TPS3306-25QDRG4Q1

Product Overview

Category

The TPS3306-25QDRG4Q1 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in automotive applications for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: The TPS3306-25QDRG4Q1 provides accurate monitoring of the supply voltage, ensuring proper operation of the system.
• Reset function: It generates a reset signal when the supply voltage falls below a specified threshold, allowing the system to recover from power supply disturbances.
• Automotive-grade: This IC is designed to meet the stringent requirements of the automotive industry, including high temperature and reliability standards.

Package

The TPS3306-25QDRG4Q1 is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of the TPS3306-25QDRG4Q1 lies in its ability to monitor the supply voltage and provide a reset signal, ensuring the reliable operation of automotive systems.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage range: 2.5V to 6V
• Threshold voltage accuracy: ±1.5%
• Operating temperature range: -40°C to +125°C
• Quiescent current: 10µA (typical)
• Power-on reset delay time: 200ms (typical)

Pin Configuration

The TPS3306-25QDRG4Q1 has the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| VIT VDD |-- Pin 3: Supply Voltage (VDD) --| VTR GND |-- Pin 4: Threshold Voltage (GND) --| VCC GND |-- Pin 5: Ground (GND) --| VCC GND |-- Pin 6: Ground (GND) --| VCC GND |-- Pin 7: Ground (GND) --| VCC GND |-- Pin 8: Ground (GND) |___________| ```

Functional Features

1. Voltage Monitoring: The TPS3306-25QDRG4Q1 continuously monitors the supply voltage and compares it to a programmable threshold.
2. Reset Generation: When the supply voltage falls below the threshold, the IC generates a reset signal, initiating a system reset.
3. Adjustable Threshold: The threshold voltage can be adjusted using external resistors, allowing flexibility in setting the desired voltage level.
4. Power-On Reset Delay: The IC incorporates a power-on reset delay circuit to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Automotive-grade design for high temperature and reliability requirements.
• Adjustable threshold voltage for flexibility in different applications.
• Power-on reset delay circuit prevents erratic behavior during power-up.

Disadvantages

• Limited to automotive applications, may not be suitable for other industries.
• Requires external resistors for threshold voltage adjustment.

Working Principles

The TPS3306-25QDRG4Q1 operates by continuously monitoring the supply voltage through an internal voltage divider network. It compares the monitored voltage with the programmable threshold voltage set by external resistors. If the supply voltage falls below the threshold, the IC generates a reset signal, initiating a system reset. This ensures that the system operates reliably even in the presence of power supply disturbances.

Detailed Application Field Plans

The TPS3306-25QDRG4Q1 finds extensive use in various automotive applications, including:

1. Engine Control Units (ECUs)
2. Transmission Control Units (TCUs)
3. Body Control Modules (BCMs)
4. Infotainment Systems
5. Advanced Driver Assistance Systems (ADAS)

In these applications, the IC provides voltage monitoring and reset functions, ensuring the proper operation and reliability of critical automotive systems.

Detailed and Complete Alternative Models

1. TPS3306-33QDRG4Q1: Similar to TPS3306-25QDRG4Q1 but with a higher threshold voltage of 3.3V.
2. TPS3306-18QDRG4Q1: Similar to TPS3306-25QDRG4Q1 but with a lower threshold voltage of 1.8V.
3. TPS3306-15QDRG4Q1: Similar to TPS3306-25QDRG4Q1 but