TPS389012QDSERQ1

Product Overview

Category

The TPS389012QDSERQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage supervisors or voltage monitors subcategory.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems. It ensures that the voltage remains within a specified range, triggering appropriate actions if the voltage exceeds or falls below the set thresholds.

Characteristics

• Voltage Range: The TPS389012QDSERQ1 operates within a voltage range of 0.5V to 5.5V.
• Low Power Consumption: This IC consumes minimal power, making it suitable for battery-powered applications.
• Adjustable Thresholds: The voltage thresholds can be adjusted according to the specific requirements of the system.
• Reset Output: The TPS389012QDSERQ1 provides a reset signal when the monitored voltage crosses the set thresholds.
• Wide Temperature Range: It can operate reliably in a temperature range of -40°C to 125°C.

Package

The TPS389012QDSERQ1 is available in a small form factor package known as WSON-6. This package offers compactness and ease of integration into various electronic systems.

Essence

The essence of the TPS389012QDSERQ1 lies in its ability to monitor voltage levels accurately and provide a reliable reset signal when necessary. It ensures the stability and proper functioning of electronic systems by preventing voltage-related issues.

Packaging/Quantity

The TPS389012QDSERQ1 is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 0.5V to 5.5V
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 2.5µA (typical)
• Reset Threshold Accuracy: ±1.5%
• Reset Timeout Period: 200ms (typical)

Detailed Pin Configuration

The TPS389012QDSERQ1 has a total of six pins, each serving a specific function:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. MR: Manual reset input pin.
4. RESET: Reset output pin.
5. TH: Threshold adjustment pin.
6. NC: No connection pin.

Functional Features

1. Voltage Monitoring: The TPS389012QDSERQ1 continuously monitors the voltage level and compares it with the set thresholds.
2. Adjustable Thresholds: The threshold voltage can be adjusted using an external resistor connected to the TH pin.
3. Reset Output: When the monitored voltage crosses the set thresholds, the IC generates a reset signal on the RESET pin.
4. Manual Reset: The MR pin allows for manual resetting of the system if required.
5. Low Power Consumption: The IC operates with minimal power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring and reset functionality.
• Wide operating temperature range.
• Adjustable threshold voltage.
• Low power consumption.
• Compact package size for easy integration.

Disadvantages

• Limited number of pins for additional functionalities.
• Requires an external resistor for threshold adjustment.

Working Principles

The TPS389012QDSERQ1 works based on a voltage comparator circuit. It compares the monitored voltage with the set thresholds. If the voltage exceeds or falls below the thresholds, the IC triggers a reset signal. This signal can be used to initiate appropriate actions in the electronic system, such as restarting or shutting down.

Detailed Application Field Plans

The TPS389012QDSERQ1 finds applications in various electronic systems where voltage monitoring and reliable reset functionality are crucial. Some potential application fields include:

1. Automotive Electronics: Used in automotive control units to monitor critical voltages and ensure proper system operation.
2. Industrial Automation: Employed in industrial control systems to supervise voltage levels and trigger necessary actions in case of deviations.
3. Consumer Electronics: Integrated into devices like smartphones, tablets, and laptops to prevent damage due to voltage fluctuations.
4. Power Management Systems: Utilized in power supply units to monitor voltage stability and protect sensitive components.

Detailed and Complete Alternative Models

1. TPS389012QDSE: Similar to TPS389012QDSERQ1 but without the automotive qualification.
2. TPS389012QDRQ1: Automotive-qualified version with a different package (SON-6).
3. TPS389012QD: Non-automotive version with a wider operating temperature range (-40°C to 150°C).

These alternative models offer similar voltage monitoring and reset functionalities, catering to different application requirements.

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