TPS3306-15D

Product Overview

Category

The TPS3306-15D belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for voltage monitoring and reset functions in microcontroller-based systems, ensuring reliable system operation.

Characteristics

• Voltage monitoring: The TPS3306-15D provides accurate monitoring of the supply voltage, enabling detection of undervoltage and overvoltage conditions.
• Reset function: It generates a reset signal to the microcontroller when the monitored voltage falls below or exceeds the specified threshold levels.
• Low power consumption: The IC operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 2.5V to 18V.
• Adjustable reset threshold: The reset threshold voltage can be adjusted using external resistors, allowing flexibility in different system requirements.

Package

The TPS3306-15D is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into various electronic systems.

Essence

The essence of the TPS3306-15D lies in its ability to ensure stable and reliable operation of microcontroller-based systems by monitoring the supply voltage and generating reset signals when necessary.

Packaging/Quantity

The TPS3306-15D is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage range: 2.5V to 18V
• Reset threshold voltage: Adjustable (external resistor configuration)
• Quiescent current: Typically 10µA
• Operating temperature range: -40°C to +85°C
• Output type: Active-low reset signal
• Package type: SOIC

Detailed Pin Configuration

The TPS3306-15D has a total of 8 pins, each serving a specific function:

1. VDD: Supply voltage input
2. GND: Ground reference
3. MR: Manual reset input (active-low)
4. RESET: Reset output (active-low)
5. TH: Threshold adjust pin
6. VIT: Internal voltage reference output
7. CT: Capacitor connection for reset delay
8. VCC: Output supply voltage

Functional Features

Voltage Monitoring

The TPS3306-15D continuously monitors the supply voltage and compares it with the user-defined threshold levels. It provides an accurate indication of undervoltage and overvoltage conditions.

Reset Generation

When the monitored voltage falls below or exceeds the specified threshold levels, the TPS3306-15D generates an active-low reset signal. This signal is used to reset the microcontroller, ensuring proper system operation.

Adjustable Threshold

The IC allows users to adjust the reset threshold voltage by connecting external resistors to the TH pin. This feature enables customization according to specific system requirements.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Adjustable reset threshold allows flexibility in different applications.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range accommodates various power supply configurations.

Disadvantages

• Limited to voltage monitoring and reset functions, not suitable for other power management tasks.
• Requires external resistors for threshold adjustment, adding complexity to the design.

Working Principles

The TPS3306-15D operates based on a voltage comparator circuit. It continuously compares the supply voltage with the user-defined threshold levels. When the voltage crosses these thresholds, the IC triggers the reset function, generating an active-low reset signal. This signal is then used to reset the microcontroller, ensuring proper system operation.

Detailed Application Field Plans

The TPS3306-15D finds applications in various fields where voltage monitoring and reliable system operation are crucial. Some of the potential application areas include:

1. Industrial automation systems
2. Automotive electronics
3. Consumer electronics
4. Medical devices
5. Power management modules

Detailed and Complete Alternative Models

1. TPS3306-18D: Similar to TPS3306-15D but with a higher reset threshold voltage.
2. TPS3306-12D: Similar to TPS3306-15D but with a lower reset threshold voltage.
3. TPS3306-25D: Similar to TPS3306-15D but with a wider operating voltage range.

These alternative models provide similar functionality to the TPS3306-15D but with specific variations in terms of reset threshold voltage and operating voltage range.

In conclusion, the TPS3306-15D is an integrated circuit designed for voltage monitoring and reset functions in microcontroller-based systems. Its accurate monitoring,