TPS5904

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TPS5904

Optically Isolated Amplifiers Opto-Isolated Feedback Amplifier (Ctr = 100% To 400%) Power Management IC (PMIC) 8-PDIP

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Übersicht

Description

The TPS5904 is a high-performance synchronous step-down (buck) regulator designed by Texas Instruments. It is primarily used in applications requiring efficient power conversion with a low output voltage, such as powering processors, FPGAs, and other digital devices. The device supports an input voltage range of 4.5V to 17V and can deliver up to 4A of output current.
Key features include adjustable output voltage down to 0.8V, an integrated power switch for reduced component count, and advanced control techniques for improved transient response. The TPS5904 also includes built-in protections such as overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation.
With its high efficiency, typically up to 95%, and minimal external components required, the TPS5904 is suitable for space-constrained applications. It offers a flexible solution for designers looking to optimize power management in various electronic systems.

Features

The TPS5904 is a high-performance, synchronous step-down (buck) power module designed for efficient voltage regulation. Key features include:
1. Input Voltage Range: 4.5V to 17V, suitable for various power sources.
2. Output Current: Up to 4A continuous current, ideal for powering processors and FPGAs.
3. Adjustable Output Voltage: Programmable from 0.8V to 5V, allowing flexibility in design.
4. High Efficiency: Offers efficiencies up to 95%, minimizing heat generation and improving thermal performance.
5. Overcurrent Protection: Integrated protection features to safeguard against overload conditions.
6. Thermal Shutdown: Protects the device from overheating during heavy loads.
7. Phase Interleaving: Supports multi-phase operation for improved transient response and reduced output ripple.
8. Small Package Size: Available in a compact QFN package, facilitating space-constrained designs.
These features make the TPS5904 suitable for advanced applications in consumer electronics, communication systems, and industrial equipment.

Package

The TPS5904 is available in a VQFN (Very Thin Quad Flat No-lead) package, specifically in a 4mm x 4mm size. This package type facilitates efficient thermal performance and compact design for power management applications.

Pinout

The TPS5904 is a power management IC with a pin count of 16. It is designed for step-down (buck) voltage regulation. Key functions of the TPS5904 include:
1. Input Voltage Range: It operates from 4.5V to 17V.
2. Output Voltage: It supports adjustable output voltage down to 0.8V.
3. Current Sensing: Integrated current sensing for overcurrent protection.
4. Frequency Options: Allows for adjustable switching frequency, typically between 300 kHz and 1.5 MHz.
5. Power Good Indicator: A power good output to signal when the output voltage is within the specified range.
6. Soft Start: Features a soft-start function to minimize inrush current.
7. Thermal Protection: Includes thermal shutdown to prevent overheating.
The pin configuration facilitates easy integration into various applications, making it suitable for powering processors and other digital components.

Manufacturer

The TPS5904 is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments designs and manufactures a broad range of analog and embedded processing chips. The company is known for its innovations in various sectors, including automotive, industrial, communications, and consumer electronics. TI focuses on providing high-performance analog and digital signal processing solutions, and it is recognized for its commitment to quality and reliability in the semiconductor industry.

Application

The TPS5904 is a synchronous buck converter primarily used in applications such as powering processors and FPGAs, as well as in servers, telecommunications, and industrial equipment. It is suitable for point-of-load voltage regulation, enabling efficient power management in devices requiring high current output and precise voltage control. Its features make it ideal for use in portable electronics, automotive systems, and consumer electronics where compact, efficient power solutions are essential.

Equivalent

Equivalent products to the TPS5904 chip include the LM25119, TPS51200, and the TPS51215. These alternatives also serve as synchronous step-down power controllers and are designed for similar applications in power management for processors and FPGAs. Always verify specifications and compatibility for your specific use case before substitution.

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