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TPS5405DR
+物料清單IC REG BUCK 5V 2A 8SOIC
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製造商德州儀器
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製造商部分 #TPS5405DR
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包裹 SOIC (D)-8
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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 6.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 5V |
| Current-Output | 2A |
| Frequency-Switching | 50kHz ~ 1.1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The TPS5405DR is a high-efficiency, step-down DC-DC converter from Texas Instruments. It is designed for applications requiring power conversion with input voltages ranging from 5.5V to 46V. The device delivers an output current of up to 5A, making it suitable for powering a variety of electronics, including industrial and consumer applications.
Key features of the TPS5405DR include a fixed 570 kHz switching frequency, which allows for small external components and reduced system cost. It also incorporates protection features such as thermal shutdown, cycle-by-cycle current limit, and undervoltage lockout to ensure reliable operation. The internal compensation minimizes the need for additional components, and it supports adjustable output voltage settings through external resistors.
Additionally, the TPS5405DR is available in an 8-pin SOIC package and is characterized by its high efficiency and low quiescent current, which extends battery life in portable applications. Overall, it offers a compact, cost-effective solution for efficient power management.
Key features of the TPS5405DR include a fixed 570 kHz switching frequency, which allows for small external components and reduced system cost. It also incorporates protection features such as thermal shutdown, cycle-by-cycle current limit, and undervoltage lockout to ensure reliable operation. The internal compensation minimizes the need for additional components, and it supports adjustable output voltage settings through external resistors.
Additionally, the TPS5405DR is available in an 8-pin SOIC package and is characterized by its high efficiency and low quiescent current, which extends battery life in portable applications. Overall, it offers a compact, cost-effective solution for efficient power management.
Equivalent
The TPS5405DR is a step-down (buck) converter from Texas Instruments. Equivalent products from other manufacturers include the LM2596 by Texas Instruments (with different specs), MP1584 by MPS, and LM2576 by ON Semiconductor. Always compare specifications, such as voltage range, switching frequency, and special features, to ensure compatibility with your application.
Features
The TPS5405DR is a step-down converter designed for high-efficiency power supply applications. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 5.5V to 28V, making it versatile for various input sources.
2. Output Voltage: The device can deliver an adjustable output voltage from 0.76V to 25V, allowing for flexibility in voltage regulation.
3. Output Current: It supports up to 5A of continuous output current, suitable for powering moderate loads.
4. Efficiency: Designed for high efficiency, the TPS5405DR minimizes power loss across various loads.
5. Switching Frequency: The converter operates at a fixed 500 kHz switching frequency, providing a balance between efficiency and component size.
6. Protection Features: It includes over-current protection, thermal shutdown, and under-voltage lockout, enhancing reliability and safety.
7. Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package, facilitating compact PCB designs.
8. Applications: Ideal for use in consumer electronics, industrial equipment, and communication devices where space and power efficiency are critical.
These features make the TPS5405DR a robust choice for applications requiring a reliable step-down power supply solution.
1. Wide Input Voltage Range: It supports an input voltage range from 5.5V to 28V, making it versatile for various input sources.
2. Output Voltage: The device can deliver an adjustable output voltage from 0.76V to 25V, allowing for flexibility in voltage regulation.
3. Output Current: It supports up to 5A of continuous output current, suitable for powering moderate loads.
4. Efficiency: Designed for high efficiency, the TPS5405DR minimizes power loss across various loads.
5. Switching Frequency: The converter operates at a fixed 500 kHz switching frequency, providing a balance between efficiency and component size.
6. Protection Features: It includes over-current protection, thermal shutdown, and under-voltage lockout, enhancing reliability and safety.
7. Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package, facilitating compact PCB designs.
8. Applications: Ideal for use in consumer electronics, industrial equipment, and communication devices where space and power efficiency are critical.
These features make the TPS5405DR a robust choice for applications requiring a reliable step-down power supply solution.
Pinout
The TPS5405DR is a DC-DC buck converter from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. VIN: Input voltage supply pin. This is where the input voltage, typically up to 28V, is connected.
2. GND: Ground pin. Serves as the ground reference for the converter.
3. SW: Switch node output. Connects to the inductor and is involved in the switching output for step-down voltage.
4. BOOT: Bootstrap capacitor pin. Used for providing the voltage required to drive the high side FET.
5. EN: Enable pin. This pin is used to enable or disable the converter.
6. COMP: Compensation pin. Connects to the compensation network to stabilize the output voltage.
7. FB: Feedback pin. Used to sense the output voltage for regulation.
8. SS: Soft-start control pin. Manages the soft-start period to limit inrush current.
This configuration allows the TPS5405DR to efficiently convert a higher input voltage to a lower output voltage, suitable for various electronic applications.
1. VIN: Input voltage supply pin. This is where the input voltage, typically up to 28V, is connected.
2. GND: Ground pin. Serves as the ground reference for the converter.
3. SW: Switch node output. Connects to the inductor and is involved in the switching output for step-down voltage.
4. BOOT: Bootstrap capacitor pin. Used for providing the voltage required to drive the high side FET.
5. EN: Enable pin. This pin is used to enable or disable the converter.
6. COMP: Compensation pin. Connects to the compensation network to stabilize the output voltage.
7. FB: Feedback pin. Used to sense the output voltage for regulation.
8. SS: Soft-start control pin. Manages the soft-start period to limit inrush current.
This configuration allows the TPS5405DR to efficiently convert a higher input voltage to a lower output voltage, suitable for various electronic applications.
Manufacturer
The TPS5405DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including analog and digital embedded processors, integrated circuits, and other semiconductor devices. TI is known for its focus on innovation and technology development, serving various industries such as automotive, industrial, consumer electronics, and communications. The company is headquartered in Dallas, Texas, and has a significant presence in both research and development as well as manufacturing across the world.
Application
The TPS5405DR is a step-down (buck) DC-DC converter designed for a variety of applications. Its key application areas include:
1. Consumer Electronics: Used in powering devices such as TVs, set-top boxes, and gaming consoles.
2. Industrial Systems: Suitable for powering sensors, controllers, and communication equipment.
3. Telecommunications: Utilized in networking equipment like routers, switches, and base stations.
4. Automotive: Provides stable power for infotainment and advanced driver-assistance systems (ADAS).
5. Computing: Powers peripherals and components in laptops and desktops.
6. Embedded Systems: Used in microcontroller-based applications requiring efficient power management.
The device's compact size and efficiency make it ideal for space-constrained and energy-sensitive applications.
1. Consumer Electronics: Used in powering devices such as TVs, set-top boxes, and gaming consoles.
2. Industrial Systems: Suitable for powering sensors, controllers, and communication equipment.
3. Telecommunications: Utilized in networking equipment like routers, switches, and base stations.
4. Automotive: Provides stable power for infotainment and advanced driver-assistance systems (ADAS).
5. Computing: Powers peripherals and components in laptops and desktops.
6. Embedded Systems: Used in microcontroller-based applications requiring efficient power management.
The device's compact size and efficiency make it ideal for space-constrained and energy-sensitive applications.
Package
The TPS5405DR is a DC-DC step-down converter from Texas Instruments, typically provided in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface-mount technology, commonly used in power management applications.
