TPS3306-18DGKG4

Product Overview

Category

The TPS3306-18DGKG4 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 Range: The TPS3306-18DGKG4 operates within a voltage range of 1.8V to 6V.
• Low Power Consumption: It consumes minimal power during operation, making it suitable for battery-powered applications.
• Adjustable Thresholds: The device allows users to set the desired voltage thresholds for triggering the supervisory functions.
• Reset Output Options: It offers both active-low and active-high reset outputs, providing flexibility in system design.

Package

The TPS3306-18DGKG4 is available in a small form factor package known as MSOP-8 (Mini Small Outline Package). This package type ensures space efficiency and ease of integration into various electronic systems.

Essence

The essence of the TPS3306-18DGKG4 lies in its ability to monitor and control voltage levels, ensuring the stability and reliability of electronic systems.

Packaging/Quantity

The TPS3306-18DGKG4 is typically supplied in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier and customer requirements.

Specifications

• Supply Voltage Range: 1.8V to 6V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Reset Threshold Accuracy: ±2%
• Reset Timeout Period: 200ms (typical)

Detailed Pin Configuration

The TPS3306-18DGKG4 features an MSOP-8 package with the following pin configuration:

1. GND: Ground connection
2. MR: Manual reset input
3. VDD: Positive supply voltage
4. RESET: Reset output
5. RESETB: Complementary reset output
6. TH: Threshold voltage setting
7. NC: No connection
8. VDDA: Analog supply voltage

Functional Features

1. Voltage Monitoring: The TPS3306-18DGKG4 continuously monitors the input voltage and compares it to the user-defined threshold levels.
2. Reset Generation: When the voltage falls below or exceeds the set thresholds, the device generates a reset signal to initiate system recovery or shutdown.
3. Adjustable Thresholds: Users can configure the threshold voltages using external resistors connected to the TH pin.
4. Manual Reset: The MR pin allows for manual resetting of the device, overriding the automatic reset function.

Advantages and Disadvantages

Advantages

• Reliable Voltage Supervision: Ensures stable operation by monitoring voltage levels and initiating appropriate actions.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
• Adjustable Thresholds: Allows customization of voltage thresholds based on specific system requirements.
• Small Form Factor: The MSOP-8 package enables space-efficient integration into various electronic systems.

Disadvantages

• Limited Voltage Range: The TPS3306-18DGKG4 operates within a voltage range of 1.8V to 6V, which may not be suitable for all applications requiring voltage supervision.
• Lack of Built-in Hysteresis: The device does not include built-in hysteresis, which may require additional external components for noise immunity.

Working Principles

The TPS3306-18DGKG4 operates by continuously monitoring the input voltage using an internal voltage reference. It compares the input voltage to the user-defined threshold levels set through external resistors connected to the TH pin. If the voltage falls below or exceeds these thresholds, the device generates a reset signal, which can be used to initiate system recovery or shutdown.

Detailed Application Field Plans

The TPS3306-18DGKG4 finds applications in various electronic systems where voltage supervision is critical. Some of the potential application fields include:

1. Power Supply Units: Ensuring stable voltage levels in power supply units to protect sensitive components from damage.
2. Microcontrollers and Processors: Monitoring voltage levels to prevent data corruption and ensure reliable operation.
3. Industrial Control Systems: Providing voltage supervision in control systems to maintain system integrity and prevent failures.
4. Automotive Electronics: Protecting automotive electronics from voltage fluctuations, ensuring safe and reliable operation.

Detailed and Complete Alternative Models

1. TPS3307-33DGKR: Similar to TPS3306-18DGKG4 but operates within a voltage range of 3.3V to 6V.
2. MAX823