TPS3838K33QDBVRQ1

Product Overview

Category

The TPS3838K33QDBVRQ1 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Small package size
• Robust design for harsh environments

Package

The TPS3838K33QDBVRQ1 comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3838K33QDBVRQ1 lies in its ability to provide accurate voltage monitoring and reset generation functions.

Packaging/Quantity

The product is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 1.2µA (typical)
• Reset Timeout Period: 200ms (typical)

Detailed Pin Configuration

The TPS3838K33QDBVRQ1 has the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. VDD (Supply Voltage)

Functional Features

• Accurate voltage monitoring: The TPS3838K33QDBVRQ1 ensures precise monitoring of the supply voltage, enabling reliable system operation.
• Reset generation: It generates a reset signal when the monitored voltage falls below a specified threshold, ensuring proper system initialization.
• Low-power consumption: With a quiescent current of only 1.2µA, it minimizes power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: The device can operate within a wide voltage range, allowing flexibility in various electronic systems.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Low-power consumption
• Small package size for space-constrained applications
• Robust design for harsh environments

Disadvantages

• Limited reset timeout period (200ms)
• Requires an external pull-up resistor for the RESET pin

Working Principles

The TPS3838K33QDBVRQ1 operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below this threshold, the device triggers a reset signal. It continuously monitors the voltage to ensure proper system operation.

Detailed Application Field Plans

The TPS3838K33QDBVRQ1 finds application in various fields, including: 1. Automotive electronics: Used for voltage monitoring in automotive control units, ensuring reliable operation. 2. Industrial automation: Monitors voltage levels in industrial equipment, preventing damage due to voltage fluctuations. 3. Consumer electronics: Ensures stable power supply in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

Some alternative models to the TPS3838K33QDBVRQ1 include: 1. TPS3839K33QDBVRQ1: Similar to TPS3838K33QDBVRQ1 but with a higher reset timeout period. 2. TPS3840K33QDBVRQ1: Offers additional features such as adjustable threshold voltage and watchdog timer functionality.

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