TPS389018DSER

Product Overview

Category

The TPS389018DSER belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage monitoring and supervision in electronic systems.

Characteristics

• Voltage monitoring range: 0.8V to 5.5V
• Adjustable threshold voltage
• Low quiescent current consumption
• Wide operating temperature range: -40°C to 125°C
• Small package size for space-constrained applications

Package

The TPS389018DSER is available in a small SOT-23 package, which is suitable for compact designs.

Essence

The essence of the TPS389018DSER lies in its ability to accurately monitor voltage levels and provide reliable supervision in various electronic systems.

Packaging/Quantity

This product is typically packaged in reels containing 3000 units per reel.

Specifications

• Supply voltage range: 1.2V to 6.5V
• Threshold voltage accuracy: ±1.5%
• Quiescent current: 1.5µA (typical)
• Power-on reset delay time: 20ms (typical)
• Open-drain output configuration

Detailed Pin Configuration

The TPS389018DSER features a standard SOT-23 package with three pins:

1. GND: Ground connection
2. VDD: Supply voltage input
3. RESET: Open-drain output for reset signal

Functional Features

• Accurate voltage monitoring: The TPS389018DSER ensures precise monitoring of voltage levels within the specified range.
• Adjustable threshold voltage: The threshold voltage can be adjusted according to the specific requirements of the application.
• Power-on reset: The device provides a power-on reset signal after the supply voltage rises above the threshold voltage.
• Low power consumption: With a low quiescent current, the TPS389018DSER minimizes power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide voltage monitoring range allows for versatile application compatibility.
• Adjustable threshold voltage provides flexibility in different system configurations.
• Low quiescent current consumption prolongs battery life.
• Small package size enables space-constrained designs.

Disadvantages

• Limited to open-drain output configuration, which may require additional components for certain applications.
• Threshold voltage accuracy may not be suitable for highly precise voltage monitoring requirements.

Working Principles

The TPS389018DSER operates by comparing the input voltage with the adjustable threshold voltage. When the input voltage rises above the threshold voltage, the device generates a power-on reset signal through its open-drain output pin. This signal can be used to initialize or reset other components in the system.

Detailed Application Field Plans

The TPS389018DSER finds applications in various electronic systems that require voltage monitoring and supervision. Some potential application fields include:

1. Battery-powered devices: The TPS389018DSER ensures efficient power management by monitoring battery voltage levels and triggering appropriate actions.
2. Embedded systems: This product can be used to monitor supply voltages in microcontroller-based systems, ensuring stable operation and preventing data corruption.
3. Industrial automation: The TPS389018DSER can be employed in control systems to monitor critical voltage levels and trigger alarms or shutdown procedures in case of anomalies.
4. Automotive electronics: Voltage monitoring is crucial in automotive applications, and the TPS389018DSER can be utilized to ensure proper functioning of various electrical systems.

Detailed and Complete Alternative Models

1. TPS389018DSE: Similar to TPS389018DSER but with push-pull output configuration instead of open-drain.
2. TPS389019DSER: A higher voltage variant with a monitoring range of 0.8V to 6.5V.
3. TPS389020DSER: A lower voltage variant with a monitoring range of 0.4V to 5.5V.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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