規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 17V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 12V |
| Current-Output | 4A |
| Frequency-Switching | 200kHz ~ 1.6MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 18-VFQFN |
概述
Description
The TPS54424RNVR is a step-down (buck) DC-DC converter designed by Texas Instruments, optimized for high-efficiency power regulation in various electronic applications. It operates with an input voltage range of 4.5 V to 17 V and delivers an output current of up to 4 A. The device integrates high-side and low-side MOSFETs, which reduce external component count and enhance performance efficiency.
Key features include a fixed switching frequency of 700 kHz, allowing for smaller output inductors and capacitors, thus minimizing overall board space. It supports both Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) to achieve high efficiency across different load conditions. The TPS54424RNVR also includes features like soft start, power good indication, and overcurrent protection to ensure reliable operation. Its thermal shutdown feature prevents overheating, while the D-CAP3™ control mode provides a fast transient response without complex external compensation.
The device is housed in a 3 mm x 3 mm VQFN package, making it suitable for compact designs. It is ideal for use in applications such as industrial power supplies, telecommunications, and consumer electronics.
Key features include a fixed switching frequency of 700 kHz, allowing for smaller output inductors and capacitors, thus minimizing overall board space. It supports both Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) to achieve high efficiency across different load conditions. The TPS54424RNVR also includes features like soft start, power good indication, and overcurrent protection to ensure reliable operation. Its thermal shutdown feature prevents overheating, while the D-CAP3™ control mode provides a fast transient response without complex external compensation.
The device is housed in a 3 mm x 3 mm VQFN package, making it suitable for compact designs. It is ideal for use in applications such as industrial power supplies, telecommunications, and consumer electronics.
Equivalent
The TPS54424RNVR is a DC-DC buck converter from Texas Instruments. Equivalent products may include:
1. LMR33630 from Texas Instruments – A 36-V, 3-A synchronous step-down regulator.
2. MP2315 from Monolithic Power Systems – A 24-V, 3-A synchronous step-down converter.
3. ADP2442 from Analog Devices – A 36-V, 1-A step-down DC-DC regulator.
4. RT7276A from Richtek – A 36-V, 3-A synchronous buck converter.
These alternatives vary in input voltage range, output current, and efficiency. Always check specifications to ensure compatibility with your application.
1. LMR33630 from Texas Instruments – A 36-V, 3-A synchronous step-down regulator.
2. MP2315 from Monolithic Power Systems – A 24-V, 3-A synchronous step-down converter.
3. ADP2442 from Analog Devices – A 36-V, 1-A step-down DC-DC regulator.
4. RT7276A from Richtek – A 36-V, 3-A synchronous buck converter.
These alternatives vary in input voltage range, output current, and efficiency. Always check specifications to ensure compatibility with your application.
Features
The TPS54424RNVR is a step-down DC-DC converter from Texas Instruments designed for high-efficiency and compact power management solutions. Its key features include:
1. Wide Input Voltage Range: Supports 4.5 V to 17 V, accommodating various power sources.
2. Output Current: Provides up to 4 A continuous output current.
3. High Efficiency: Optimized for high efficiency with low power losses across the load range.
4. Adjustable Switching Frequency: Programmable from 200 kHz to 2.2 MHz, allowing for design flexibility.
5. Integrated MOSFETs: Includes high-side and low-side MOSFETs for improved performance and reduced external components.
6. Soft-Start: Adjustable soft-start feature to manage inrush current during startup.
7. Protection Features: Includes overcurrent protection, overvoltage protection, thermal shutdown, and undervoltage lockout for reliability.
8. Small Package: Available in a space-saving 3 mm x 3 mm VQFN package, ideal for compact designs.
These features make the TPS54424RNVR suitable for applications like industrial equipment, telecommunications, and computing systems requiring efficient and reliable power conversion.
