TPS61070DDCR

Product Overview

Category

The TPS61070DDCR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators classification.

Use

This product is primarily used as a boost converter, which means it increases the input voltage to a higher output voltage level. It is commonly employed in various electronic devices where a stable and regulated power supply is required.

Characteristics

• High efficiency: The TPS61070DDCR offers high conversion efficiency, ensuring minimal power loss during voltage conversion.
• Wide input voltage range: It can operate with input voltages ranging from 1.8V to 6V, making it suitable for a wide range of applications.
• Adjustable output voltage: The output voltage can be adjusted using external resistors, providing flexibility in meeting specific requirements.
• Low quiescent current: The device has a low quiescent current, resulting in reduced power consumption during standby or idle modes.

Package

The TPS61070DDCR is available in a small and compact DDC package. This package type ensures ease of integration into various circuit designs and facilitates space-saving solutions.

Essence

The essence of the TPS61070DDCR lies in its ability to efficiently convert input voltages to higher output voltages, enabling reliable power supply for electronic devices.

Packaging/Quantity

The TPS61070DDCR is typically packaged in reels, containing a quantity of 2500 units per reel. This packaging format is commonly used for automated assembly processes.

Specifications

• Input Voltage Range: 1.8V to 6V
• Output Voltage Range: Adjustable (based on external resistors)
• Switching Frequency: 1.2MHz
• Maximum Output Current: 500mA
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TPS61070DDCR has the following pin configuration:

1. EN (Enable): This pin is used to enable or disable the device.
2. FB (Feedback): The feedback pin provides information about the output voltage level and is used for voltage regulation.
3. SW (Switch): This pin connects to the inductor and serves as the switching node.
4. GND (Ground): The ground pin provides the reference potential for the device.
5. VIN (Input Voltage): This pin receives the input voltage.
6. VOUT (Output Voltage): The regulated output voltage is provided through this pin.

Functional Features

• Soft Start: The TPS61070DDCR incorporates a soft start feature, which gradually ramps up the output voltage during startup, preventing excessive current flow and voltage overshoot.
• Overcurrent Protection: The device includes overcurrent protection, safeguarding against excessive current draw and potential damage to the circuitry.
• Thermal Shutdown: In case of excessive temperature rise, the TPS61070DDCR activates thermal shutdown to prevent overheating and protect the device from damage.
• Under-Voltage Lockout (UVLO): The UVLO feature ensures that the device operates within the specified voltage range, preventing erratic behavior and potential damage.

Advantages and Disadvantages

Advantages

• High conversion efficiency results in minimal power loss.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility.
• Compact package facilitates easy integration into various designs.
• Soft start, overcurrent protection, thermal shutdown, and UVLO features enhance reliability and safety.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external resistors for output voltage adjustment, adding complexity to the design.

Working Principles

The TPS61070DDCR operates as a boost converter by utilizing an inductor, a switch, and capacitors. When the input voltage is applied, the switch rapidly turns on and off, causing the inductor to store energy during the "on" state and release it during the "off" state. This energy transfer results in an increased output voltage level.

Detailed Application Field Plans

The TPS61070DDCR finds applications in various electronic devices, including but not limited to: - Battery-powered portable devices - Wireless communication systems - Industrial control systems - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

1. TPS61071DDCR: Similar to TPS61070DDCR with a higher maximum output current of 800mA.
2. TPS61072DDCR: Similar to TPS61070DDCR with a lower quiescent current of 20µA.
3. TPS61073DDCR: Similar to TPS61070DDCR with a wider input voltage range of 0.9V to 6V.

These alternative models offer similar functionality while addressing specific requirements or constraints in different