TPS3836H30QDBVRQ1

Product Overview

Category

The TPS3836H30QDBVRQ1 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 threshold: 3.0V
• Accuracy: ±2%
• 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 TPS3836H30QDBVRQ1 is available in a small SOT-23-5 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3836H30QDBVRQ1 lies in its ability to provide accurate voltage monitoring and supervision, ensuring the reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 1.8V to 10V
• Reset threshold options: 2.93V, 3.08V, 3.3V, 4.38V, 4.63V, 4.75V
• Reset timeout delay options: 200ms, 400ms, 600ms, 1000ms
• Quiescent current: 1.5µA (typical)
• Power-on reset delay time: 20ms (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The TPS3836H30QDBVRQ1 has the following pin configuration:

• Pin 1: GND (Ground)
• Pin 2: MR (Manual Reset)
• Pin 3: VDD (Supply Voltage)
• Pin 4: RESET (Reset Output)
• Pin 5: NC (No Connection)

Functional Features

1. Voltage Monitoring: The TPS3836H30QDBVRQ1 continuously monitors the supply voltage and provides a reset signal when it falls below the specified threshold.
2. Manual Reset: The MR pin allows for manual reset, enabling system recovery after a fault condition.
3. Power-On Reset: The device ensures a stable reset output during power-up, preventing false resets during system initialization.
4. Adjustable Threshold: The reset threshold can be selected from multiple options to suit different voltage requirements.
5. Reset Timeout: The reset output remains active for a user-selectable timeout period after the voltage rises above the threshold, allowing sufficient time for the system to stabilize.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Low quiescent current minimizes power consumption.
• Wide operating temperature range enables usage in harsh environments.
• Small package size facilitates space-constrained applications.
• Multiple threshold and timeout options provide flexibility.

Disadvantages

• Limited reset threshold and timeout options may not cater to all specific voltage requirements.
• Noisy supply voltage may affect the accuracy of voltage monitoring.

Working Principles

The TPS3836H30QDBVRQ1 operates by comparing the supply voltage with the preset threshold. When the voltage drops below the threshold, the reset output is activated, indicating a fault condition. The reset output remains active for a user-defined timeout period after the voltage rises above the threshold. During power-up, the device ensures a stable reset output to prevent false resets during system initialization.

Detailed Application Field Plans

The TPS3836H30QDBVRQ1 finds applications in various fields, including:

1. Automotive Electronics: Used for voltage monitoring in automotive control units, ensuring reliable operation and preventing damage due to undervoltage conditions.
2. Industrial Automation: Monitors supply voltage in industrial automation systems, providing reset signals to prevent data corruption or equipment malfunction during power fluctuations.
3. Consumer Electronics: Ensures stable operation of consumer electronic devices by monitoring the voltage and initiating system recovery in case of voltage drops.
4. Medical Devices: Used in medical equipment to monitor critical voltage levels, ensuring patient safety and preventing malfunctions.

Detailed and Complete Alternative Models

1. TPS3836H30DBVRQ1: Similar to TPS3836H30QDBVRQ1 but without the reel packaging option.
2. TPS3836H30DCKRQ1: Slightly different pin configuration with a SC-70-5 package.
3. TPS3836H30DDCRQ1: Offers additional features like adjustable hysteresis and watchdog timer.

These alternative models provide similar voltage monitoring capabilities with slight variations in package size, pin configuration, and additional features.

*Note: The