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TPS54227DDAR
+物料清單IC REG BUCK ADJUSTABLE 2A 8SOPWR
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製造商德州儀器
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製造商部分 #TPS54227DDAR
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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 | 2A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
概述
Description
The TPS54227DDAR is a step-down (buck) DC-DC converter from Texas Instruments, designed to provide a high-efficiency power conversion solution. It integrates a 4.5 V to 18 V input voltage range, making it suitable for a wide array of power management applications. The device can deliver an output current of up to 2 A, with a fixed switching frequency of 700 kHz, which helps in optimizing the size of external components and achieving a good balance between efficiency and transient response.
Key features include an adjustable output voltage, internal compensation for simplified design, and a high-efficiency synchronous step-down architecture. The device also offers protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust operation under varying conditions.
Packaged in a compact SOIC-8 (DDA) package, the TPS54227DDAR is ideal for applications in consumer electronics, telecommunications, and industrial equipment, where space and efficiency are critical considerations. Its design promotes reduced electromagnetic interference (EMI) and improved performance in portable and space-constrained applications.
Key features include an adjustable output voltage, internal compensation for simplified design, and a high-efficiency synchronous step-down architecture. The device also offers protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust operation under varying conditions.
Packaged in a compact SOIC-8 (DDA) package, the TPS54227DDAR is ideal for applications in consumer electronics, telecommunications, and industrial equipment, where space and efficiency are critical considerations. Its design promotes reduced electromagnetic interference (EMI) and improved performance in portable and space-constrained applications.
Equivalent
Equivalent products to the TPS54227DDAR chip include:
1. LM2596 by Texas Instruments
2. MP1584 by MPS (Monolithic Power Systems)
3. LM2576 by Texas Instruments
4. ADP2303 by Analog Devices
5. SY8089 by Silergy
These alternatives offer similar functionalities for DC-DC buck conversion, but it's essential to compare datasheets for specific characteristics like voltage, current ratings, and efficiency to ensure compatibility with your application.
1. LM2596 by Texas Instruments
2. MP1584 by MPS (Monolithic Power Systems)
3. LM2576 by Texas Instruments
4. ADP2303 by Analog Devices
5. SY8089 by Silergy
These alternatives offer similar functionalities for DC-DC buck conversion, but it's essential to compare datasheets for specific characteristics like voltage, current ratings, and efficiency to ensure compatibility with your application.
Features
The TPS54227DDAR is a synchronous buck converter designed by Texas Instruments, providing efficient power conversion for various applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 18V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 2A continuous output current.
3. Output Voltage: Adjustable output voltage using an external feedback resistor divider.
4. Efficiency: Offers high efficiency, optimizing power use and minimizing heat generation.
5. Switching Frequency: Operates at a fixed 700 kHz switching frequency, balancing efficiency and component size.
6. Protection Features: Includes over-current protection, thermal shutdown, and UVLO (undervoltage lockout) to ensure safe operation.
7. Soft Start: Features an internal slow-start control to prevent inrush current during power-up.
8. Compact Package: Available in an 8-pin SO PowerPAD package, facilitating compact design layouts.
These features make the TPS54227DDAR suitable for powering microprocessors, FPGAs, and other digital ICs in consumer electronics, telecommunications, and industrial equipment.
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 18V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 2A continuous output current.
3. Output Voltage: Adjustable output voltage using an external feedback resistor divider.
4. Efficiency: Offers high efficiency, optimizing power use and minimizing heat generation.
5. Switching Frequency: Operates at a fixed 700 kHz switching frequency, balancing efficiency and component size.
6. Protection Features: Includes over-current protection, thermal shutdown, and UVLO (undervoltage lockout) to ensure safe operation.
7. Soft Start: Features an internal slow-start control to prevent inrush current during power-up.
8. Compact Package: Available in an 8-pin SO PowerPAD package, facilitating compact design layouts.
These features make the TPS54227DDAR suitable for powering microprocessors, FPGAs, and other digital ICs in consumer electronics, telecommunications, and industrial equipment.
Pinout
The TPS54227DDAR is a synchronous buck converter IC from Texas Instruments, designed for step-down voltage conversion. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. BOOT: Bootstrap capacitor connection.
2. VIN: Input voltage supply.
3. EN: Enable pin for device activation.
4. SS/TR: Soft-start or tracking input.
5. GND: Ground reference.
6. SW: Switch node, where the inductor is connected.
7. COMP: Compensation for the error amplifier.
8. FB: Feedback input for the regulation loop.
These pin functions support the device's capability to efficiently convert a higher input voltage to a lower output voltage, suitable for various applications in power management.
1. BOOT: Bootstrap capacitor connection.
2. VIN: Input voltage supply.
3. EN: Enable pin for device activation.
4. SS/TR: Soft-start or tracking input.
5. GND: Ground reference.
6. SW: Switch node, where the inductor is connected.
7. COMP: Compensation for the error amplifier.
8. FB: Feedback input for the regulation loop.
These pin functions support the device's capability to efficiently convert a higher input voltage to a lower output voltage, suitable for various applications in power management.
Manufacturer
The TPS54227DDAR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. The company is well-known for its wide range of products, including analog electronics, digital signal processors, and calculators. TI operates in multiple sectors, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. It is recognized for its significant contributions to the advancement of semiconductor technology and its role as a major player in the electronics and technology industries.
Application
The TPS54227DDAR is a DC-DC buck converter designed for various applications requiring efficient voltage regulation. Key application areas include:
1. Consumer Electronics: Power management for devices like TVs, set-top boxes, and gaming consoles.
2. Computing: Used in power supply units for desktops, notebooks, and servers.
3. Industrial Equipment: Suitable for powering control systems, sensors, and communication modules.
4. Telecommunications: Supports power regulation in networking equipment and base stations.
5. Automotive Systems: Provides reliable power conversion in infotainment systems and advanced driver-assistance systems (ADAS).
Its high efficiency and compact size make it ideal for applications with limited space and high-performance requirements.
1. Consumer Electronics: Power management for devices like TVs, set-top boxes, and gaming consoles.
2. Computing: Used in power supply units for desktops, notebooks, and servers.
3. Industrial Equipment: Suitable for powering control systems, sensors, and communication modules.
4. Telecommunications: Supports power regulation in networking equipment and base stations.
5. Automotive Systems: Provides reliable power conversion in infotainment systems and advanced driver-assistance systems (ADAS).
Its high efficiency and compact size make it ideal for applications with limited space and high-performance requirements.
Package
The TPS54227DDAR is a DC-DC buck converter from Texas Instruments, and it comes in an 8-pin SO PowerPAD package. This package type is designed to enhance thermal performance and offer a compact solution for the component.
