TPS3306-15DGKR

Product Overview

Category

The TPS3306-15DGKR belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems. It ensures that the voltage remains within specified limits, providing protection against undervoltage and overvoltage conditions.

Characteristics

• Voltage supervision range: 0.8V to 5.5V
• Adjustable threshold voltage
• Low quiescent current consumption
• Wide operating temperature range: -40°C to +125°C
• Small package size: VSSOP-8

Package and Quantity

The TPS3306-15DGKR is available in a VSSOP-8 package. Each package contains one unit of the IC.

Specifications

• Supply voltage range: 1.8V to 5.5V
• Threshold voltage accuracy: ±2%
• Quiescent current: 10µA (typical)
• Power-on reset delay time: 200ms (typical)
• Watchdog timer timeout period: 1.6s (typical)

Pin Configuration

The TPS3306-15DGKR has the following pin configuration:

```

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| | --| RESET | --| GND | --| MR | --| VDD | --| VIT | --| VOS | --| VCC | |___________| ```

Functional Features

1. Voltage Supervision: The TPS3306-15DGKR monitors the voltage level and generates a reset signal when it falls below or exceeds the set threshold.
2. Adjustable Threshold: The threshold voltage can be adjusted using an external resistor, allowing flexibility in voltage monitoring.
3. Power-On Reset: The IC provides a power-on reset signal to ensure proper initialization of the system during power-up.
4. Watchdog Timer: It includes a watchdog timer that generates a reset signal if the system fails to periodically refresh it.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various electronic systems.
• Adjustable threshold voltage enables customization for different applications.
• Low quiescent current consumption minimizes power consumption.
• Small package size saves board space.

Disadvantages

• Limited number of pins restricts additional functionalities.
• Lack of built-in hysteresis may lead to oscillations near the threshold voltage.

Working Principles

The TPS3306-15DGKR operates by comparing the monitored voltage (VIT) with the internally set threshold voltage (VOS). If VIT falls below or exceeds VOS, the RESET pin is asserted, generating a reset signal. The MR pin can be used to manually reset the IC. The watchdog timer ensures that the system remains active by periodically refreshing it; otherwise, a reset signal is generated.

Application Field Plans

The TPS3306-15DGKR finds applications in various fields, including: 1. Power supply units 2. Battery-powered devices 3. Industrial control systems 4. Automotive electronics 5. Telecommunications equipment

Alternative Models

1. TPS3306-18DGKR: Similar to TPS3306-15DGKR but with a higher threshold voltage of 1.8V.
2. TPS3306-33DGKR: Similar to TPS3306-15DGKR but with a higher threshold voltage of 3.3V.
3. TPS3306-50DGKR: Similar to TPS3306-15DGKR but with a higher threshold voltage of 5.0V.

These alternative models provide options for different voltage monitoring requirements while maintaining similar characteristics and functionality.

In conclusion, the TPS3306-15DGKR is a voltage supervisor IC that offers adjustable threshold voltage, low power consumption, and wide operating temperature range. It finds applications in various fields and has alternative models catering to different voltage monitoring needs.