Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 3A |
| Frequency-Switching | 650kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Tổng quan
Description
The TPS54329DDAR is a DC-DC buck converter from Texas Instruments, part of the SIMPLE SWITCHER® series. Designed to step down voltage efficiently, it operates with an input voltage range of 4.5V to 18V and provides up to 3A of output current. This device is particularly suitable for applications requiring high efficiency and compact design, such as in telecommunications, networking, and industrial equipment.
Key features include a fixed frequency of 700 kHz, integrated high-side MOSFET, and current mode control for fast transient response. The TPS54329DDAR offers excellent line and load regulation and includes protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Available in an 8-pin SO PowerPAD package, it supports a variety of applications and simplifies design with its minimal external component requirements. Its small footprint and robust performance make it ideal for use in space-constrained environments, where reliable power management is crucial.
Key features include a fixed frequency of 700 kHz, integrated high-side MOSFET, and current mode control for fast transient response. The TPS54329DDAR offers excellent line and load regulation and includes protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Available in an 8-pin SO PowerPAD package, it supports a variety of applications and simplifies design with its minimal external component requirements. Its small footprint and robust performance make it ideal for use in space-constrained environments, where reliable power management is crucial.
Equivalent
The TPS54329DDAR is a 3A synchronous step-down converter. Equivalent products include:
1. LM2596 - A 3A step-down voltage regulator by Texas Instruments.
2. MP2315 - A 3A synchronous buck converter by MPS (Monolithic Power Systems).
3. SY8089 - A 3A synchronous step-down regulator by Silergy.
4. LM3671 - A step-down voltage converter by Texas Instruments, suitable for lower current applications.
These alternatives may differ in certain features, so always check the datasheets to ensure compatibility with your application.
1. LM2596 - A 3A step-down voltage regulator by Texas Instruments.
2. MP2315 - A 3A synchronous buck converter by MPS (Monolithic Power Systems).
3. SY8089 - A 3A synchronous step-down regulator by Silergy.
4. LM3671 - A step-down voltage converter by Texas Instruments, suitable for lower current applications.
These alternatives may differ in certain features, so always check the datasheets to ensure compatibility with your application.
Features
The TPS54329DDAR is a high-efficiency, synchronous buck converter from Texas Instruments. It features a 3-V to 17-V wide input voltage range and a 3-A continuous output current capability, making it suitable for a variety of applications. The device integrates both high-side and low-side MOSFETs to minimize external component count and simplify design.
Key features include:
1. High Efficiency: Achieves up to 95% efficiency with its synchronous rectification.
2. Adjustable Output Voltage: Supports a wide output voltage range, adjustable via external resistors.
3. Fixed Switching Frequency: Operates at a 700 kHz frequency to optimize efficiency and size.
4. Built-in Protection: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
5. Soft Start and Enable Pins: Provides soft start functionality to limit inrush current and an enable pin for easy power sequencing.
Overall, the TPS54329DDAR is designed for use in applications such as consumer electronics, industrial equipment, and telecommunications, where efficiency and compact design are critical.
Key features include:
1. High Efficiency: Achieves up to 95% efficiency with its synchronous rectification.
2. Adjustable Output Voltage: Supports a wide output voltage range, adjustable via external resistors.
3. Fixed Switching Frequency: Operates at a 700 kHz frequency to optimize efficiency and size.
4. Built-in Protection: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
5. Soft Start and Enable Pins: Provides soft start functionality to limit inrush current and an enable pin for easy power sequencing.
Overall, the TPS54329DDAR is designed for use in applications such as consumer electronics, industrial equipment, and telecommunications, where efficiency and compact design are critical.
Pinout
The TPS54329DDAR is a step-down (buck) converter IC from Texas Instruments, typically used for power management applications. It comes in an 8-pin HSOP (PowerPAD) package. Here's a brief overview of the pin functions:
1. BOOT: Boot capacitor connection for high-side MOSFET driver.
2. VIN: Input voltage pin for powering the device.
3. SW: Switch node, connected to the output inductor.
4. GND: Ground pin.
5. FB: Feedback pin for output voltage regulation.
6. COMP: Compensation pin, used for loop stability.
7. EN: Enable pin, turns the device on or off.
8. RT/CLK: Sets the switching frequency or syncs to an external clock.
This IC is designed for high-efficiency power conversion, typically used in applications like consumer electronics, computing, and other areas requiring regulated output voltages.
1. BOOT: Boot capacitor connection for high-side MOSFET driver.
2. VIN: Input voltage pin for powering the device.
3. SW: Switch node, connected to the output inductor.
4. GND: Ground pin.
5. FB: Feedback pin for output voltage regulation.
6. COMP: Compensation pin, used for loop stability.
7. EN: Enable pin, turns the device on or off.
8. RT/CLK: Sets the switching frequency or syncs to an external clock.
This IC is designed for high-efficiency power conversion, typically used in applications like consumer electronics, computing, and other areas requiring regulated output voltages.
Manufacturer
The TPS54329DDAR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company that designs and manufactures a wide range of electronic devices. The company is known for its development and production of analog chips and embedded processors, which are used in various electronic systems and applications. TI serves a multitude of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is recognized for its innovation in the semiconductor space and has a significant presence in research and development, ensuring continuous advancements in electronic components and systems.
Application
The TPS54329DDAR is a DC-DC buck converter used in various applications requiring efficient power management. It is commonly utilized in telecommunications, networking, and data communications equipment for powering FPGAs, DSPs, and ASICs. The converter is also suitable for consumer electronics, such as set-top boxes, televisions, and gaming consoles, where compact and efficient power supply solutions are needed. Additionally, it is used in industrial and automotive applications, providing reliable voltage regulation for microcontrollers and other digital circuits. Its ability to handle input voltages up to 18V makes it versatile for use in different systems requiring step-down voltage conversion.
Package
The TPS54329DDAR is a DC-DC buck converter integrated circuit from Texas Instruments. It comes in an 8-pin, plastic, surface-mount SO PowerPAD package, also known as the HSOP (Heatsink Small Outline Package). This package type is designed to provide enhanced thermal performance and efficiency.
