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TPS5420D
+Lista de MateriaisIC REG BUCK ADJUSTABLE 2A 8SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #TPS5420D
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Pacote SOIC (D)-8
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Especificações
| Atributo | Valor |
| Package | Bulk,Tube |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 5.5V |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 1.22V |
| Voltage-Output(Max) | 31V |
| Current-Output | 2A |
| Frequency-Switching | 500kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
The TPS5420D is a high-efficiency step-down (buck) DC-DC converter designed by Texas Instruments. It is part of the Simple Switcher series, offering ease of use with its minimal external component requirements and straightforward design process. The device operates with a wide input voltage range from 8 V to 60 V, making it suitable for various applications, including industrial and automotive systems.
It delivers up to 2 A of continuous output current, with a fixed 500 kHz switching frequency. This allows for smaller external components, reducing overall solution size. The TPS5420D includes features such as internal frequency compensation, overcurrent protection, and thermal shutdown, enhancing its reliability.
The device comes in a thermally-enhanced 8-pin SOIC package, which aids in efficient heat dissipation. It is designed to provide a balance between performance, cost, and size for power supply designs, making it an ideal choice for engineers looking for a versatile and robust voltage regulation solution.
It delivers up to 2 A of continuous output current, with a fixed 500 kHz switching frequency. This allows for smaller external components, reducing overall solution size. The TPS5420D includes features such as internal frequency compensation, overcurrent protection, and thermal shutdown, enhancing its reliability.
The device comes in a thermally-enhanced 8-pin SOIC package, which aids in efficient heat dissipation. It is designed to provide a balance between performance, cost, and size for power supply designs, making it an ideal choice for engineers looking for a versatile and robust voltage regulation solution.
Equivalent
The TPS5420D is a DC-DC Buck Converter from Texas Instruments. Equivalent products from other manufacturers include:
1. LM2596 from Texas Instruments
2. MP1584 from Monolithic Power Systems
3. LM2675 from Texas Instruments
4. LMR14010 from Texas Instruments
5. AP1509 from Diodes Incorporated
These alternatives offer similar functionalities in terms of voltage regulation and current output, but may differ in specific parameters such as efficiency, switching frequency, and package type. Always compare datasheets for compatibility.
1. LM2596 from Texas Instruments
2. MP1584 from Monolithic Power Systems
3. LM2675 from Texas Instruments
4. LMR14010 from Texas Instruments
5. AP1509 from Diodes Incorporated
These alternatives offer similar functionalities in terms of voltage regulation and current output, but may differ in specific parameters such as efficiency, switching frequency, and package type. Always compare datasheets for compatibility.
Features
The TPS5420D is a step-down (buck) voltage regulator from Texas Instruments, designed for efficient power conversion. Key features include:
1. Wide Input Voltage Range: Supports 5.5 V to 36 V, making it suitable for a variety of applications.
2. Output Current: Can deliver up to 2 A of continuous output current.
3. Efficiency: Achieves high efficiency across its operating range, which is crucial for thermal performance and energy conservation.
4. Switching Frequency: Operates at a fixed 500 kHz, balancing size and efficiency by allowing for smaller external components.
5. Thermal Shutdown: Includes protection features like thermal shutdown to prevent damage from overheating.
6. Cycle-by-Cycle Current Limiting: Provides protection against overcurrent conditions.
7. Low Dropout Operation: Supports low output voltages close to the input voltage.
8. Internally Compensated: Simplifies design with internal loop compensation.
9. Soft Start: Integrated soft-start function to minimize inrush current during start-up.
These features make the TPS5420D suitable for applications like consumer electronics, distributed power systems, and industrial equipment.
1. Wide Input Voltage Range: Supports 5.5 V to 36 V, making it suitable for a variety of applications.
2. Output Current: Can deliver up to 2 A of continuous output current.
3. Efficiency: Achieves high efficiency across its operating range, which is crucial for thermal performance and energy conservation.
4. Switching Frequency: Operates at a fixed 500 kHz, balancing size and efficiency by allowing for smaller external components.
5. Thermal Shutdown: Includes protection features like thermal shutdown to prevent damage from overheating.
6. Cycle-by-Cycle Current Limiting: Provides protection against overcurrent conditions.
7. Low Dropout Operation: Supports low output voltages close to the input voltage.
8. Internally Compensated: Simplifies design with internal loop compensation.
9. Soft Start: Integrated soft-start function to minimize inrush current during start-up.
These features make the TPS5420D suitable for applications like consumer electronics, distributed power systems, and industrial equipment.
Pinout
The TPS5420D is a DC-DC buck converter IC from Texas Instruments, typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here are the pin functions:
1. Vin (Pin 1): Input voltage supply pin.
2. EN (Pin 2): Enable pin to turn the device on or off.
3. BOOT (Pin 3): Bootstrap capacitor connection for driving the high-side FET.
4. VSENSE (Pin 4): Feedback voltage pin used to set output voltage.
5. COMP (Pin 5): Compensation pin for stabilization and response of the control loop.
6. GND (Pin 6): Ground pin for power and signal ground.
7. OUT (Pin 7): Output switch to the inductor.
8. BP/SS (Pin 8): Bypass/Soft-start pin for controlling the startup time or providing a soft start function.
The TPS5420D is designed for step-down (buck) voltage conversion applications and supports high-efficiency power conversion with a wide input voltage range.
1. Vin (Pin 1): Input voltage supply pin.
2. EN (Pin 2): Enable pin to turn the device on or off.
3. BOOT (Pin 3): Bootstrap capacitor connection for driving the high-side FET.
4. VSENSE (Pin 4): Feedback voltage pin used to set output voltage.
5. COMP (Pin 5): Compensation pin for stabilization and response of the control loop.
6. GND (Pin 6): Ground pin for power and signal ground.
7. OUT (Pin 7): Output switch to the inductor.
8. BP/SS (Pin 8): Bypass/Soft-start pin for controlling the startup time or providing a soft start function.
The TPS5420D is designed for step-down (buck) voltage conversion applications and supports high-efficiency power conversion with a wide input voltage range.
Manufacturer
The TPS5420D is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and solutions, including integrated circuits, analog chips, and embedded processors. TI serves various industries, including automotive, industrial, consumer electronics, and communications. The company is recognized for its innovation and contributions to the electronics industry, providing components that are essential for a wide array of electronic devices and applications.
Application
The TPS5420D is a step-down DC-DC converter designed for various power management applications. Its key application areas include:
1. Consumer Electronics: Powering processors and other components in devices like TVs, set-top boxes, and gaming consoles.
2. Industrial Equipment: Providing reliable power in automation systems, motor drives, and control systems.
3. Telecommunications: Supplying power to networking equipment, such as routers and base stations.
4. Automotive Systems: Used in infotainment systems and electronic control units (ECUs).
5. Computing: Powering motherboards, hard drives, and other peripherals.
Its versatility and efficiency make it suitable for any application requiring a stable power supply with a wide input voltage range.
1. Consumer Electronics: Powering processors and other components in devices like TVs, set-top boxes, and gaming consoles.
2. Industrial Equipment: Providing reliable power in automation systems, motor drives, and control systems.
3. Telecommunications: Supplying power to networking equipment, such as routers and base stations.
4. Automotive Systems: Used in infotainment systems and electronic control units (ECUs).
5. Computing: Powering motherboards, hard drives, and other peripherals.
Its versatility and efficiency make it suitable for any application requiring a stable power supply with a wide input voltage range.
Package
The TPS5420D is a DC-DC buck converter from Texas Instruments, typically housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount technology, providing efficient thermal performance and compact design suitable for various applications.
