TPS61280AYFFR

Product Overview

Category

The TPS61280AYFFR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators classification.

Use

This product is primarily used for boosting or stepping up voltage levels efficiently. It is commonly employed in various electronic devices where a higher voltage is required than what is available from the power source.

Characteristics

• High efficiency: The TPS61280AYFFR offers high conversion efficiency, ensuring minimal power loss during voltage conversion.
• Wide input voltage range: It can accept input voltages ranging from 2.3V to 5.5V, making it compatible with a wide range of power sources.
• Adjustable output voltage: The output voltage can be adjusted within a range of 1.8V to 5.5V, providing flexibility for different applications.
• Low quiescent current: The device features low quiescent current consumption, contributing to overall power efficiency.
• Small package size: The TPS61280AYFFR is available in a small, space-saving package, making it suitable for compact electronic designs.

Package and Quantity

The TPS61280AYFFR is packaged in a 20-pin, 3mm x 3mm QFN (Quad Flat No-Lead) package. It is typically sold in reels containing a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 1.2A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS61280AYFFR has a total of 20 pins. The pin configuration is as follows:

1. EN (Enable)
2. PG (Power Good)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. SW (Switch Node)
6. GND (Ground)
7. VIN (Input Voltage)
8. AGND (Analog Ground)
9. LX (Inductor Connection)
10. BST (Bootstrap Capacitor Connection)
11. SS/TR (Soft Start/Tracking)
12. NC (No Connection)
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC

Functional Features

• High-efficiency voltage boosting: The TPS61280AYFFR efficiently boosts the input voltage to a higher level, ensuring optimal power transfer.
• Power good indication: The PG pin provides a signal indicating when the output voltage has reached a stable and acceptable level.
• Enable/disable control: The EN pin allows for easy enablement or disablement of the device, conserving power when not in use.
• Soft start and tracking: The SS/TR pin enables soft start functionality, gradually ramping up the output voltage to prevent excessive current draw during startup.

Advantages and Disadvantages

Advantages

• High conversion efficiency minimizes power loss.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility for different applications.
• Small package size saves space in electronic designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Operating temperature range may restrict usage in extreme environments.

Working Principles

The TPS61280AYFFR operates based on a switching regulator topology. It utilizes an inductor, capacitor, and MOSFET switches to efficiently convert the input voltage to a higher output voltage. The device employs pulse width modulation (PWM) techniques to regulate the output voltage and maintain stability.

Detailed Application Field Plans

The TPS61280AYFFR finds applications in various electronic devices, including but not limited to: - Battery-powered portable devices - Wireless communication systems - Industrial automation equipment - Automotive electronics - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

1. TPS61281AYFFR: Similar to TPS61280AYFFR with a higher maximum output current of 1.5A.
2. TPS61282AYFFR: Similar to TPS61280AYFFR with an extended input voltage range of 2.3V to 6.5V.
3. TPS61283AYFFR: Similar to TPS61280AYFFR with an adjustable output voltage range of 1.2V to 5.5V.

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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