Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.3V |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 3.3V |
| Current-Output | 1A |
| Frequency-Switching | 2.25MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 6-WDFN Exposed Pad |
Overview
Description
The TPS62291DRVR is a high-efficiency step-down DC-DC converter designed by Texas Instruments. It is part of the TPS62291 series, optimized for portable and battery-powered applications requiring low power consumption. Operating with a wide input voltage range of 2.3V to 6V, it provides a fixed output voltage, typically at 1.8V, and supports load currents up to 1A. The device achieves high efficiency through pulse width modulation (PWM) and pulse frequency modulation (PFM) modes, ensuring low power loss even at light loads.
Key features include an automatic transition between PWM and PFM, enabling efficient operation across various load conditions. The TPS62291DRVR comes in a small, thermally efficient 6-pin SON package, suitable for space-constrained applications. It also includes protection features like over-current and thermal shutdown, enhancing device reliability.
Applications include mobile devices, portable audio players, and other battery-operated electronics where extended battery life and efficient power management are crucial. Its compact size and high efficiency make it ideal for designers looking to optimize space and energy use in their products.
Key features include an automatic transition between PWM and PFM, enabling efficient operation across various load conditions. The TPS62291DRVR comes in a small, thermally efficient 6-pin SON package, suitable for space-constrained applications. It also includes protection features like over-current and thermal shutdown, enhancing device reliability.
Applications include mobile devices, portable audio players, and other battery-operated electronics where extended battery life and efficient power management are crucial. Its compact size and high efficiency make it ideal for designers looking to optimize space and energy use in their products.
Equivalent
The TPS62291DRVR is a step-down converter from Texas Instruments. Equivalent products with similar specifications might include:
1. MAX17225 from Maxim Integrated
2. RT8059 from Richtek
3. MIC33163 from Microchip Technology
4. AP3415 from Diodes Incorporated
When choosing an equivalent, ensure you check specific parameters like output current, voltage range, efficiency, and package type to ensure compatibility with your application.
1. MAX17225 from Maxim Integrated
2. RT8059 from Richtek
3. MIC33163 from Microchip Technology
4. AP3415 from Diodes Incorporated
When choosing an equivalent, ensure you check specific parameters like output current, voltage range, efficiency, and package type to ensure compatibility with your application.
Features
The TPS62291DRVR is a high-efficiency step-down DC-DC converter designed by Texas Instruments. Its main features include:
1. Input Voltage Range: It operates with an input voltage range from 2 V to 6 V, making it suitable for battery-powered applications.
2. Output Voltage: It supports adjustable output voltages as low as 0.8 V.
3. Output Current: The device can deliver up to 1 A of output current.
4. Efficiency: It offers high efficiency, often exceeding 90%, which is crucial for extending battery life.
5. Switching Frequency: The converter features a 2.25 MHz fixed switching frequency, enabling the use of small inductors and capacitors.
6. Low Quiescent Current: The device has a low quiescent current, typically around 20 µA, enhancing battery life in standby mode.
7. Soft Start: It includes a soft-start feature to limit inrush current during startup.
8. Protection: Built-in protection features include thermal shutdown, overcurrent protection, and undervoltage lockout.
9. Package: Available in a compact and thermally efficient 10-pin QFN package.
These features make the TPS62291DRVR ideal for portable devices and other applications requiring efficient power management.
1. Input Voltage Range: It operates with an input voltage range from 2 V to 6 V, making it suitable for battery-powered applications.
2. Output Voltage: It supports adjustable output voltages as low as 0.8 V.
3. Output Current: The device can deliver up to 1 A of output current.
4. Efficiency: It offers high efficiency, often exceeding 90%, which is crucial for extending battery life.
5. Switching Frequency: The converter features a 2.25 MHz fixed switching frequency, enabling the use of small inductors and capacitors.
6. Low Quiescent Current: The device has a low quiescent current, typically around 20 µA, enhancing battery life in standby mode.
7. Soft Start: It includes a soft-start feature to limit inrush current during startup.
8. Protection: Built-in protection features include thermal shutdown, overcurrent protection, and undervoltage lockout.
9. Package: Available in a compact and thermally efficient 10-pin QFN package.
These features make the TPS62291DRVR ideal for portable devices and other applications requiring efficient power management.
Pinout
The TPS62291DRVR is a step-down converter from Texas Instruments. It comes in a 6-pin WSON (DRV) package. Below are the functions of each pin:
1. EN (Enable): This pin is used to enable or disable the device. It is an input pin.
2. GND (Ground): This pin is connected to the ground of the circuit.
3. SW (Switch): This is the switch node pin, which connects to the inductor and is part of the power path.
4. VOUT (Output Voltage): This pin provides the regulated output voltage from the converter.
5. VIN (Input Voltage): This is the input supply pin of the converter.
6. FB (Feedback): This pin is used for the feedback loop to regulate the output voltage. It is connected to the output voltage divider.
The TPS62291DRVR is designed for low-power applications and provides high efficiency, making it suitable for battery-operated devices.
1. EN (Enable): This pin is used to enable or disable the device. It is an input pin.
2. GND (Ground): This pin is connected to the ground of the circuit.
3. SW (Switch): This is the switch node pin, which connects to the inductor and is part of the power path.
4. VOUT (Output Voltage): This pin provides the regulated output voltage from the converter.
5. VIN (Input Voltage): This is the input supply pin of the converter.
6. FB (Feedback): This pin is used for the feedback loop to regulate the output voltage. It is connected to the output voltage divider.
The TPS62291DRVR is designed for low-power applications and provides high efficiency, making it suitable for battery-operated devices.
Manufacturer
The TPS62291DRVR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It supplies these products to electronics designers and manufacturers globally. TI is particularly known for its analog chips and embedded processors, which are used in a wide range of electronic applications, including industrial, automotive, personal electronics, and communications equipment.
Application
The TPS62291DRVR is a high-efficiency step-down DC-DC converter commonly used in various applications requiring efficient power management. Key application areas include portable and battery-powered devices, such as smartphones, tablets, and wearables, due to its ability to extend battery life. It's also utilized in industrial and consumer electronics for powering microcontrollers, processors, and other digital circuits. Additionally, its compact size and high efficiency make it suitable for IoT devices, wireless communication modules, and low-power RF applications. The TPS62291DRVR is favored in systems where space is limited and efficient voltage regulation is critical.
Package
The TPS62291DRVR is a step-down converter manufactured by Texas Instruments, and it comes in a WSON (Wafer-Level Small Outline No-Lead) package type. Specifically, it is available in a 6-pin DRV package with dimensions of approximately 2.0 mm x 2.0 mm, designed for compact solutions in power management applications.
