TPS389015DSER

Product Overview

Category

The TPS389015DSER belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems.

Characteristics

• Voltage Range: The TPS389015DSER operates within a wide voltage range, making it suitable for various applications.
• Low Power Consumption: This voltage supervisor consumes minimal power, ensuring energy efficiency in electronic systems.
• High Accuracy: The TPS389015DSER provides precise voltage monitoring, enhancing system reliability.
• Small Package Size: With its compact package size, this product can be easily integrated into space-constrained designs.
• Robustness: The TPS389015DSER is designed to withstand harsh operating conditions, ensuring durability.

Package and Quantity

The TPS389015DSER is available in a small surface-mount package. It is typically sold in reels containing a specified quantity per reel.

Specifications

• Supply Voltage Range: 1.5V to 6.5V
• Threshold Voltage Options: 0.9V, 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)
• Output Type: Active-Low, Open-Drain
• Reset Timeout Period: Adjustable (1ms to 10s)

Pin Configuration

The TPS389015DSER features a standard pin configuration with the following pins:

1. VDD: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Active-low reset output

Functional Features

• Undervoltage Monitoring: The TPS389015DSER continuously monitors the input voltage and asserts a reset signal when it falls below the programmed threshold.
• Manual Reset: The MR pin allows for manual reset, enabling system control during specific conditions.
• Adjustable Timeout Period: The reset timeout period can be adjusted to meet the requirements of different applications.
• Open-Drain Output: The active-low reset output is an open-drain configuration, allowing for flexibility in connecting to other devices.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various systems.
• Low power consumption contributes to energy efficiency.
• High accuracy ensures reliable voltage monitoring.
• Compact package size facilitates integration into space-constrained designs.
• Robustness allows for operation in harsh environments.

Disadvantages

• Lack of built-in hysteresis may lead to potential oscillations near the threshold voltage.
• Limited number of threshold voltage options may not cater to all specific voltage requirements.

Working Principles

The TPS389015DSER operates by comparing the input voltage against the programmed threshold voltage. When the input voltage drops below the threshold, the reset output is asserted, indicating a low-voltage condition. The reset remains active until the input voltage rises above the threshold or a timeout period elapses.

Application Field Plans

The TPS389015DSER finds application in various fields, including but not limited to: - Battery-powered devices - Industrial automation systems - Automotive electronics - Consumer electronics - Medical equipment

Alternative Models

1. TPS389015DSE: Similar to TPS389015DSER but with an active-high reset output.
2. TPS389015DSFR: Offers additional features such as a watchdog timer and adjustable reset threshold.
3. TPS389015DSGR: Provides enhanced ESD protection and wider operating temperature range.

These alternative models offer similar functionality to the TPS389015DSER but may have slight variations in features or specifications.

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