TPS3837E18QDBVRQ1

Product Overview

Category

The TPS3837E18QDBVRQ1 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage threshold: 1.8V
• Accuracy: ±1%
• Low quiescent current: 1.5µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Small package size: SOT-23-5
• RoHS compliant

Package

The TPS3837E18QDBVRQ1 is packaged in a small SOT-23-5 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3837E18QDBVRQ1 is its ability to monitor and supervise voltage levels with high accuracy and low power consumption.

Packaging/Quantity

This 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 options: 1.8V
• Quiescent current: 1.5µA (typical)
• Power-on reset delay time: 200ms (typical)
• Open-drain output
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The TPS3837E18QDBVRQ1 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply voltage)
3. MR (Manual Reset)
4. RESET (Reset output)
5. NC (No Connection)

Functional Features

• Precision voltage monitoring
• Power-on reset generation
• Manual reset input
• Open-drain reset output
• Low quiescent current consumption
• Wide operating temperature range

Advantages and Disadvantages

Advantages

• High accuracy voltage monitoring
• Low power consumption
• Small package size for space-constrained applications
• Wide operating temperature range allows for use in various environments

Disadvantages

• Limited threshold voltage options
• Open-drain output may require additional circuitry for certain applications

Working Principles

The TPS3837E18QDBVRQ1 operates by comparing the monitored voltage with a fixed threshold voltage. When the monitored voltage falls below the threshold, the reset output is asserted. The device also includes a manual reset input that can be used to force a reset regardless of the monitored voltage level.

Detailed Application Field Plans

The TPS3837E18QDBVRQ1 finds applications in various fields, including but not limited to:

1. Battery-powered devices: Ensuring proper voltage levels in portable electronics.
2. Automotive systems: Monitoring voltage in automotive control units.
3. Industrial automation: Voltage supervision in industrial equipment.
4. IoT devices: Maintaining stable voltage levels in connected devices.
5. Power management: Overvoltage/undervoltage protection in power supply circuits.

Detailed and Complete Alternative Models

1. TPS3837E18DBVRQ1: Similar specifications and features, but without the automotive qualification.
2. TPS3837E18QDBVR: Same as TPS3837E18QDBVRQ1, but without the automotive qualification and RoHS compliance.

(Note: This list is not exhaustive and other alternative models may exist.)

In conclusion, the TPS3837E18QDBVRQ1 is a voltage supervisor with high accuracy, low power consumption, and a small package size. It finds applications in various fields and has alternative models available for different requirements.