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TPS54229DDAR
+BOMIC REG BUCK ADJUSTABLE 2A 8SOPWR
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #TPS54229DDAR
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パッケージ HSOIC (DDA)-8
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在庫状況7714
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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 | 650kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
概要
Description
The TPS54229DDAR is a step-down (buck) DC-DC converter from Texas Instruments, designed to convert higher DC voltage to a lower DC voltage efficiently. It is part of the TPS54229 family and is packaged in an 8-pin SO PowerPAD package. This converter supports an input voltage range of 4.5V to 18V and can deliver an output current of up to 2A, making it suitable for a wide range of applications including consumer electronics, industrial equipment, and automotive systems.
The TPS54229DDAR features high efficiency, typically exceeding 90%, due to its synchronous rectification and low RDS(on) MOSFETs. It includes advanced features like adjustable switching frequency, internal soft-start, and thermal shutdown protection. It also supports fixed-frequency operation and has a frequency foldback feature, which helps in enhancing efficiency at light loads. Its compact size and minimal external component requirement make it an ideal choice for space-constrained applications. Additionally, its wide input voltage range and robust protection features ensure reliable operation in various environments.
The TPS54229DDAR features high efficiency, typically exceeding 90%, due to its synchronous rectification and low RDS(on) MOSFETs. It includes advanced features like adjustable switching frequency, internal soft-start, and thermal shutdown protection. It also supports fixed-frequency operation and has a frequency foldback feature, which helps in enhancing efficiency at light loads. Its compact size and minimal external component requirement make it an ideal choice for space-constrained applications. Additionally, its wide input voltage range and robust protection features ensure reliable operation in various environments.
Equivalent
The TPS54229DDAR is a DC-DC buck converter from Texas Instruments. Equivalent products include:
1. LM2596-ADJ from Texas Instruments - A popular adjustable voltage regulator.
2. MP1584EN from Monolithic Power Systems - A compact step-down converter.
3. AP3211 from Diodes Incorporated - A step-down DC-DC converter.
4. LM2678 from Texas Instruments - A step-down voltage regulator with higher current capabilities.
Always verify electrical characteristics and pin compatibility before substituting to ensure suitability for your application.
1. LM2596-ADJ from Texas Instruments - A popular adjustable voltage regulator.
2. MP1584EN from Monolithic Power Systems - A compact step-down converter.
3. AP3211 from Diodes Incorporated - A step-down DC-DC converter.
4. LM2678 from Texas Instruments - A step-down voltage regulator with higher current capabilities.
Always verify electrical characteristics and pin compatibility before substituting to ensure suitability for your application.
Features
The TPS54229DDAR is a step-down (buck) DC-DC converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: It supports a wide input range from 4.5 V to 18 V.
2. Output Current: Can deliver up to 2 A of continuous output current.
3. Efficiency: Offers high efficiency, often above 90%, which minimizes power loss and heat generation.
4. Switching Frequency: Provides a fixed switching frequency of 700 kHz.
5. Low Dropout: Allows for low output voltage settings near the input voltage.
6. Soft Start: Includes a programmable soft start to limit inrush current during startup.
7. Protection: Features include overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliability.
8. Package: Comes in a small, thermally-enhanced 8-pin SOIC package with PowerPAD for improved heat dissipation.
9. Applications: Suitable for use in distributed power systems, networking equipment, and consumer electronics.
These features make it an efficient and versatile choice for various power management applications.
1. Input Voltage Range: It supports a wide input range from 4.5 V to 18 V.
2. Output Current: Can deliver up to 2 A of continuous output current.
3. Efficiency: Offers high efficiency, often above 90%, which minimizes power loss and heat generation.
4. Switching Frequency: Provides a fixed switching frequency of 700 kHz.
5. Low Dropout: Allows for low output voltage settings near the input voltage.
6. Soft Start: Includes a programmable soft start to limit inrush current during startup.
7. Protection: Features include overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliability.
8. Package: Comes in a small, thermally-enhanced 8-pin SOIC package with PowerPAD for improved heat dissipation.
9. Applications: Suitable for use in distributed power systems, networking equipment, and consumer electronics.
These features make it an efficient and versatile choice for various power management applications.
Pinout
The TPS54229DDAR is a step-down (buck) converter integrated circuit from Texas Instruments. It comes in an 8-pin SO PowerPAD package. Here's a brief overview of its pin functions:
1. BOOT (Pin 1): Provides the supply voltage for the high-side gate driver.
2. VIN (Pin 2): Input supply voltage for the converter.
3. EN (Pin 3): Enable pin to turn the device on or off.
4. SS/TR (Pin 4): Soft-start and tracking pin. It controls the soft-start time and can be used for tracking applications.
5. GND (Pin 5): Ground reference for the device.
6. VSENSE (Pin 6): Feedback pin for the output voltage. It is connected to the output through a resistor divider network.
7. COMP (Pin 7): Compensation pin used to stabilize the control loop.
8. SW (Pin 8): Switch node pin that connects to the inductor and the high-side MOSFET.
This configuration supports efficient voltage conversion with integrated features like soft-start, current mode control, and thermal shutdown.
1. BOOT (Pin 1): Provides the supply voltage for the high-side gate driver.
2. VIN (Pin 2): Input supply voltage for the converter.
3. EN (Pin 3): Enable pin to turn the device on or off.
4. SS/TR (Pin 4): Soft-start and tracking pin. It controls the soft-start time and can be used for tracking applications.
5. GND (Pin 5): Ground reference for the device.
6. VSENSE (Pin 6): Feedback pin for the output voltage. It is connected to the output through a resistor divider network.
7. COMP (Pin 7): Compensation pin used to stabilize the control loop.
8. SW (Pin 8): Switch node pin that connects to the inductor and the high-side MOSFET.
This configuration supports efficient voltage conversion with integrated features like soft-start, current mode control, and thermal shutdown.
Manufacturer
The TPS54229DDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog chips and embedded processors. It is well-known for its innovation in the electronics industry, producing a wide range of products that are used in various applications, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and has a strong presence worldwide, emphasizing research and development to create solutions that help improve the efficiency, performance, and reliability of electronic equipment.
Application
The TPS54229DDAR is a synchronous buck converter used in various applications requiring efficient power management. Key application areas include:
1. Consumer Electronics: Powering processors and other digital circuits in devices like laptops, tablets, and smartphones.
2. Telecommunications: Providing power to network equipment and base stations.
3. Industrial Systems: Used in automation equipment, including PLCs and motor drives.
4. Automotive Electronics: Supplying power to infotainment systems and advanced driver-assistance systems (ADAS).
5. Embedded Systems: Powering microcontrollers and FPGAs in IoT devices and development boards.
Its features like high efficiency, compact size, and ease of integration make it suitable for a wide range of power supply applications.
1. Consumer Electronics: Powering processors and other digital circuits in devices like laptops, tablets, and smartphones.
2. Telecommunications: Providing power to network equipment and base stations.
3. Industrial Systems: Used in automation equipment, including PLCs and motor drives.
4. Automotive Electronics: Supplying power to infotainment systems and advanced driver-assistance systems (ADAS).
5. Embedded Systems: Powering microcontrollers and FPGAs in IoT devices and development boards.
Its features like high efficiency, compact size, and ease of integration make it suitable for a wide range of power supply applications.
Package
The TPS54229DDAR is a DC-DC buck converter IC from Texas Instruments, housed in an 8-pin SO PowerPAD (DDA) package. This package type features a PowerPAD for enhanced thermal performance, enabling efficient heat dissipation, which is essential for power management applications. It's designed for compact spaces where thermal management is critical.
