TPS54394PWP

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TPS54394PWP

IC REG BUCK ADJ 3A DL 16HTSSOP

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Spécifications

Series D-CAP2™, Eco-Mode™
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 2
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 0.76V
Voltage - Output (Max) 7V
Current - Output 3A
Frequency - Switching 700kHz
Synchronous Rectifier Yes
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 TPS54394

Vue d'ensemble

Description

The TPS54394PWP is a high-performance, synchronous buck converter designed by Texas Instruments for step-down voltage regulation. It is capable of delivering up to 3A of output current with adjustable output voltage ranging from 0.8V to 5.5V, making it suitable for various power supply applications in consumer and industrial electronics.
Key features include a wide input voltage range of 4.5V to 17V, integrated MOSFETs for improved efficiency, and a flexible switching frequency that can be adjusted between 200 kHz and 1 MHz. The device includes various protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
The TPS54394PWP utilizes advanced control schemes to enable fast transient response and maintain stable output voltage under varying load conditions. Its compact 20-pin HTQFP package allows for efficient thermal management and PCB space optimization, making it ideal for applications in automotive systems, telecommunications, and portable devices.

Features

The TPS54394PWP is a high-efficiency synchronous buck converter designed for step-down applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V, suitable for various power supply sources.
2. Output Current: Delivers up to 3A of continuous output current.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 15V, allowing flexibility in applications.
4. High Efficiency: Offers high efficiency (up to 95%) across a wide load range, reducing thermal management concerns.
5. Integrated Compensation: Internal compensation simplifies design and reduces external component count.
6. Switching Frequency: Adjustable frequency (300 kHz to 1.5 MHz) allows for optimization of size and efficiency.
7. Power Good Indicator: Features a power good output for monitoring the output voltage.
8. Thermal Protection: Includes thermal shutdown and current limit features for enhanced reliability.
These features make the TPS54394PWP ideal for powering processors, FPGAs, and other digital circuits in automotive, industrial, and consumer applications.

Package

The TPS54394PWP is packaged in a 20-pin HTQFP (Thin Quad Flat Pack) with a 7mm x 7mm footprint. This package type allows for efficient thermal performance and compact design in power management applications.

Pinout

The TPS54394PWP is a high-performance step-down (buck) regulator with a pin count of 28. It is designed to provide efficient power conversion for various applications.
Key functions of its pins include:
1. VIN: Input voltage supply.
2. SW: Switch node for connecting to the inductor.
3. PGND: Power ground.
4. COMP: Compensation network connection.
5. VOUT: Output voltage.
6. EN: Enable pin to turn the regulator on/off.
7. CSN/ CSP: Current sensing pins for overcurrent protection.
8. SS/TR: Soft-start and tracking control.
9. FB: Feedback voltage for regulation.
10. RAMP: Oscillator ramp voltage.
11. CLW, CLV: Control pins for additional features.
12. TRIP: Fault detection.
13. NC: No connect pins.
These pins facilitate various functions, including voltage regulation, soft-start, and protection features, making the TPS54394 suitable for desktop, server, and industrial applications.

Manufacturer

The TPS54394PWP is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of analog and embedded processing products, including power management solutions, microcontrollers, and sensors. Founded in 1930, TI is headquartered in Dallas, Texas, and serves various industries, including automotive, industrial, communications, and consumer electronics. The company is known for its innovation in analog technology and has a strong focus on research and development to provide high-quality, reliable solutions for its customers.

Application

The TPS54394PWP is a synchronous buck converter designed for step-down voltage regulation in various applications, including:
1. Industrial power supplies
2. Telecom equipment
3. Automotive systems
4. Point-of-load (POL) modules
5. FPGA and microcontroller power management
6. Battery-powered devices
Its features support efficient power conversion, making it suitable for applications requiring high efficiency and compact design.

Equivalent

The TPS54394PWP is a step-down (buck) voltage regulator. Equivalent products include:
1. LM2596 - A similar buck converter with adjustable output.
2. LMT839 - A high-efficiency, synchronous step-down regulator.
3. MICR045 - A microSiP solution for compact designs.
4. MP1584 - A compact, adjustable output buck converter.
Always verify specifications for compatibility in your specific application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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