TPS3306-15QDRG4Q1

Product Overview

Category

The TPS3306-15QDRG4Q1 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, ensuring their proper operation and preventing potential damage caused by voltage fluctuations or failures.

Characteristics

• Voltage Range: The TPS3306-15QDRG4Q1 operates within a voltage range of 2.5V to 10V.
• Low Quiescent Current: It has a low quiescent current consumption of only 10µA, making it suitable for battery-powered applications.
• Adjustable Reset Threshold: The reset threshold voltage can be adjusted using external resistors, allowing flexibility in different system requirements.
• Power-On Reset Delay: The device provides a power-on reset delay of 200ms, ensuring stable power-up sequencing in complex systems.
• Watchdog Timer: It includes an integrated watchdog timer that can be configured to monitor system activity and initiate a reset if necessary.

Package and Quantity

The TPS3306-15QDRG4Q1 is available in a small outline package (SOIC) with 8 pins. It is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.5V to 10V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 10µA
• Reset Threshold Accuracy: ±1%
• Power-On Reset Delay: 200ms
• Watchdog Timer Timeout Period: 1.6s

Pin Configuration

The TPS3306-15QDRG4Q1 has the following pin configuration:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| VIT VDD |-- Pin 3: Supply Voltage (VDD) --| WDI GND |-- Pin 4: Watchdog Input (WDI) --| GND GND |-- Pin 5: Ground (GND) --| NC NC |-- Pin 6: No Connection (NC) --| NC NC |-- Pin 7: No Connection (NC) --| NC NC |-- Pin 8: No Connection (NC) |___________| ```

Functional Features

• Voltage Monitoring: The TPS3306-15QDRG4Q1 continuously monitors the supply voltage and generates a reset signal if it falls below the programmed threshold.
• Power-On Reset: It provides a power-on reset delay to ensure proper system initialization during power-up.
• Watchdog Timer: The integrated watchdog timer can be used to monitor system activity and initiate a reset if the system becomes unresponsive.
• Adjustable Threshold: The reset threshold voltage can be adjusted using external resistors, allowing customization for different voltage requirements.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption makes it suitable for battery-powered applications.
• Adjustable reset threshold allows flexibility in different system requirements.
• Integrated watchdog timer enhances system reliability.
• Small package size enables space-efficient designs.

Disadvantages

• Limited number of pins may restrict the number of external connections.
• Not suitable for high-voltage applications above 10V.

Working Principles

The TPS3306-15QDRG4Q1 operates by continuously monitoring the supply voltage. If the voltage falls below the programmed threshold, the device generates a reset signal, which can be used to initiate system recovery or shutdown procedures. The integrated watchdog timer ensures that the system remains responsive and initiates a reset if no activity is detected within the specified timeout period.

Application Field Plans

The TPS3306-15QDRG4Q1 finds applications in various fields, including but not limited to: - Automotive electronics - Industrial control systems - Medical devices - Consumer electronics - Power management systems

Alternative Models

Some alternative models that offer similar functionality to the TPS3306-15QDRG4Q1 include: - TPS3808G01: This voltage supervisor IC offers adjustable threshold voltage and a watchdog timer. - MAX823: Another voltage supervisor IC with adjustable threshold voltage and power-on reset delay. - ADM6315: A microprocessor supervisory circuit with adjustable reset threshold and watchdog timer.

These alternative models can be considered based on specific application requirements and availability.

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