사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck-Boost |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.8V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 3.3V |
| Current-Output | 3.5A (Switch) |
| Frequency-Switching | 2.4MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 14-VFDFN Exposed Pad |
개요
Description
The TPS63021DSJR is a buck-boost converter integrated circuit from Texas Instruments, designed for applications requiring efficient power management across varying input voltages. It operates with input voltages from 1.8V to 5.5V and can maintain a stable output voltage, making it suitable for battery-powered devices that need to function during different battery discharge stages.
The device features a high-efficiency synchronous step-up/step-down converter that can provide up to 1.2A output current. It automatically transitions between buck and boost modes to optimize performance. The TPS63021DSJR's switching frequency is adjustable, allowing for noise-sensitive applications. It also includes features like an undervoltage lockout, thermal shutdown, and short-circuit protection to enhance reliability.
Its compact size and flexibility make it ideal for use in portable electronics, smartphones, and other consumer gadgets that require consistent power delivery despite fluctuating input sources. The TPS63021DSJR is available in a small VSON package, aiding in space-constrained designs. Its robust performance and versatility make it a popular choice for developers seeking efficient power solutions in dynamic environments.
The device features a high-efficiency synchronous step-up/step-down converter that can provide up to 1.2A output current. It automatically transitions between buck and boost modes to optimize performance. The TPS63021DSJR's switching frequency is adjustable, allowing for noise-sensitive applications. It also includes features like an undervoltage lockout, thermal shutdown, and short-circuit protection to enhance reliability.
Its compact size and flexibility make it ideal for use in portable electronics, smartphones, and other consumer gadgets that require consistent power delivery despite fluctuating input sources. The TPS63021DSJR is available in a small VSON package, aiding in space-constrained designs. Its robust performance and versatility make it a popular choice for developers seeking efficient power solutions in dynamic environments.
Equivalent
The TPS63021DSJR is a buck-boost converter from Texas Instruments. Equivalent products include:
1. Maxim Integrated: MAX77812, a high-efficiency buck-boost converter.
2. Analog Devices: ADP2503, a step-up/down converter.
3. Microchip Technology: MCP1642, a buck-boost converter.
4. ROHM: BD83070GWL, a buck-boost DC/DC converter.
5. Linear Technology (Analog Devices): LTC3112, a buck-boost converter.
Ensure compatibility with your specific requirements when considering these alternatives.
1. Maxim Integrated: MAX77812, a high-efficiency buck-boost converter.
2. Analog Devices: ADP2503, a step-up/down converter.
3. Microchip Technology: MCP1642, a buck-boost converter.
4. ROHM: BD83070GWL, a buck-boost DC/DC converter.
5. Linear Technology (Analog Devices): LTC3112, a buck-boost converter.
Ensure compatibility with your specific requirements when considering these alternatives.
Features
The TPS63021DSJR is a high-efficiency buck-boost converter from Texas Instruments, designed to provide a stable output voltage from input sources that can be either above, below, or equal to the output voltage. Key features include:
1. Wide Input Voltage Range: Operates from 1.8 V to 5.5 V, suitable for single-cell lithium, two-cell alkaline, NiCd, or NiMH batteries.
2. Output Voltage Range: Adjustable from 1.2 V to 5.5 V.
3. High Efficiency: Provides efficiency of up to 96%, enhancing battery life in portable applications.
4. Output Current: Capable of delivering up to 2 A from a 3.3 V supply.
5. Automatic Transition: Seamlessly transitions between buck and boost modes, ensuring stable operation across a wide range of input voltages.
6. Low Quiescent Current: Features a low quiescent current of 50 μA, beneficial for battery-powered applications.
7. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and short-circuit protection for enhanced reliability.
8. Compact Package: Available in a 3 mm × 3 mm VSON package, ideal for space-constrained designs.
These features make the TPS63021DSJR suitable for a variety of portable and battery-operated devices.
1. Wide Input Voltage Range: Operates from 1.8 V to 5.5 V, suitable for single-cell lithium, two-cell alkaline, NiCd, or NiMH batteries.
2. Output Voltage Range: Adjustable from 1.2 V to 5.5 V.
3. High Efficiency: Provides efficiency of up to 96%, enhancing battery life in portable applications.
4. Output Current: Capable of delivering up to 2 A from a 3.3 V supply.
5. Automatic Transition: Seamlessly transitions between buck and boost modes, ensuring stable operation across a wide range of input voltages.
6. Low Quiescent Current: Features a low quiescent current of 50 μA, beneficial for battery-powered applications.
7. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and short-circuit protection for enhanced reliability.
8. Compact Package: Available in a 3 mm × 3 mm VSON package, ideal for space-constrained designs.
These features make the TPS63021DSJR suitable for a variety of portable and battery-operated devices.
Pinout
The TPS63021DSJR is a high-efficiency, buck-boost converter with a 10-pin configuration. It is designed to provide a regulated output voltage from a varying input voltage, making it suitable for battery-powered applications where the supply voltage can be above, below, or equal to the desired output voltage.
Here is a brief overview of its pin functions:
1. VIN: Input voltage pin. Connects to the power source.
2. VOUT: Output voltage pin. Delivers the regulated output.
3. GND: Ground pin. Connects to the system ground.
4. EN: Enable pin. Turns the device on or off.
5. FB: Feedback pin. Used to set the output voltage via an external resistor divider.
6. SW: Switch node pin. Connects to the inductor.
7. L1/L2: Inductor connection pins. Part of the power path for energy transfer.
8. PS/SYNC: Power save mode or external clock synchronization pin.
9. PG: Power good indicator pin. Provides a status signal to indicate output regulation.
This configuration enables flexible, efficient power management suitable for various applications where power efficiency and compactness are critical.
Here is a brief overview of its pin functions:
1. VIN: Input voltage pin. Connects to the power source.
2. VOUT: Output voltage pin. Delivers the regulated output.
3. GND: Ground pin. Connects to the system ground.
4. EN: Enable pin. Turns the device on or off.
5. FB: Feedback pin. Used to set the output voltage via an external resistor divider.
6. SW: Switch node pin. Connects to the inductor.
7. L1/L2: Inductor connection pins. Part of the power path for energy transfer.
8. PS/SYNC: Power save mode or external clock synchronization pin.
9. PG: Power good indicator pin. Provides a status signal to indicate output regulation.
This configuration enables flexible, efficient power management suitable for various applications where power efficiency and compactness are critical.
Manufacturer
The TPS63021DSJR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of integrated circuits and electronic components. They are well-known for their development of analog and embedded processing chips used in various applications, including consumer electronics, automotive systems, industrial devices, and communications equipment. TI is one of the largest semiconductor companies in the world and has a long history of innovation in electronics technology.
Application
The TPS63021DSJR is a high-efficiency buck-boost converter designed for battery-powered applications. Its application areas include portable electronic devices, smartphones, tablets, and wearable technology. It is also used in industrial and medical equipment requiring efficient power management for extended battery life. Additionally, it can be employed in point-of-load power supplies, wireless communication devices, and any systems needing a stable output voltage from a variable input voltage, such as those powered by single-cell lithium-ion batteries. Its small form factor and high efficiency make it ideal for compact and portable applications.
Package
The TPS63021DSJR is a buck-boost converter from Texas Instruments. It is packaged in a WSON (DSJ) package type, specifically a 10-pin WSON (3mm x 3mm) configuration, which is designed for compact and efficient power management solutions.
