TPS54541DPRR

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TPS54541DPRR

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規格

Package Tape & Reel (TR),Cut Tape (CT)
Series Eco-Mode™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck, Split Rail
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 42V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 41V
Current-Output 5A
Frequency-Switching 100kHz ~ 2.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 10-WDFN Exposed Pad

概述

Description

The TPS54541DPRR is a DC-DC buck converter from Texas Instruments, designed to provide a high-efficiency power management solution. It is part of the SWIFT™ family, optimized for automotive and industrial applications. This device supports an input voltage range from 5.5V to 42V and delivers up to 5A of continuous output current, making it suitable for wide-ranging applications.
Key features include a high-side MOSFET, enabling a high conversion efficiency of up to 95%, and an adjustable output voltage using a resistor divider network. The TPS54541DPRR operates at a fixed 500kHz frequency, which allows the use of smaller external components, reducing overall solution size. It also includes features such as cycle-by-cycle current limit, thermal shutdown protection, and an adjustable soft-start to manage inrush currents.
The device is housed in a thermally-enhanced 8-pin PowerPAD™ package, ensuring efficient heat dissipation. This buck converter is ideal for powering microprocessors, DSPs, and other digital loads, offering a reliable and compact power conversion solution with robust protection features.

Features

The TPS54541DPRR is a step-down DC-DC converter designed for high efficiency and performance. Key features include:
1. Input Voltage Range: Operates from 5.5V to 42V, making it suitable for a wide range of applications.
2. Output Current: Delivers up to 5A continuous output current.
3. Switching Frequency: Adjustable frequency from 100 kHz to 2.5 MHz, allowing for flexibility in noise management and component size optimization.
4. Efficiency: High efficiency due to a synchronous rectification architecture.
5. Protection Features: Includes undervoltage lockout, overcurrent protection, and thermal shutdown for enhanced reliability.
6. Soft Start: Programmable soft start to limit inrush current during power-up.
7. Thermal Performance: Thermally enhanced 10-pin WSON package for improved heat dissipation.
8. Compensation: External compensation offers the flexibility to optimize the loop response and transient performance.
9. Size: Compact design, suitable for space-constrained applications.
These features make the TPS54541DPRR a versatile choice for industrial, automotive, and consumer electronics requiring robust power management solutions.

Package

The TPS54541DPRR is a DC-DC buck converter from Texas Instruments, available in the 10-pin PowerPAD™ HSOP package, known as DPR. This package provides enhanced thermal performance and is suitable for compact, high-efficiency power management solutions.

Pinout

The TPS54541DPRR is a step-down (buck) converter IC from Texas Instruments, designed to provide efficient power regulation. It comes in a 10-pin (VSON) package. The basic pin functions are:
1. VIN: Power input voltage.
2. EN: Enable pin to turn the device on or off.
3. BOOT: Bootstrap capacitor connection for driving the high-side FET.
4. SW: Switch node connection to the inductor.
5. GND: Ground pin.
6. VSENSE: Feedback voltage input to regulate output voltage.
7. COMP: Compensation pin for stability and transient response.
8. RT/CLK: Resistor timing or external clock input for setting the switching frequency.
9. SS/TR: Soft start or tracking input to control rise time of output voltage.
10. BIAS: Provides power to internal circuitry and can be used for higher efficiency.
This configuration ensures efficient power conversion with added features like soft start, synchronization, and protection for various applications. Always consult the datasheet for detailed functionality and application notes.

Manufacturer

The TPS54541DPRR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. TI is known for its innovation in electronics, providing solutions for industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is a leader in developing technology that helps to manage power, sense and control environmental parameters, convert signals, and connect systems seamlessly.

Application

The TPS54541DPRR is a DC-DC buck converter used in various applications including telecommunications, industrial automation, consumer electronics, and automotive systems. It is suitable for point-of-load power supplies, distributed power systems, and battery-powered devices, offering efficient power conversion for microprocessors, ASICs, and FPGAs. Its wide input voltage range and robust performance make it ideal for harsh environments and applications requiring reliable power management.

Equivalent

The TPS54541DPRR is a 5.5A, 42V step-down DC-DC converter from Texas Instruments. Equivalent products may include:
1. LMR33630 from Texas Instruments: A 3A, 36V synchronous step-down converter.
2. MP2459 from Monolithic Power Systems: A 5A, 42V step-down regulator.
3. LT8609 from Analog Devices: A 2A, 42V synchronous step-down regulator.
4. LM2675 from Texas Instruments: A 1A, 40V step-down switching regulator.
These alternatives should be considered based on specific design requirements such as current rating, efficiency, and package type.

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