사양
| 속성 | 가치 |
| Package / Case | Bulk,Tube |
| Series | Eco-Mode™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.5V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 39V |
| Current - Output | 1.5A |
| Frequency - Switching | 100kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The TPS54140ADGQ is a step-down (buck) DC-DC converter by Texas Instruments. It is designed to efficiently convert a higher input voltage to a lower output voltage, suitable for various electronic applications. Key features include a wide input voltage range from 3.5V to 42V, making it versatile for different power sources. It provides up to 1.5A of continuous output current with high efficiency.
The device includes an integrated high-side MOSFET, which reduces the need for external components and simplifies the design. It also offers features like an adjustable switching frequency, internal loop compensation, and a low dropout operation for better performance under light loads.
The TPS54140ADGQ incorporates protection mechanisms such as current limiting, thermal shutdown, and undervoltage lockout to enhance reliability and safety. Packaged typically in an 8-pin SOIC, it is suitable for compact designs. Applications include industrial power supplies, automotive systems, and consumer electronics where regulated power is critical. Its efficiency and robust feature set make it an ideal choice for designers looking to implement efficient power conversion solutions.
The device includes an integrated high-side MOSFET, which reduces the need for external components and simplifies the design. It also offers features like an adjustable switching frequency, internal loop compensation, and a low dropout operation for better performance under light loads.
The TPS54140ADGQ incorporates protection mechanisms such as current limiting, thermal shutdown, and undervoltage lockout to enhance reliability and safety. Packaged typically in an 8-pin SOIC, it is suitable for compact designs. Applications include industrial power supplies, automotive systems, and consumer electronics where regulated power is critical. Its efficiency and robust feature set make it an ideal choice for designers looking to implement efficient power conversion solutions.
Equivalent
The TPS54140ADGQ is a step-down regulator from Texas Instruments. Equivalent products from other manufacturers include:
1. LM2596 from Texas Instruments - A simple switcher, step-down voltage regulator.
2. MIC4576 from Microchip Technology - A high-efficiency, simple switcher.
3. L4973V5.1 from STMicroelectronics - A DC-DC step-down regulator.
4. LT3508 from Analog Devices - A dual-channel step-down switching regulator.
Please verify specific requirements like input/output voltage, current capability, and package type before choosing an equivalent.
1. LM2596 from Texas Instruments - A simple switcher, step-down voltage regulator.
2. MIC4576 from Microchip Technology - A high-efficiency, simple switcher.
3. L4973V5.1 from STMicroelectronics - A DC-DC step-down regulator.
4. LT3508 from Analog Devices - A dual-channel step-down switching regulator.
Please verify specific requirements like input/output voltage, current capability, and package type before choosing an equivalent.
Features
The TPS54140ADGQ is a step-down (buck) converter from Texas Instruments, designed for applications requiring efficient power conversion with a wide input voltage range and minimal external components. Key features include:
1. Wide Input Voltage Range: Operates from 3.5V to 42V, suitable for various applications, including industrial and automotive environments.
2. Output Current: Supports up to 1.5A of continuous output current.
3. High Efficiency: Achieves efficiency up to 95%, which helps in reducing heat and power loss.
4. Adjustable Output Voltage: Offers an adjustable output voltage range from 0.8V to 30V.
5. Integrated High-Side MOSFET: Simplifies the design and minimizes the need for additional components.
6. Switching Frequency: Fixed frequency of 500 kHz, allowing for compact switching solutions.
7. Thermal Shutdown and Overcurrent Protection: Enhances reliability by protecting against overheating and excessive current.
8. Soft Start: Controlled startup to prevent inrush current.
9. Low Quiescent Current: Ideal for battery-powered applications.
10. Compact Package: Available in a small, thermally efficient package for space-constrained designs.
These features make the TPS54140ADGQ suitable for a variety of power regulation tasks in demanding electronic environments.
1. Wide Input Voltage Range: Operates from 3.5V to 42V, suitable for various applications, including industrial and automotive environments.
2. Output Current: Supports up to 1.5A of continuous output current.
3. High Efficiency: Achieves efficiency up to 95%, which helps in reducing heat and power loss.
4. Adjustable Output Voltage: Offers an adjustable output voltage range from 0.8V to 30V.
5. Integrated High-Side MOSFET: Simplifies the design and minimizes the need for additional components.
6. Switching Frequency: Fixed frequency of 500 kHz, allowing for compact switching solutions.
7. Thermal Shutdown and Overcurrent Protection: Enhances reliability by protecting against overheating and excessive current.
8. Soft Start: Controlled startup to prevent inrush current.
9. Low Quiescent Current: Ideal for battery-powered applications.
10. Compact Package: Available in a small, thermally efficient package for space-constrained designs.
These features make the TPS54140ADGQ suitable for a variety of power regulation tasks in demanding electronic environments.
Pinout
The TPS54140ADGQ is a step-down DC-DC converter from Texas Instruments. It features a 10-pin package, specifically the MSOP-PowerPAD package. Here is a brief overview of its pin functions:
1. BOOT: Bootstrap capacitor connection for the high-side MOSFET driver.
2. VIN: Input supply voltage.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft-start or tracking control.
5. COMP: Compensation pin for the error amplifier.
6. RT/CLK: Resistor timing or optional clock synchronization input.
7. AGND: Analog ground.
8. VSENSE: Feedback voltage from the output.
9. PH: Connection to the inductor for the switch node.
10. PGND: Power ground.
These pins collectively allow the TPS54140ADGQ to deliver efficient power conversion with features like current mode control and frequency synchronization.
1. BOOT: Bootstrap capacitor connection for the high-side MOSFET driver.
2. VIN: Input supply voltage.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft-start or tracking control.
5. COMP: Compensation pin for the error amplifier.
6. RT/CLK: Resistor timing or optional clock synchronization input.
7. AGND: Analog ground.
8. VSENSE: Feedback voltage from the output.
9. PH: Connection to the inductor for the switch node.
10. PGND: Power ground.
These pins collectively allow the TPS54140ADGQ to deliver efficient power conversion with features like current mode control and frequency synchronization.
Manufacturer
The TPS54140ADGQ is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. They serve various sectors such as consumer electronics, automotive, industrial, and communications equipment. TI is known for its innovation in analog and embedded processing technology, providing solutions that enhance the efficiency and performance of electronic systems.
Application
The TPS54140ADGQ is a step-down DC-DC converter used in a variety of applications requiring efficient power management. Key application areas include industrial and automotive systems, telecommunications, and networking equipment. It is ideal for powering microcontrollers, digital signal processors (DSPs), and other low-power devices. The converter is suitable for applications needing wide input voltage range, such as battery-powered systems and distributed power architectures. Its features like high efficiency, low output ripple, and built-in overcurrent protection make it a popular choice for system designers looking to optimize power distribution in compact spaces.
Package
The TPS54140ADGQ is a step-down converter packaged in an 8-pin HVSSOP (PowerPAD) package. This package type provides excellent thermal performance due to its exposed thermal pad, which helps in heat dissipation.
