圖片僅供參考
TPS54231DR
+物料清單IC REG BUCK ADJUSTABLE 2A 8SOIC
-
製造商德州儀器
-
製造商部分 #TPS54231DR
-
包裹 SOIC (D)-8
-
有存貨1440
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 25V |
| Current-Output | 2A |
| Frequency-Switching | 570kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The TPS54231DR is a step-down DC-DC converter integrated circuit designed by Texas Instruments. It is part of the TPS54231 series, which is known for its efficiency and reliability in power management applications. The device can deliver up to 2A of continuous output current from an input voltage range of 3.5V to 28V, making it suitable for a wide range of applications, including battery-powered systems, consumer electronics, and industrial equipment.
Key features include a high switching frequency of up to 2.3 MHz, which allows for the use of small external components, reducing overall board space. The TPS54231DR also includes built-in protection features such as thermal shutdown, current limiting, and undervoltage lockout to ensure safe operation.
The converter is easy to use, with a simple external component configuration and an adjustable output voltage as low as 0.8V. Its efficiency can reach up to 95%, minimizing power loss and heat generation. Packaged in an 8-pin SOIC (Small Outline Integrated Circuit), it offers a compact solution for efficient power conversion.
Key features include a high switching frequency of up to 2.3 MHz, which allows for the use of small external components, reducing overall board space. The TPS54231DR also includes built-in protection features such as thermal shutdown, current limiting, and undervoltage lockout to ensure safe operation.
The converter is easy to use, with a simple external component configuration and an adjustable output voltage as low as 0.8V. Its efficiency can reach up to 95%, minimizing power loss and heat generation. Packaged in an 8-pin SOIC (Small Outline Integrated Circuit), it offers a compact solution for efficient power conversion.
Equivalent
The TPS54231DR is a step-down (buck) converter from Texas Instruments. Equivalent products include:
1. LM2596 from Texas Instruments - A popular buck converter with similar specifications.
2. XL4015 from XLSEMI - Another step-down converter with comparable performance.
3. MP1584 from Monolithic Power Systems - A compact and efficient alternative.
4. LT1376 from Analog Devices - Offers similar functionality with robust performance.
Ensure to check specific requirements like input voltage and current capacity when selecting equivalents.
1. LM2596 from Texas Instruments - A popular buck converter with similar specifications.
2. XL4015 from XLSEMI - Another step-down converter with comparable performance.
3. MP1584 from Monolithic Power Systems - A compact and efficient alternative.
4. LT1376 from Analog Devices - Offers similar functionality with robust performance.
Ensure to check specific requirements like input voltage and current capacity when selecting equivalents.
Features
The TPS54231DR is a high-efficiency, step-down DC-DC converter from Texas Instruments. Key features include:
1. Input Voltage Range: It supports a wide input range from 3.5V to 28V, making it versatile for various applications.
2. Output Current: The device can deliver up to 2A of continuous output current.
3. Efficiency: It offers high efficiency, typically over 95% at a 5V output.
4. Switching Frequency: The TPS54231DR operates at a fixed 570 kHz, allowing the use of smaller external components.
5. Internal Soft Start: It has an internal soft start to reduce inrush current during startup.
6. Protection Features: It includes overcurrent protection, thermal shutdown, and undervoltage lockout for reliability.
7. Thermal Performance: Offered in an 8-pin SOIC (Small Outline Integrated Circuit) package, it supports good thermal performance.
8. Low Dropout: Designed for low dropout operation, enhancing its efficiency during voltage regulation.
9. Applications: It's suitable for power supply solutions in consumer electronics, telecommunications, and industrial equipment.
These features make the TPS54231DR a robust choice for developing efficient power supplies.
1. Input Voltage Range: It supports a wide input range from 3.5V to 28V, making it versatile for various applications.
2. Output Current: The device can deliver up to 2A of continuous output current.
3. Efficiency: It offers high efficiency, typically over 95% at a 5V output.
4. Switching Frequency: The TPS54231DR operates at a fixed 570 kHz, allowing the use of smaller external components.
5. Internal Soft Start: It has an internal soft start to reduce inrush current during startup.
6. Protection Features: It includes overcurrent protection, thermal shutdown, and undervoltage lockout for reliability.
7. Thermal Performance: Offered in an 8-pin SOIC (Small Outline Integrated Circuit) package, it supports good thermal performance.
8. Low Dropout: Designed for low dropout operation, enhancing its efficiency during voltage regulation.
9. Applications: It's suitable for power supply solutions in consumer electronics, telecommunications, and industrial equipment.
These features make the TPS54231DR a robust choice for developing efficient power supplies.
Pinout
The TPS54231DR is a step-down (buck) converter from Texas Instruments. It is typically housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of the pin functions:
1. BOOT: Supplies the drive voltage to the high-side N-channel MOSFET.
2. VIN: Input voltage supply pin.
3. EN: Enable pin for the device. A high signal turns the device on, whereas a low signal turns it off.
4. COMP: Compensation network pin for the internal error amplifier.
5. VSENSE: Feedback pin for sensing output voltage to adjust the PWM duty cycle.
6. GND: Ground reference for the device.
7. SW: Switch pin connected to the output inductor.
8. PWRGD (Power Good): Indicates the output voltage status.
This configuration enables the converter to efficiently step down a higher input voltage to a lower output voltage, suitable for use in various DC power applications.
1. BOOT: Supplies the drive voltage to the high-side N-channel MOSFET.
2. VIN: Input voltage supply pin.
3. EN: Enable pin for the device. A high signal turns the device on, whereas a low signal turns it off.
4. COMP: Compensation network pin for the internal error amplifier.
5. VSENSE: Feedback pin for sensing output voltage to adjust the PWM duty cycle.
6. GND: Ground reference for the device.
7. SW: Switch pin connected to the output inductor.
8. PWRGD (Power Good): Indicates the output voltage status.
This configuration enables the converter to efficiently step down a higher input voltage to a lower output voltage, suitable for use in various DC power applications.
Manufacturer
The TPS54231DR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is headquartered in Dallas, Texas, and is one of the largest producers of semiconductors globally. TI's products are widely used in electronics across various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is known for its contributions to the development of digital signal processing and analog technologies, providing solutions that enhance electronic devices' performance and efficiency.
Application
The TPS54231DR is a high-efficiency, step-down (buck) DC-DC converter used in various applications. Its primary areas include powering digital signal processors (DSPs), field-programmable gate arrays (FPGAs), microcontrollers, and other digital circuits. It is suitable for use in distributed power systems and point-of-load regulation because of its ability to operate over a wide input voltage range and deliver up to 2A of output current. Additionally, it is often employed in telecommunications, automotive systems, consumer electronics, and industrial equipment due to its compact size, high efficiency, and thermal performance.
Package
The TPS54231DR is a step-down DC-DC converter from Texas Instruments. It is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package, designated by 'DR'. This package type is suitable for surface-mount applications and provides a compact form factor for efficient power management solutions.