1. Wide Input Voltage Range: Supports 4.5 V to 17 V, accommodating various power sources.
2. Output Current: Provides up to 4 A continuous output current.
3. High Efficiency: Optimized for high efficiency with low power losses across the load range.
4. Adjustable Switching Frequency: Programmable from 200 kHz to 2.2 MHz, allowing for design flexibility.
5. Integrated MOSFETs: Includes high-side and low-side MOSFETs for improved performance and reduced external components.
6. Soft-Start: Adjustable soft-start feature to manage inrush current during startup.
7. Protection Features: Includes overcurrent protection, overvoltage protection, thermal shutdown, and undervoltage lockout for reliability.
8. Small Package: Available in a space-saving 3 mm x 3 mm VQFN package, ideal for compact designs.
These features make the TPS54424RNVR suitable for applications like industrial equipment, telecommunications, and computing systems requiring efficient and reliable power conversion.
Pinout
The TPS54424RNVR is a synchronous buck converter from Texas Instruments, part of their DC/DC switching regulators. This device comes in a 3 mm × 3 mm VQFN package and has 12 pins.
Key functions and pin descriptions include:
1. VIN (Pin 1): Input voltage supply.
2. BOOT (Pin 2): Boot capacitor connection for the high-side FET driver.
3. PH (Pin 3): Switch node pin, connected to the inductor.
4. GND (Pin 4, 5, 6): Ground connections.
5. VREG5 (Pin 7): 5V internal regulator output.
6. FB (Pin 8): Feedback pin for output voltage regulation.
7. VDD (Pin 9): Bias supply pin for the internal control circuits.
8. SS/TR (Pin 10): Soft-start and tracking pin to control the startup and sequencing.
9. EN (Pin 11): Enable pin for the device.
10. RT/CLK (Pin 12): Resistor timing or external clock synchronization input.
The TPS54424 is widely used for applications requiring high-efficiency DC/DC conversion with a range of input voltages, making it suitable for powering processors, FPGAs, and other digital logic.
Key functions and pin descriptions include:
1. VIN (Pin 1): Input voltage supply.
2. BOOT (Pin 2): Boot capacitor connection for the high-side FET driver.
3. PH (Pin 3): Switch node pin, connected to the inductor.
4. GND (Pin 4, 5, 6): Ground connections.
5. VREG5 (Pin 7): 5V internal regulator output.
6. FB (Pin 8): Feedback pin for output voltage regulation.
7. VDD (Pin 9): Bias supply pin for the internal control circuits.
8. SS/TR (Pin 10): Soft-start and tracking pin to control the startup and sequencing.
9. EN (Pin 11): Enable pin for the device.
10. RT/CLK (Pin 12): Resistor timing or external clock synchronization input.
The TPS54424 is widely used for applications requiring high-efficiency DC/DC conversion with a range of input voltages, making it suitable for powering processors, FPGAs, and other digital logic.
Manufacturer
The manufacturer of the TPS54424RNVR is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. They specialize in developing analog chips and embedded processors that are integral to a variety of electronic devices and systems, including those used in industrial, automotive, personal electronics, and communications equipment. TI is known for its innovation in semiconductor technology and has a strong focus on research and development to advance electronic capabilities across diverse applications.
Application
The TPS54424RNVR is a synchronous buck converter designed for applications requiring efficient power conversion and compact design. It is commonly used in telecommunications, networking, and industrial systems to provide stable power for processors, FPGAs, and ASICs. Due to its high efficiency and low output voltage ripple, it's suitable for powering digital circuits, distributed power systems, and point-of-load regulators. Additionally, the converter's wide input voltage range and high-current output capabilities make it ideal for computing and consumer electronics, where reliable power delivery is crucial. Its compact size also supports space-constrained applications like embedded systems and portable devices.
Package
The TPS54424RNVR is a DC-DC step-down converter from Texas Instruments, provided in a VQFN (Very Thin Quad Flat No-Lead) package type. Specifically, it comes in a 3.0 mm x 3.0 mm, 11-pin VQFN package for efficient thermal performance and compact design suitable for various applications.
