TPS54225PWPR

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TPS54225PWPR

IC REG BUCK ADJ 2A 14HTSSOP

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series SWIFT™, D-CAP2™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.76V
Voltage-Output(Max) 5.5V
Current-Output 2A
Frequency-Switching 700kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 14-TSSOP (0.173, 4.40mm Width) Exposed Pad

Übersicht

Description

The TPS54225PWPR is a high-efficiency synchronous buck converter from Texas Instruments, designed for applications requiring efficient step-down voltage conversion. It features an input voltage range of 4.5V to 18V and can deliver up to 2A of continuous output current, making it suitable for a variety of power management applications, including telecommunications, consumer electronics, and industrial equipment.
Key features of the TPS54225 include a fixed switching frequency of 500kHz, which allows for a compact design due to smaller external components. It employs a current mode control scheme for fast transient response and accurate output voltage regulation. The device also incorporates built-in protection features such as over-current protection, under-voltage lockout, and thermal shutdown to ensure safe and reliable operation.
The TPS54225PWPR comes in a thermally-enhanced, 16-pin TSSOP package with PowerPAD™ technology for improved heat dissipation. The combination of high efficiency, compact size, and comprehensive protection features makes it a versatile choice for designers requiring robust and space-efficient power solutions.

Features

The TPS54225PWPR is a synchronous buck converter from Texas Instruments, designed for efficient voltage regulation in a variety of applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 18V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 2A continuous output current, suitable for moderate power requirements.
3. Efficiency: Offers high efficiency, often greater than 90%, due to its synchronous rectification and optimized design.
4. Switching Frequency: Operates at a fixed switching frequency of 500 kHz, balancing efficiency and component size.
5. Adjustable Output Voltage: The output voltage is adjustable via an external resistor divider, allowing for customization to specific needs.
6. Integrated MOSFETs: Features internal high-side and low-side MOSFETs, reducing the need for additional external components.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability and safeguard against faults.
8. Compact Package: Available in a 16-pin TSSOP package with PowerPAD, aiding in thermal management and compact design.
These features make the TPS54225PWPR suitable for applications like point-of-load conversions, distributed power systems, and embedded systems.

Package

The TPS54225PWPR is a step-down DC-DC converter from Texas Instruments. It comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) with PowerPAD for enhanced thermal performance. The package is denoted by the "PWPR" suffix, indicating a TSSOP package with a tape and reel option for automated assembly.

Pinout

The TPS54225PWPR is a step-down converter IC produced by Texas Instruments. It comes in a 16-pin package. Here is a brief overview of its pin count and functions:
1. Pins: The device has 16 pins in a TSSOP (Thin Shrink Small Outline Package).
2. Key Functions:
- Vin: Input voltage supply.
- SW: Switch node.
- BOOT: Bootstrap capacitor connection for the high-side gate driver.
- EN: Enable pin to turn the device on or off.
- COMP: Compensation pin for stability and transient response.
- FB: Feedback pin for output voltage regulation.
- RT/CLK: Sets the switching frequency or synchronizes to an external clock.
- SS/TR: Soft-start and tracking pin.
- PGND: Power ground.
- AGND: Analog ground for noise-sensitive components.
- PWRGD: Power Good indication.
- VBST: Provides a supply voltage to the bootstrap capacitor.
These pins facilitate the regulation and control of the output voltage, allowing for efficient power conversion in various applications. For detailed specifications and configurations, consult the datasheet provided by Texas Instruments.

Manufacturer

The TPS54225PWPR is manufactured by Texas Instruments Incorporated, commonly referred to as TI. Texas Instruments is a global semiconductor company that specializes in the design and manufacture of analog and embedded processing chips. These components are used in various electronic systems including industrial, automotive, personal electronics, and communications equipment.

Application

The TPS54225PWPR is a synchronous step-down DC-DC converter mainly used in applications requiring efficient power conversion and regulation. Key application areas include powering digital processors, ASICs, FPGAs, and other digital loads in computing and telecommunications. It's also suitable for use in industrial equipment, consumer electronics, and automotive systems, where efficient voltage regulation and reliable performance are critical.

Equivalent

The TPS54225PWPR is a step-down (buck) converter from Texas Instruments. Equivalent products with similar specifications might include the LM2675 from Texas Instruments, the LM2596 from Texas Instruments, the MP1584 from Monolithic Power Systems, and the LT8608 from Analog Devices. When selecting an equivalent, ensure that voltage, current ratings, switching frequency, and package type match the original specifications closely. Always review the datasheets for compatibility in your specific application.

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