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TPS54332DDA
+BOMIC REG BUCK ADJ 3.5A 8SOPWR
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #TPS54332DDA
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패키지 HSOIC (DDA)-8
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재고7296
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사양
| 속성 | 가치 |
| Package | Bulk,Tube |
| 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) | 26.04V |
| Current-Output | 3.5A |
| Frequency-Switching | 1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
개요
Description
The TPS54332DDA is a high-efficiency synchronous buck converter designed by Texas Instruments. It is part of the company's TPS54332 series, which is tailored for applications requiring efficient step-down voltage conversions. The device can deliver up to 3A of output current and operates over a wide input voltage range from 3.5V to 28V, making it versatile for various applications including industrial, automotive, and consumer electronics.
Key features include a fixed 1 MHz switching frequency, which helps in minimizing external component sizes and achieving a compact design. It also integrates a high-side MOSFET and features internal loop compensation, reducing the need for additional external components. The TPS54332DDA includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown, enhancing its reliability in harsh conditions.
The device is housed in an 8-pin SO PowerPAD™ package, which aids in heat dissipation. Its ease of use, combined with high performance, makes it a popular choice for engineers designing power supply systems.
Key features include a fixed 1 MHz switching frequency, which helps in minimizing external component sizes and achieving a compact design. It also integrates a high-side MOSFET and features internal loop compensation, reducing the need for additional external components. The TPS54332DDA includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown, enhancing its reliability in harsh conditions.
The device is housed in an 8-pin SO PowerPAD™ package, which aids in heat dissipation. Its ease of use, combined with high performance, makes it a popular choice for engineers designing power supply systems.
Equivalent
Equivalent products to the TPS54332DDA, a 3A step-down converter from Texas Instruments, might include the LM2673 from Texas Instruments, LM2596 from Texas Instruments, LM3671 from Texas Instruments, LMR33630 from Texas Instruments, MP1584 from MPS, and LM2576 from ON Semiconductor. Be sure to check the specifications and datasheets of these components to ensure they meet your specific design requirements before substituting.
Features
The TPS54332DDA is a step-down (buck) converter from Texas Instruments, designed to efficiently convert a higher input voltage to a lower output voltage. Key features include:
1. Input Voltage Range: 3.5V to 28V, making it suitable for a variety of applications.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Efficiency: High efficiency, up to 95%, which reduces power loss and heat generation.
4. Switching Frequency: Adjustable switching frequency up to 2.5MHz, which allows for smaller external components and a more compact design.
5. Soft-Start Function: Adjustable soft-start to limit inrush current during startup.
6. Current Mode Control: Provides fast transient response and cycle-by-cycle current limiting.
7. Thermal Shutdown: Protects the device from damage due to overheating.
8. Protection Features: Includes overcurrent protection and undervoltage lockout.
9. Package: Available in an 8-pin SO PowerPAD package, which helps in thermal management.
These features make the TPS54332DDA ideal for use in consumer electronics, telecommunications, and industrial applications where efficient power conversion is needed.
1. Input Voltage Range: 3.5V to 28V, making it suitable for a variety of applications.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Efficiency: High efficiency, up to 95%, which reduces power loss and heat generation.
4. Switching Frequency: Adjustable switching frequency up to 2.5MHz, which allows for smaller external components and a more compact design.
5. Soft-Start Function: Adjustable soft-start to limit inrush current during startup.
6. Current Mode Control: Provides fast transient response and cycle-by-cycle current limiting.
7. Thermal Shutdown: Protects the device from damage due to overheating.
8. Protection Features: Includes overcurrent protection and undervoltage lockout.
9. Package: Available in an 8-pin SO PowerPAD package, which helps in thermal management.
These features make the TPS54332DDA ideal for use in consumer electronics, telecommunications, and industrial applications where efficient power conversion is needed.
Pinout
The TPS54332DDA is a step-down DC-DC converter from Texas Instruments. It comes in an 8-pin SO PowerPAD package. Here’s a concise overview of its pin functions:
1. BOOT: Supplies the drive voltage for the high-side N-channel MOSFET switch.
2. VIN: Input supply voltage for the converter.
3. EN: Enable pin to turn the device on or off. Can be used for sequencing.
4. COMP: Compensation pin used to stabilize the control loop.
5. RT/CLK: Sets the switching frequency and can be synchronized to an external clock.
6. GND: Ground reference for the device.
7. PH: Switch node that connects to the inductor.
8. VSENSE: Feedback voltage input. Used to set the output voltage.
This configuration enables the TPS54332 to efficiently convert higher input voltages to lower output voltages, making it suitable for a variety of applications including powering processors and other digital circuits.
1. BOOT: Supplies the drive voltage for the high-side N-channel MOSFET switch.
2. VIN: Input supply voltage for the converter.
3. EN: Enable pin to turn the device on or off. Can be used for sequencing.
4. COMP: Compensation pin used to stabilize the control loop.
5. RT/CLK: Sets the switching frequency and can be synchronized to an external clock.
6. GND: Ground reference for the device.
7. PH: Switch node that connects to the inductor.
8. VSENSE: Feedback voltage input. Used to set the output voltage.
This configuration enables the TPS54332 to efficiently convert higher input voltages to lower output voltages, making it suitable for a variety of applications including powering processors and other digital circuits.
Manufacturer
The TPS54332DDA is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic devices and systems. TI’s products are utilized in industries such as consumer electronics, automotive, industrial, and communications equipment. The company is known for its innovation in analog and embedded processing technologies, providing solutions that help to streamline electronics design and enhance performance.
Application
The TPS54332DDA is a step-down (buck) converter, primarily used in applications requiring efficient power conversion from a higher voltage to a lower voltage. Common application areas include:
1. Consumer Electronics: Power supply for devices like TVs, gaming consoles, and set-top boxes.
2. Industrial Systems: Used in factory automation and other industrial equipment for converting power efficiently.
3. Telecommunications: Provides power to networking equipment and base stations.
4. Computing: Used in desktops, laptops, and servers for voltage regulation.
5. Automotive: Powering various electronic components in vehicles.
6. Embedded Systems: Supplies power to microcontrollers and other components in embedded applications.
Its flexibility and efficiency make it suitable for a wide range of power management tasks.
1. Consumer Electronics: Power supply for devices like TVs, gaming consoles, and set-top boxes.
2. Industrial Systems: Used in factory automation and other industrial equipment for converting power efficiently.
3. Telecommunications: Provides power to networking equipment and base stations.
4. Computing: Used in desktops, laptops, and servers for voltage regulation.
5. Automotive: Powering various electronic components in vehicles.
6. Embedded Systems: Supplies power to microcontrollers and other components in embedded applications.
Its flexibility and efficiency make it suitable for a wide range of power management tasks.
Package
The TPS54332DDA is a step-down DC-DC converter from Texas Instruments. It comes in an 8-pin SO PowerPAD package, known as the DDA package. This package is designed to efficiently dissipate heat through its exposed pad, suitable for compact and thermally-demanding applications.
