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TPS63021DSJR
+Lista de MateriaisIC REG BCK BST 3.3V 3.5A 14VSON
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FabricanteTexas Instruments
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Peça do Fabricante #TPS63021DSJR
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Pacote VFDFN-14
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Em Estoque4486
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Especificações
| Atributo | Valor |
| 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 |
Visão Geral
Description
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
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
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
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.