仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.05V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Current - Output | 500mA |
| Frequency - Switching | 3MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
The TPS62231DRYR is a high-efficiency step-down DC-DC converter from Texas Instruments. It is designed for portable and battery-powered applications, offering an input voltage range from 2.05V to 6.0V, making it suitable for single-cell Li-Ion batteries or multiple alkaline/NiMH cells. The device can deliver an output current of up to 500mA with a fixed output voltage of 1.8V.
Key features include a high-efficiency rate of up to 95%, a low quiescent current of 15 µA, and the use of a power-save mode to enhance battery life during low-load conditions. It operates at a 2.25 MHz switching frequency, allowing the use of small inductors and capacitors, reducing overall board space. The TPS62231DRYR also includes features like thermal shutdown, over-current protection, and a power-good output.
Its compact 2x2 mm SON package is ideal for space-constrained designs. This converter is commonly used in applications like smartphones, GPS devices, and other portable electronic equipment.
Key features include a high-efficiency rate of up to 95%, a low quiescent current of 15 µA, and the use of a power-save mode to enhance battery life during low-load conditions. It operates at a 2.25 MHz switching frequency, allowing the use of small inductors and capacitors, reducing overall board space. The TPS62231DRYR also includes features like thermal shutdown, over-current protection, and a power-good output.
Its compact 2x2 mm SON package is ideal for space-constrained designs. This converter is commonly used in applications like smartphones, GPS devices, and other portable electronic equipment.
Equivalent
The TPS62231DRYR is a step-down DC-DC converter from Texas Instruments. Equivalent products include:
1. MAX16903 - A step-down converter from Maxim Integrated.
2. RT8059 - From Richtek, it offers similar specifications.
3. LM3671 - Another Texas Instruments step-down converter with comparable features.
4. MIC23150 - From Microchip Technology, offering similar functionality.
Always verify pin compatibility and electrical specifications before substituting.
1. MAX16903 - A step-down converter from Maxim Integrated.
2. RT8059 - From Richtek, it offers similar specifications.
3. LM3671 - Another Texas Instruments step-down converter with comparable features.
4. MIC23150 - From Microchip Technology, offering similar functionality.
Always verify pin compatibility and electrical specifications before substituting.
Features
The TPS62231DRYR is a high-efficiency, synchronous step-down DC-DC converter designed by Texas Instruments. Key features include:
1. Input Voltage Range: Operates with an input voltage range from 2.05V to 6V, making it suitable for battery-powered applications.
2. Output Voltage: Provides a fixed output voltage of 3.3V.
3. Output Current: Capable of delivering up to 500mA of output current.
4. Efficiency: Offers high efficiency, typically over 90%, which extends battery life in portable devices.
5. Switching Frequency: Features a 2.25MHz switching frequency, facilitating the use of small external components and allowing for a compact overall design.
6. Quiescent Current: Low quiescent current of around 22µA, optimizing power usage during light-load conditions.
7. Automatic PFM/PWM Mode Switching: Adjusts between Pulse Frequency Modulation (PFM) and Pulse Width Modulation (PWM) for improved efficiency across various load conditions.
8. Thermal Shutdown and Overcurrent Protection: Provides protection against over-temperature and overcurrent scenarios.
9. Compact Package: Available in a small 6-pin SON package, ideal for space-constrained applications.
These features make the TPS62231DRYR suitable for various portable and battery-powered applications requiring efficient power conversion.
1. Input Voltage Range: Operates with an input voltage range from 2.05V to 6V, making it suitable for battery-powered applications.
2. Output Voltage: Provides a fixed output voltage of 3.3V.
3. Output Current: Capable of delivering up to 500mA of output current.
4. Efficiency: Offers high efficiency, typically over 90%, which extends battery life in portable devices.
5. Switching Frequency: Features a 2.25MHz switching frequency, facilitating the use of small external components and allowing for a compact overall design.
6. Quiescent Current: Low quiescent current of around 22µA, optimizing power usage during light-load conditions.
7. Automatic PFM/PWM Mode Switching: Adjusts between Pulse Frequency Modulation (PFM) and Pulse Width Modulation (PWM) for improved efficiency across various load conditions.
8. Thermal Shutdown and Overcurrent Protection: Provides protection against over-temperature and overcurrent scenarios.
9. Compact Package: Available in a small 6-pin SON package, ideal for space-constrained applications.
These features make the TPS62231DRYR suitable for various portable and battery-powered applications requiring efficient power conversion.
Pinout
The TPS62231DRYR is a step-down converter manufactured by Texas Instruments. It is commonly used for powering portable devices and systems that require high efficiency and compact size. The device is typically available in a 6-pin SON (Small Outline No-lead) package. Here are the functions of each pin:
1. EN (Enable): This pin is used to enable or disable the device. A high logic level enables the device, while a low logic level disables it.
2. GND (Ground): This pin is the ground reference for the device.
3. SW (Switch): This is the switch node pin, connected to the inductor and the internal MOSFET switch.
4. VIN (Input Voltage): This pin is where the input voltage is applied. It powers the device and should be connected to the supply voltage.
5. FB (Feedback): This pin is used to connect to the output voltage through a resistor divider to set the output voltage.
6. VOUT (Output Voltage): This pin provides the regulated output voltage to the load.
This device is known for its efficient power conversion and low quiescent current, ideal for battery-powered applications.
1. EN (Enable): This pin is used to enable or disable the device. A high logic level enables the device, while a low logic level disables it.
2. GND (Ground): This pin is the ground reference for the device.
3. SW (Switch): This is the switch node pin, connected to the inductor and the internal MOSFET switch.
4. VIN (Input Voltage): This pin is where the input voltage is applied. It powers the device and should be connected to the supply voltage.
5. FB (Feedback): This pin is used to connect to the output voltage through a resistor divider to set the output voltage.
6. VOUT (Output Voltage): This pin provides the regulated output voltage to the load.
This device is known for its efficient power conversion and low quiescent current, ideal for battery-powered applications.
Manufacturer
The manufacturer of the TPS62231DRYR is Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company headquartered in Dallas, Texas. It is known for designing and manufacturing a wide range of analog and embedded processing chips, which are used in various electronic applications. TI's products and solutions serve a wide array of industries, including consumer electronics, automotive, industrial, and communications equipment. The company is recognized for its innovation in semiconductor technology and has a strong focus on research and development.
Application
The TPS62231DRYR is a high-efficiency step-down DC-DC converter designed for various applications. It is commonly used in portable electronics, battery-powered devices, and handheld equipment due to its low power consumption and compact packaging. The device suits applications like smartphones, tablets, and GPS units, where efficient power management is crucial. It is also utilized in industrial and medical devices requiring stable voltage regulation under varying load conditions. Additionally, it supports communication devices and sensors within IoT applications, benefiting from its ability to extend battery life and minimize heat generation.
Package
The TPS62231DRYR is a step-down converter from Texas Instruments and comes in a 6-pin SON (Small Outline No-lead) package. The specific package designation is DRY, which typically refers to a 2x2 mm SON package.
