TPS54418ARTER

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TPS54418ARTER

IC REG BUCK ADJ 4A 16WQFN

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規格

Series SWIFT™
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.95V
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 4.5V
Current - Output 4A
Frequency - Switching 200kHz ~ 2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 16-WFQFN Exposed Pad
Supplier Device Package 16-WQFN (3x3)
Base Product Number TPS54418

概述

Description

The TPS54418ARTER is a high-efficiency, synchronous buck converter from Texas Instruments, designed for robust power management solutions. It operates with an input voltage range of 2.95 V to 6 V, making it suitable for a variety of applications, including point-of-load power supplies in computing, telecom, and networking equipment.
Key features of the TPS54418ARTER include a 4 A continuous output current capability, enabling efficient power conversion and regulation. The device integrates both high-side and low-side MOSFETs, which helps reduce external component count and overall solution size. Its advanced control architecture, D-CAP2™, provides fast transient response, low output ripple, and simplified design without the need for external compensation.
The converter supports an adjustable output voltage down to 0.6 V, allowing for flexibility in power supply design. Additionally, it features multiple protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable and safe operation.
The TPS54418ARTER comes in a small, thermally enhanced 16-pin WQFN package, making it ideal for space-constrained applications. Its high efficiency, ease of use, and robust performance make it a popular choice for modern electronic systems.

Features

The TPS54418ARTER is a synchronous buck converter designed by Texas Instruments, featuring a high-efficiency, high-current, step-down power supply solution. It supports an input voltage range of 2.95 V to 6 V and delivers up to 4 A of continuous output current, making it suitable for applications requiring efficient power conversion. Key features include:
1. Integrated FETs: The device integrates high and low-side MOSFETs, reducing the need for external components and optimizing space.

2. Adjustable Frequency: It offers an adjustable switching frequency ranging from 200 kHz to 1.6 MHz, allowing for design flexibility and efficiency optimization.
3. Soft Start and Tracking: The TPS54418ARTER includes a soft-start feature to limit in-rush current and sequencing/tracking options for multiple output power supplies.
4. Current Mode Control: It utilizes peak current mode control, enhancing transient response and simplifying loop compensation.
5. Protection Features: The converter includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
6. Compact Package: It is offered in a small, thermally enhanced 16-pin QFN package, suitable for space-constrained applications.
These features make the TPS54418ARTER ideal for applications like telecom, networking, and industrial systems requiring efficient, compact power solutions.

Package

The TPS54418ARTER is a synchronous step-down SWIFT™ converter from Texas Instruments, offered in a 16-pin WQFN (Quad Flat No-lead) package. It is designed for small footprint and high efficiency, suitable for space-constrained applications.

Pinout

The TPS54418ARTER is a step-down DC-DC converter IC manufactured by Texas Instruments. It comes in a 16-pin VQFN (Very Thin Quad Flat No-Lead) package. The main functions of the pins include:
1. VIN: Input voltage supply.
2. PGND: Power ground.
3. SW: Switch node, connected to the inductor.
4. BOOT: Bootstrap capacitor connection for the high-side FET driver.
5. EN: Enable pin to turn the device on or off.
6. COMP: Compensation network connection for loop stability.
7. FB: Feedback input for setting the output voltage.
8. VREG5: Internal 5V LDO output, used to power internal circuitry.
9. SS/TR: Soft-start and tracking pin to control the output voltage ramp.
10. PWRGD: Power good indicator output.
11. AGND: Analog ground.
12. RT/CLK: Sets the switching frequency and synchronizes to an external clock.
13. VREG3: 3.3V regulator output.
14. NC: No connect or reserved pins.
15. VSENSE: Voltage sense for output regulation.
These pins provide the necessary connections for the device to regulate voltage efficiently in various applications, particularly in point-of-load conversions. Always refer to the datasheet for detailed pin descriptions and proper usage.

Manufacturer

The TPS54418ARTER is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. These components are used in various applications, including industrial, automotive, personal electronics, communications, and enterprise systems. Texas Instruments is known for its innovation in analog and embedded processing technologies, providing solutions that help companies create more efficient and advanced electronic systems.

Application

The TPS54418ARTER is a synchronous buck converter designed for applications requiring high-efficiency and compact design. Common application areas include telecommunications equipment, networking devices, industrial automation systems, and power supply modules for computing and consumer electronics. Its features make it suitable for point-of-load regulation in distributed power systems.

Equivalent

The TPS54418ARTER is a buck converter from Texas Instruments. Equivalent products from other manufacturers might include:
1. LMR14030 by Texas Instruments - 4.5V to 40V input, 0.5A output.
2. LM22670 by Texas Instruments - 3.3V to 42V input, 3A output.
3. MP2459 by Monolithic Power Systems - 3.3V to 36V input, 1A output.
4. LM2596 by Texas Instruments - 4.5V to 40V input, 3A output.
These alternatives offer similar functionality in DC-DC step-down voltage conversion. Always check specific requirements like input/output voltage, current rating, and switching frequency for compatibility.

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