TPS61043DRBT

Product Overview

Category

The TPS61043DRBT belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used to regulate and boost voltage levels in various electronic devices. It provides a stable output voltage, making it suitable for battery-powered applications.

Characteristics

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 400mA
• Efficiency: Up to 95%
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Package

The TPS61043DRBT is available in a small outline package (SOT-23-6), which is compact and easy to integrate into circuit designs.

Essence

The essence of the TPS61043DRBT lies in its ability to efficiently boost low input voltages to higher output voltages, enabling reliable operation of electronic devices with limited power sources.

Packaging/Quantity

The TPS61043DRBT is typically sold in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 400mA
• Switching Frequency: 1.2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Package: SOT-23-6

Detailed Pin Configuration

The TPS61043DRBT has six pins arranged as follows:

```

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| | --| VIN SW |-- --| GND FB |-- --| EN VOUT|-- |___________| ```

1. VIN: Input voltage pin.
2. SW: Switching node pin.
3. GND: Ground pin.
4. FB: Feedback pin for output voltage regulation.
5. EN: Enable pin to control the IC's operation.
6. VOUT: Output voltage pin.

Functional Features

• Wide Input Voltage Range: The TPS61043DRBT can operate with input voltages as low as 0.7V, making it suitable for various battery-powered applications.
• High Efficiency: With an efficiency of up to 95%, this IC minimizes power losses and maximizes battery life.
• Output Voltage Regulation: The feedback pin (FB) allows precise regulation of the output voltage, ensuring stable and reliable performance.
• Enable Control: The enable pin (EN) provides a convenient way to turn the IC on or off, conserving power when not in use.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• High efficiency reduces power consumption and extends battery life.
• Compact package facilitates integration into space-constrained designs.
• Precise output voltage regulation ensures stable device operation.

Disadvantages

• Maximum output current of 400mA may limit its use in high-power applications.
• Limited availability of alternative models with similar specifications.

Working Principles

The TPS61043DRBT operates based on a boost converter topology. It utilizes an internal switch to convert the input voltage to a higher output voltage. The switching frequency of 1.2MHz allows for efficient power conversion while minimizing the size of external components.

When enabled, the IC controls the switch to rapidly turn on and off, storing energy in an inductor during the on-time and releasing it to the output during the off-time. This process boosts the input voltage to the desired output voltage level.

Detailed Application Field Plans

The TPS61043DRBT finds applications in various electronic devices that require a stable and regulated power supply. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, and portable media players can benefit from the TPS61043DRBT's ability to boost battery voltages and extend device runtime.
2. Wearable Devices: Fitness trackers, smartwatches, and other wearable gadgets often operate on low-voltage batteries, making the TPS61043DRBT an ideal choice for voltage boosting.
3. IoT Devices: Internet of Things (IoT) devices, such as sensors and wireless modules, often rely on limited power sources. The TPS61043DRBT can ensure reliable operation in these applications.
4. Medical Devices: Battery-powered medical devices, including glucose meters and portable monitors, can utilize the TPS61043DRBT to maintain stable power supply levels.

Detailed and Complete Alternative Models

While the TPS61043DRBT offers unique specifications and features, there are alternative models