TPS3838J25QDBVRQ1

Product Overview

Category

The TPS3838J25QDBVRQ1 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: 2.5V
• Accuracy: ±1%
• Low quiescent current: 1.6µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Power-on reset delay time: 200ms (typical)

Package

The TPS3838J25QDBVRQ1 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3838J25QDBVRQ1 lies in its ability to provide accurate voltage monitoring and reset generation in various electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply voltage range: 1.4V to 6.5V
• Reset threshold options: 2.5V, 3.0V, 3.3V, 3.6V, 4.0V, 4.63V
• Open-drain output
• Low power consumption
• Built-in hysteresis for noise immunity

Detailed Pin Configuration

The TPS3838J25QDBVRQ1 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply voltage)
3. MR (Manual reset input)
4. RESET (Reset output)

Functional Features

• Accurate voltage monitoring: The TPS3838J25QDBVRQ1 ensures precise monitoring of the supply voltage, providing reliable reset generation when the voltage falls below the threshold.
• Manual reset input: The MR pin allows for manual reset control, enabling system initialization or recovery.
• Open-drain output: The open-drain RESET pin provides flexibility in connecting to other devices and allows for easy integration into various systems.
• Low power consumption: With a low quiescent current of 1.6µA, this voltage supervisor minimizes power consumption, making it suitable for battery-powered applications.
• Noise immunity: The built-in hysteresis feature enhances noise immunity, ensuring stable operation even in noisy environments.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Low power consumption
• Wide operating temperature range
• Small package size for space-constrained applications
• Built-in hysteresis for noise immunity

Disadvantages

• Limited reset threshold options

Working Principles

The TPS3838J25QDBVRQ1 operates by continuously monitoring the supply voltage. When the voltage falls below the preset threshold (2.5V in this case), the reset output is activated, signaling a system reset. The open-drain output configuration allows for easy interfacing with other devices.

Detailed Application Field Plans

The TPS3838J25QDBVRQ1 finds application in various electronic systems where accurate voltage monitoring and reliable reset generation are crucial. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation
4. Automotive electronics
5. Power management systems

Detailed and Complete Alternative Models

1. TPS3839J25QDBVRQ1: Similar to TPS3838J25QDBVRQ1 but with a different reset threshold option (2.5V).
2. TPS3840J30QDBVRQ1: Voltage supervisor with a higher reset threshold option (3.0V).
3. TPS3841J33QDBVRQ1: Voltage supervisor with a higher reset threshold option (3.3V).
4. TPS3842J36QDBVRQ1: Voltage supervisor with a higher reset threshold option (3.6V).
5. TPS3843J40QDBVRQ1: Voltage supervisor with a higher reset threshold option (4.0V).

These alternative models provide flexibility in choosing the appropriate voltage threshold for specific system requirements.

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