to a resistive divider from VOUT.
- Switching Pins: SW and BOOT are used in conjunction with an external inductor and diode for efficient voltage conversion.
- GND: Ground pins for the device.
- Other Pins: Include VBIAS, VSENSE, and other pins used for various auxiliary functions.
The TPS54550PWPR is suitable for applications needing efficient power conversion, offering features like adjustable output voltage, high efficiency, and a wide input voltage range.

Manufacturer

The TPS54550PWPR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. Their products are used in a wide array of electronic applications, including consumer electronics, automotive, industrial, and communications equipment. TI is well-known for its innovations in analog technology, embedded processing, and digital signal processing.

Application

The TPS54550PWPR is a DC-DC buck converter suitable for various applications requiring efficient power management. Typical areas include distributed power systems, portable electronics, and industrial power solutions. It is also used in telecommunications infrastructure, consumer electronics, and automotive systems where reliable power conversion is essential. The device's ability to handle input voltages up to 36V and deliver an output current of 5A makes it ideal for powering microcontrollers, FPGAs, and other digital and analog circuits.

Equivalent

The TPS54550PWPR is a step-down DC-DC converter from Texas Instruments. Equivalent products could include the LM2678 from Texas Instruments, the LM2576 from Texas Instruments, the LMR33630 from Texas Instruments, the LT8610 from Analog Devices, and the MP1584 from MPS (Monolithic Power Systems). When selecting an equivalent, ensure that voltage, current ratings, and features match your application requirements.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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