TPS61041QDBVRQ1

Product Overview

Category

The TPS61041QDBVRQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - DC/DC switching regulators.

Use

This product is primarily used for boosting or stepping up the input voltage to a higher output voltage level. It is commonly employed in various electronic devices where a higher voltage is required, such as in battery-powered applications.

Characteristics

• Input Voltage Range: 0.9V to 6V
• Output Voltage Range: 1.8V to 6V
• Maximum Output Current: 100mA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Package

The TPS61041QDBVRQ1 is available in a small SOT-23-5 package, which provides compactness and ease of integration into space-constrained designs.

Essence

The essence of the TPS61041QDBVRQ1 lies in its ability to efficiently boost low input voltages to higher levels, enabling the operation of power-hungry components in portable electronic devices.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 0.9V to 6V
• Output Voltage Range: 1.8V to 6V
• Maximum Output Current: 100mA
• Switching Frequency: 1.2MHz
• Shutdown Current: 0.1μA
• Quiescent Current: 30μA
• Efficiency: Up to 90%
• Soft Start Time: 1ms
• Overtemperature Protection: Yes
• Undervoltage Lockout: Yes

Detailed Pin Configuration

The TPS61041QDBVRQ1 has a total of 5 pins:

1. VIN: Input voltage pin.
2. EN: Enable pin for turning the device on or off.
3. FB: Feedback pin for regulating the output voltage.
4. SW: Switching node pin.
5. GND: Ground pin.

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency ensures minimal power loss during voltage conversion.
• Overtemperature protection safeguards the device from excessive heat.
• Undervoltage lockout prevents operation below a certain input voltage level.
• Soft start feature enables gradual ramp-up of the output voltage, reducing stress on connected components.

Advantages and Disadvantages

Advantages

• Compact SOT-23-5 package facilitates space-constrained designs.
• Wide input voltage range enhances versatility in different applications.
• High efficiency minimizes power dissipation and extends battery life.
• Overtemperature protection ensures reliable operation under challenging conditions.
• Soft start feature prevents voltage spikes and protects sensitive components.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Lack of adjustable output voltage limits customization options.

Working Principles

The TPS61041QDBVRQ1 operates as a boost converter, utilizing a switching regulator topology. It employs an internal power MOSFET to control the energy transfer from the input to the output. The switching frequency of 1.2MHz allows for efficient voltage conversion while minimizing the size of external components.

When enabled, the device starts converting the input voltage to the desired output voltage level. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The soft start feature gradually ramps up the output voltage to prevent sudden voltage surges.

Detailed Application Field Plans

The TPS61041QDBVRQ1 finds applications in various fields, including but not limited to:

1. Portable Electronics: Boosting battery voltage to power displays, microcontrollers, and other components.
2. IoT Devices: Enabling efficient voltage conversion for low-power sensors and wireless modules.
3. Automotive Electronics: Providing higher voltages for automotive lighting systems or infotainment devices.
4. Medical Devices: Boosting input voltage for medical sensors or portable diagnostic equipment.
5. Industrial Automation: Powering control circuitry or sensors in industrial automation systems.

Detailed and Complete Alternative Models

1. TPS61040QDBVRQ1: Similar to TPS61041QDBVRQ1 but with a lower maximum output current of 50mA.
2. TPS61042QDBVRQ1: Similar to TPS61041QDBVRQ1 but with a higher maximum output current of 150mA.
3. TPS61043QDBVRQ1: Similar to TPS61041QDBVRQ1 but with an adjustable output voltage feature.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option