仕様
| 属性 | 値 |
| Package | Tape & Reel (TR) |
| Series | DCS-Control™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Programmable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.3V |
| Voltage-Input(Max) | 10V |
| Voltage-Output(Min/Fixed) | 1.3V |
| Voltage-Output(Max) | 2.8V |
| Current-Output | 300mA |
| Frequency-Switching | Up to 2.5MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 12-WFDFN Exposed Pad |
概要
Description
The TPS627451DSSR is a high-efficiency, ultra-low power step-down (buck) DC-DC converter designed by Texas Instruments. It is specifically optimized for battery-operated applications, such as wearables, medical devices, and other portable electronics. This device is notable for its low quiescent current, typically around 360 nA, which helps extend battery life in low-power modes. It supports input voltages from 2.0 V to 5.5 V and can deliver up to 300 mA of output current.
The TPS627451DSSR operates with fixed output voltages ranging from 1.2 V to 3.3 V, ensuring flexibility for various applications. It features an automatic transition between PFM (Pulse Frequency Modulation) and PWM (Pulse Width Modulation) modes, optimizing efficiency across a wide load range. The converter also includes integrated protection features such as short-circuit protection and thermal shutdown. Its compact size and minimal external component requirements make it ideal for space-constrained applications. The TPS627451DSSR is part of the wider TPS62745 series, which offers different pin configurations and features to suit diverse application needs.
The TPS627451DSSR operates with fixed output voltages ranging from 1.2 V to 3.3 V, ensuring flexibility for various applications. It features an automatic transition between PFM (Pulse Frequency Modulation) and PWM (Pulse Width Modulation) modes, optimizing efficiency across a wide load range. The converter also includes integrated protection features such as short-circuit protection and thermal shutdown. Its compact size and minimal external component requirements make it ideal for space-constrained applications. The TPS627451DSSR is part of the wider TPS62745 series, which offers different pin configurations and features to suit diverse application needs.
Equivalent
The TPS627451DSSR is a step-down converter from Texas Instruments. Equivalent products might include the following:
1. LT1930 from Analog Devices: A high-efficiency step-down converter.
2. MIC5205 from Microchip Technology: A low-dropout voltage regulator, similar in function.
3. AP2127 from Diodes Incorporated: Offers step-down conversion capabilities.
Always check specific requirements like voltage, current, and package type to ensure compatibility.
1. LT1930 from Analog Devices: A high-efficiency step-down converter.
2. MIC5205 from Microchip Technology: A low-dropout voltage regulator, similar in function.
3. AP2127 from Diodes Incorporated: Offers step-down conversion capabilities.
Always check specific requirements like voltage, current, and package type to ensure compatibility.
Features
The TPS627451DSSR is a high-efficiency, ultra-low-power step-down DC-DC converter designed for energy-sensitive applications. Key features include:
1. Efficiency: Achieves up to 95% efficiency, optimizing power usage.
2. Low Quiescent Current: Consumes just 360 nA in operation, making it ideal for battery-powered applications.
3. Input Voltage Range: Operates from 2.0 V to 5.5 V, suitable for single-cell lithium-ion batteries.
4. Output Voltage: Adjustable from 1.3 V to 3.3 V, providing flexibility for various applications.
5. Current Capability: Supports output currents up to 300 mA.
6. Power Save Mode: Enhances efficiency during light-load conditions by reducing power consumption.
7. Output Discharge: Integrated feature for controlled discharge of the output capacitor.
8. Protections: Includes thermal shutdown and over-current protection for reliability.
9. Size and Integration: Comes in a small 6-pin WSON package, enabling compact designs.
10. Automatic Transition: Seamlessly transitions between power save mode and PWM mode for optimal performance across load conditions.
These features make it suitable for a variety of applications, including wearables, IoT devices, and portable electronics.
1. Efficiency: Achieves up to 95% efficiency, optimizing power usage.
2. Low Quiescent Current: Consumes just 360 nA in operation, making it ideal for battery-powered applications.
3. Input Voltage Range: Operates from 2.0 V to 5.5 V, suitable for single-cell lithium-ion batteries.
4. Output Voltage: Adjustable from 1.3 V to 3.3 V, providing flexibility for various applications.
5. Current Capability: Supports output currents up to 300 mA.
6. Power Save Mode: Enhances efficiency during light-load conditions by reducing power consumption.
7. Output Discharge: Integrated feature for controlled discharge of the output capacitor.
8. Protections: Includes thermal shutdown and over-current protection for reliability.
9. Size and Integration: Comes in a small 6-pin WSON package, enabling compact designs.
10. Automatic Transition: Seamlessly transitions between power save mode and PWM mode for optimal performance across load conditions.
These features make it suitable for a variety of applications, including wearables, IoT devices, and portable electronics.
Pinout
The TPS627451DSSR is a step-down converter from Texas Instruments. It comes in a 6-pin WSON (DSBGA) package. The primary function of this device is to provide efficient power management by reducing the voltage from a higher input level to a lower output level, which is particularly useful in battery-powered applications to extend battery life. It features ultra-low power consumption, making it suitable for applications that require long battery runtime, such as wearable devices and IoT applications.
The key functions of the TPS627451 include high-efficiency voltage conversion, low quiescent current, and it typically supports a wide input voltage range. It also has features like power-save mode, which helps optimize power consumption, and boasts a small solution size due to its compact package and reduced component requirements. For precise usage details and pin functions, users should refer to the official datasheet provided by Texas Instruments.
The key functions of the TPS627451 include high-efficiency voltage conversion, low quiescent current, and it typically supports a wide input voltage range. It also has features like power-save mode, which helps optimize power consumption, and boasts a small solution size due to its compact package and reduced component requirements. For precise usage details and pin functions, users should refer to the official datasheet provided by Texas Instruments.
Manufacturer
The TPS627451DSSR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world, and it focuses on developing analog chips and embedded processors, which are used in a wide range of electronic devices. The company serves multiple markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The TPS627451DSSR is a high-efficiency step-down converter designed for low-power applications. It is commonly used in areas such as portable and wearable electronics, IoT devices, and energy-harvesting systems. Its applications extend to battery-powered devices, where prolonged battery life is critical, such as wireless sensors, fitness trackers, hearing aids, and medical monitoring equipment. The device is notable for its ultra-low power consumption and small footprint, making it suitable for compact and energy-sensitive applications that require efficient voltage regulation.
Package
The TPS627451DSSR is a step-down converter from Texas Instruments, offered in a small 6-pin WSON (DSBGA) package. This package type is compact, providing efficient thermal performance and is suitable for space-constrained applications.
