TPS40054PWPR

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TPS40054PWPR

IC REG CTRLR BUCK 16HTSSOP

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規格

Part Status Not For New Designs
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 8V ~ 40V
Frequency - Switching Up to 1MHz
Duty Cycle (Max) 94%
Synchronous Rectifier Yes
Clock Sync Yes
Control Features Current Limit, Enable, Frequency Control, Soft Start
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-HTSSOP
Base Product Number TPS40054

概述

Description

The TPS40054PWPR is a high-performance, step-down (buck) DC-DC converter designed by Texas Instruments. It is capable of delivering high efficiency and adjustable output voltages, making it suitable for a variety of applications, including consumer electronics, industrial power supplies, and telecommunications. The device operates over a wide input voltage range, typically from 4.5 V to 17 V, and provides a maximum output current of 5 A.
Key features include an integrated power switch, a programmable output voltage from 0.8 V to 5 V, and advanced protection mechanisms such as overcurrent protection and thermal shutdown. The TPS40054 also supports synchronous rectification, which enhances efficiency and reduces power losses. Its compact package and ease of use make it ideal for space-constrained designs.
Overall, the TPS40054PWPR is an excellent choice for designers looking for a reliable and efficient solution for converting higher DC voltages into lower ones within a wide range of applications.

Features

The TPS40054PWPR is a high-performance, step-down DC-DC converter designed for various applications requiring efficient voltage regulation. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V.
2. Output Current Capability: Supports up to 5A output current.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 10V, allowing flexibility for different applications.
4. Integrated Switches: Contains integrated power MOSFETs to minimize external component count and improve efficiency.
5. High Efficiency: Offers high efficiency up to 95%, reducing thermal management needs.
6. PWM Control: Utilizes pulse-width modulation (PWM) for stable output and transient response.
7. Soft Start: Provides soft start functionality to limit inrush current during startup.
8. Overcurrent Protection: Features built-in overcurrent protection to safeguard against excessive current conditions.
9. Thermal Shutdown: Includes thermal protection to prevent overheating.
These features make the TPS40054PWPR suitable for applications like power supplies for communication equipment, industrial control, and embedded systems.

Package

The TPS40054PWPR is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package) type.

Pinout

The TPS40054PWPR is a step-down (buck) voltage regulator from Texas Instruments. It has a pin count of 28.
Key functions of its pins include:
1. VIN: Input voltage supply.
2. SW: Switch node connection.
3. GND: Ground reference.
4. COMP: Compensation network connection for stability.
5. FB: Feedback voltage sensing for regulation.
6. VOUT: Output voltage.
7. RT: Timing resistor for setting the switching frequency.
8. SS: Soft start for controlling startup time.
9. SYNC: Synchronization input for frequency synchronization.
10. PG: Power good output, indicating proper operation.
11. ILIM: Current limit setting.
12. EN: Enable pin to turn on/off the regulator.
13. CSN/ CSP: Current sense inputs for overcurrent protection.
14. TR/ADJ: Tracking or adjustable output voltage.
The TPS40054PWPR is designed for high efficiency and performance in power management applications.

Manufacturer

The TPS40054PWPR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of semiconductor products, including analog devices, embedded processors, and digital signal processors. Founded in 1930, TI is renowned for its innovation in technology and its extensive portfolio of products used in various applications such as automotive, industrial, communications, and consumer electronics. The company is also known for its commitment to research and development, thereby driving advancements in the semiconductor industry.

Application

The TPS40054PWPR is a versatile DC-DC buck regulator used in various applications, including power supplies for telecommunications, networking equipment, industrial automation, and automotive systems. It efficiently converts high input voltages to lower output levels, making it suitable for powering processors, FPGAs, and other digital circuits. Its features support applications that require high efficiency, precise voltage regulation, and compact design.

Equivalent

The TPS40054PWPR is a voltage mode PWM controller for DC-DC converters. Equivalent products include the LM25118 from Texas Instruments, the LTC3777 from Analog Devices, and the MAX14942 from Maxim Integrated. These alternatives provide similar functionalities, such as high-efficiency power conversion and adjustable output voltage characteristics. Always check specific electrical characteristics and application requirements for compatibility.

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