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TPS54302DDCR
+Lista de MateriaisIC REG BUCK ADJ 3A TSOT23-6
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54302DDCR
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Ficha Técnica TPS54302DDCR DataSheet
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Pacote SOT23-6
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.596V |
| Voltage-Output(Max) | 28V |
| Current-Output | 3A |
| Frequency-Switching | 400kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 Thin, TSOT-23-6 |
Visão Geral
Description
The TPS54302DDCR is a step-down (buck) DC-DC converter manufactured by Texas Instruments. It is part of the TPS5430x family designed for high-efficiency power conversion in a compact package. The device operates with a wide input voltage range of 4.5V to 28V and delivers an output current of up to 3A, making it suitable for a variety of applications, including industrial and consumer electronics.
Key features of the TPS54302DDCR include a fixed 570 kHz switching frequency, high efficiency up to 95%, and an adjustable output voltage down to 0.8V. It also incorporates an internal soft-start, thermal shutdown, and current limit protection to enhance reliability and performance. The converter is available in a small, thermally enhanced 8-pin SOIC package, making it ideal for space-constrained designs.
This device is favored in designs where space, efficiency, and reliable output power are critical, enabling designers to develop compact and efficient power management solutions.
Key features of the TPS54302DDCR include a fixed 570 kHz switching frequency, high efficiency up to 95%, and an adjustable output voltage down to 0.8V. It also incorporates an internal soft-start, thermal shutdown, and current limit protection to enhance reliability and performance. The converter is available in a small, thermally enhanced 8-pin SOIC package, making it ideal for space-constrained designs.
This device is favored in designs where space, efficiency, and reliable output power are critical, enabling designers to develop compact and efficient power management solutions.
Equivalent
Equivalent products to the TPS54302DDCR chip, a step-down (buck) converter from Texas Instruments, include:
1. LMR33630 - from Texas Instruments
2. MP2459 - from Monolithic Power Systems
3. LM2596 - from Texas Instruments
4. AP63356 - from Diodes Incorporated
5. RT8259 - from Richtek Technology
These alternatives offer similar functionalities and specifications for DC-DC buck conversion applications. Always check datasheets for precise compatibility.
1. LMR33630 - from Texas Instruments
2. MP2459 - from Monolithic Power Systems
3. LM2596 - from Texas Instruments
4. AP63356 - from Diodes Incorporated
5. RT8259 - from Richtek Technology
These alternatives offer similar functionalities and specifications for DC-DC buck conversion applications. Always check datasheets for precise compatibility.
Features
The TPS54302DDCR is a high-efficiency, synchronous buck converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: Supports a wide input range from 4.5V to 28V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Efficiency: High efficiency levels, often exceeding 90%, due to its synchronous rectification design.
4. Switching Frequency: Operates at a fixed switching frequency of 570 kHz, optimizing efficiency and size.
5. Integrated MOSFETs: Contains internal high-side and low-side MOSFETs, reducing the need for external components and simplifying design.
6. Soft Start: Features a built-in soft start to prevent inrush current during power-up.
7. Protection Features: Includes overcurrent, thermal shutdown, and undervoltage lockout protections for enhanced reliability.
8. Package: Available in an 8-pin SOIC package (DDC), facilitating compact PCB layout.
9. Light Load Efficiency: Incorporates Eco-mode for improved efficiency at light loads.
These features make the TPS54302DDCR suitable for a wide range of power management applications in telecommunications, consumer electronics, and industrial equipment.
1. Input Voltage Range: Supports a wide input range from 4.5V to 28V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Efficiency: High efficiency levels, often exceeding 90%, due to its synchronous rectification design.
4. Switching Frequency: Operates at a fixed switching frequency of 570 kHz, optimizing efficiency and size.
5. Integrated MOSFETs: Contains internal high-side and low-side MOSFETs, reducing the need for external components and simplifying design.
6. Soft Start: Features a built-in soft start to prevent inrush current during power-up.
7. Protection Features: Includes overcurrent, thermal shutdown, and undervoltage lockout protections for enhanced reliability.
8. Package: Available in an 8-pin SOIC package (DDC), facilitating compact PCB layout.
9. Light Load Efficiency: Incorporates Eco-mode for improved efficiency at light loads.
These features make the TPS54302DDCR suitable for a wide range of power management applications in telecommunications, consumer electronics, and industrial equipment.
Pinout
The TPS54302DDCR is a step-down (buck) converter produced by Texas Instruments. It comes in an 8-pin package, specifically the SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pins and functions:
1. BOOT: Bootstrap capacitor connection for the high-side MOSFET driver.
2. VIN: Input voltage supply pin.
3. EN: Enable pin. Used to enable or disable the device.
4. FB: Feedback voltage pin. Connects to the output voltage divider to set the output voltage.
5. GND: Ground connection.
6. SW: Switch node. Connects to the inductor and provides a path for current flow.
7. VREG: Internal voltage regulator output, typically connected to an external capacitor.
8. PG: Power good indicator pin. Provides a status signal for proper output voltage.
This IC is designed for efficient power conversion in various applications, offering features like high efficiency, integrated MOSFETs, and protection mechanisms.
1. BOOT: Bootstrap capacitor connection for the high-side MOSFET driver.
2. VIN: Input voltage supply pin.
3. EN: Enable pin. Used to enable or disable the device.
4. FB: Feedback voltage pin. Connects to the output voltage divider to set the output voltage.
5. GND: Ground connection.
6. SW: Switch node. Connects to the inductor and provides a path for current flow.
7. VREG: Internal voltage regulator output, typically connected to an external capacitor.
8. PG: Power good indicator pin. Provides a status signal for proper output voltage.
This IC is designed for efficient power conversion in various applications, offering features like high efficiency, integrated MOSFETs, and protection mechanisms.
Manufacturer
The TPS54302DDCR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company specializes in producing analog chips and embedded processors, which are critical components used in a wide range of electronic devices. TI's products are prevalent in applications across industrial, automotive, personal electronics, communications, and enterprise systems. It is known for its innovation in semiconductor technology, and its offerings include power management chips, microcontrollers, and signal processing devices.
Application
The TPS54302DDCR is a step-down DC-DC converter commonly used in applications requiring efficient power management. Key application areas include:
1. Consumer Electronics: Powering processors and peripherals in devices like smartphones and tablets.
2. Industrial Automation: Supplying regulated power to microcontrollers and sensors.
3. Telecommunications: Managing power in network equipment and communication devices.
4. Automotive: Providing stable voltage for infotainment systems and control modules.
5. Medical Devices: Ensuring reliable power in portable diagnostic equipment.
6. LED Lighting: Driving LED arrays with consistent voltage.
Its compact size, high efficiency, and wide input voltage range make it suitable for diverse applications where space and power efficiency are critical.
1. Consumer Electronics: Powering processors and peripherals in devices like smartphones and tablets.
2. Industrial Automation: Supplying regulated power to microcontrollers and sensors.
3. Telecommunications: Managing power in network equipment and communication devices.
4. Automotive: Providing stable voltage for infotainment systems and control modules.
5. Medical Devices: Ensuring reliable power in portable diagnostic equipment.
6. LED Lighting: Driving LED arrays with consistent voltage.
Its compact size, high efficiency, and wide input voltage range make it suitable for diverse applications where space and power efficiency are critical.
Package
The TPS54302DDCR is a DC-DC buck converter from Texas Instruments. It comes in an 8-pin VSON (Very Thin Small Outline No-Lead) package, which is compact and suitable for space-constrained applications. The specific package dimensions for the VSON can be found in the device's datasheet.
