TPS3839L30DBZR

Product Overview

Category

The TPS3839L30DBZR belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Adjustable threshold voltage
• Small package size

Package

The TPS3839L30DBZR comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3839L30DBZR lies in its ability to provide accurate voltage monitoring and reset generation in electronic systems.

Packaging/Quantity

The product is typically available in reels containing a specified quantity of units. The exact packaging and quantity can vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.8V to 10V
• Threshold Voltage Accuracy: ±0.5%
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low, Open-Drain

Detailed Pin Configuration

The TPS3839L30DBZR has three pins:

1. GND: Ground connection.
2. VDD: Power supply input.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Accurate voltage monitoring: The TPS3839L30DBZR ensures precise monitoring of the input voltage.
• Reset generation: It generates a reset signal when the voltage drops below the set threshold, ensuring proper system operation.
• Adjustable threshold voltage: The threshold voltage can be adjusted to suit specific application requirements.
• Low-power consumption: The device operates with minimal power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring.
• Adjustable threshold voltage allows customization.
• Low-power consumption extends battery life.
• Small package size enables use in space-constrained designs.

Disadvantages

• Limited operating voltage range (1.8V to 10V).
• Output type is active-low, open-drain, which may require additional circuitry for certain applications.

Working Principles

The TPS3839L30DBZR operates by comparing the input voltage with a reference voltage. When the input voltage falls below the set threshold, the device generates a reset signal. This signal can be used to initiate system resets or trigger other actions based on the specific application requirements.

Detailed Application Field Plans

The TPS3839L30DBZR finds applications in various fields, including:

1. Battery-powered devices: It ensures proper operation by monitoring voltage levels and generating resets when necessary.
2. Industrial control systems: The accurate voltage monitoring capability makes it suitable for critical control applications.
3. Automotive electronics: It provides reliable voltage supervision in automotive systems, enhancing overall safety and performance.
4. Consumer electronics: The small package size and low-power consumption make it ideal for portable devices.

Detailed and Complete Alternative Models

1. TPS3839K33DBZR: Similar to TPS3839L30DBZR but with a different threshold voltage (3.3V).
2. TPS3839J25DBZR: Similar to TPS3839L30DBZR but with a different threshold voltage (2.5V).
3. TPS3839H18DBZR: Similar to TPS3839L30DBZR but with a different threshold voltage (1.8V).

These alternative models provide similar functionality but with different threshold voltage options to accommodate diverse application requirements.

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