TPS389033QDSERQ1

Product Overview

Category

The TPS389033QDSERQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage supervisors or voltage monitors category.

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 when it goes above or below the desired threshold.

Characteristics

• Voltage Range: The TPS389033QDSERQ1 operates within a voltage range of 0.5V to 10V.
• Low Power Consumption: This IC consumes minimal power, making it suitable for battery-powered applications.
• Adjustable Threshold: The voltage threshold can be adjusted according to the specific requirements of the system.
• Reset Output: It provides a reset signal to the system when the voltage crosses the set threshold.
• Wide Temperature Range: The TPS389033QDSERQ1 can operate reliably across a wide temperature range, from -40°C to +125°C.

Package

The TPS389033QDSERQ1 comes in a small surface-mount package, such as a 6-pin SOT-23 package. This compact package allows for easy integration into various electronic systems.

Essence

The essence of the TPS389033QDSERQ1 lies in its ability to monitor voltage levels accurately and provide a reliable reset signal to the system when necessary. It ensures the stability and proper functioning of electronic devices by preventing them from operating outside the desired voltage range.

Packaging/Quantity

The TPS389033QDSERQ1 is typically available in reels or tubes, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 0.5V to 10V
• Adjustable Threshold Voltage: 0.5V to 10V
• Reset Timeout Period: Configurable (typically 100ms)
• Operating Temperature Range: -40°C to +125°C
• Package Type: 6-pin SOT-23

Detailed Pin Configuration

The TPS389033QDSERQ1 has the following pin configuration:

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 voltage adjustment pin.
6. NC: No connection pin.

Functional Features

1. Voltage Monitoring: The TPS389033QDSERQ1 continuously monitors the voltage level and compares it with the set threshold.
2. Adjustable Threshold: The threshold voltage can be adjusted using an external resistor connected to the TH pin.
3. Reset Output: When the voltage falls below or rises above the set threshold, the IC generates a reset signal on the RESET pin.
4. Manual Reset: The MR pin allows for manual resetting of the system, overriding the automatic reset function.
5. Power-On Reset: The TPS389033QDSERQ1 provides a power-on reset signal to ensure proper initialization of the system during power-up.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for compatibility with various electronic systems.
• Low power consumption makes it suitable for battery-powered applications.
• Adjustable threshold voltage provides flexibility in different voltage monitoring scenarios.
• Compact package enables easy integration into space-constrained designs.
• Reliable operation across a wide temperature range ensures stability in harsh environments.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• Requires an external resistor for threshold voltage adjustment, adding complexity to the circuit design.

Working Principles

The TPS389033QDSERQ1 operates based on a voltage comparator principle. It compares the input voltage with the set threshold voltage using an internal reference voltage. When the input voltage crosses the threshold, the IC triggers a reset signal, indicating a voltage violation. The reset signal remains active until the voltage returns within the acceptable range or a manual reset is initiated.

Detailed Application Field Plans

The TPS389033QDSERQ1 finds applications in various electronic systems where voltage monitoring and reliable reset functionality are crucial. Some of the potential application fields include:

1. Automotive Electronics: Used to monitor and control voltage levels in automotive systems, ensuring proper operation and preventing damage due to voltage fluctuations.
2. Industrial Control Systems: Provides voltage supervision in industrial control systems, safeguarding critical equipment from voltage-related issues.
3. Power Management: Integrated into power management circuits to monitor voltage levels and initiate appropriate actions, such as shutting down or activating backup power sources.
4. Battery-Powered Devices: Ensures efficient utilization of battery power by monitoring voltage levels and triggering low-power modes or shutdown when necessary.
5. Telecommunications: Used in telecommunications equipment to monitor voltage stability and ensure uninterrupted communication