TPS61046YFFR

Product Overview

Category

The TPS61046YFFR 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 in various electronic devices and systems. It is commonly employed in applications where a higher voltage is required than what is available from the power source.

Characteristics

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Switching Frequency: 1.2MHz
• Package Type: DSBGA (Wafer Level Chip Scale Package)
• Essence: High-efficiency, low-power boost converter
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The TPS61046YFFR has the following specifications:

• Maximum Output Current: 500mA
• Quiescent Current: 17µA
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C
• Shutdown Current: <1µA
• Soft Start Time: 1ms

Detailed Pin Configuration

The TPS61046YFFR has six pins with the following functions:

1. VIN: Input voltage pin.
2. SW: Switching node connection for the internal boost converter.
3. FB: Feedback pin for regulating the output voltage.
4. EN: Enable pin to control the device's operation.
5. GND: Ground reference pin.
6. VOUT: Output voltage pin.

Functional Features

The TPS61046YFFR offers several functional features, including:

• Integrated synchronous rectifier for improved efficiency.
• Adjustable output voltage through external resistors.
• Overcurrent protection and thermal shutdown.
• Soft start to reduce inrush current during startup.
• Low quiescent current for power-saving applications.
• Wide input voltage range for versatile usage.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Small package size enables space-saving designs.
• Wide input voltage range allows compatibility with various power sources.
• Integrated features simplify circuit design and reduce external component count.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Sensitive to excessive heat, requiring proper thermal management.

Working Principles

The TPS61046YFFR operates as a boost converter, utilizing a switching regulator topology. It takes an input voltage within the specified range and boosts it to a higher output voltage level. This is achieved through the control of the internal switch, which rapidly switches on and off to store energy in an inductor and transfer it to the output capacitor.

Detailed Application Field Plans

The TPS61046YFFR finds application in various fields, including:

1. Portable electronic devices: Used to power displays, sensors, and other components requiring higher voltages.
2. Battery-powered systems: Enables efficient voltage boosting from low-voltage batteries.
3. IoT devices: Provides voltage step-up capabilities for wireless communication modules and sensors.
4. Automotive electronics: Used in automotive systems that require voltage up-conversion.

Detailed and Complete Alternative Models

1. TPS61047YFFR: Similar to TPS61046YFFR but with a higher maximum output current of 800mA.
2. TPS61045YFFR: Lower maximum output current of 300mA but offers lower quiescent current for ultra-low power applications.
3. TPS61220YFFR: Buck-boost converter with bidirectional voltage conversion capability.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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