TPS3838K33DBVR

Product Overview

Category

The TPS3838K33DBVR belongs to the category of voltage supervisors.

Use

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

Characteristics

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

Package

The TPS3838K33DBVR is available in a small SOT-23 package.

Essence

The essence of the TPS3838K33DBVR is its ability to provide accurate voltage monitoring and reset generation in various electronic applications.

Packaging/Quantity

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

Specifications

• Operating Voltage Range: 1.6V to 6.5V
• Reset Threshold Voltage: Adjustable from 2.93V to 3.08V
• Quiescent Current: 1.5µA (typical)
• Power-On Reset Delay: 200ms (typical)
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3838K33DBVR has three pins:

1. VDD: This pin is connected to the power supply voltage.
2. GND: This pin is connected to the ground.
3. RESET: This pin outputs a reset signal when the monitored voltage falls below the set threshold.

Functional Features

• Accurate voltage monitoring: The TPS3838K33DBVR ensures precise monitoring of the input voltage, providing reliable reset signals when necessary.
• Adjustable reset threshold: The reset threshold voltage can be easily adjusted within a specified range, allowing flexibility in different applications.
• Power-on reset delay: The device incorporates a power-on reset delay, ensuring stable operation during power-up.

Advantages and Disadvantages

Advantages

• Low-power consumption: The TPS3838K33DBVR operates with minimal power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: This product can be used in a wide range of voltage levels, enhancing its versatility.
• Small package size: The compact SOT-23 package allows for space-efficient integration into various electronic systems.

Disadvantages

• Limited reset threshold adjustment range: The adjustable reset threshold voltage has a limited range, which may not meet the requirements of certain specialized applications.
• Lack of advanced features: The TPS3838K33DBVR does not offer additional advanced features such as hysteresis or watchdog functionality.

Working Principles

The TPS3838K33DBVR operates by continuously monitoring the input voltage. When the voltage falls below the set threshold, the RESET pin is activated, generating a reset signal. This signal can be used to initiate system resets or trigger specific actions based on the application requirements.

Detailed Application Field Plans

The TPS3838K33DBVR finds applications in various fields, including:

1. Battery-powered devices: It ensures proper voltage monitoring and reset generation in portable electronics, maximizing battery life and preventing unexpected shutdowns.
2. Industrial automation: The TPS3838K33DBVR provides reliable voltage supervision in control systems, ensuring stable operation and preventing damage due to voltage fluctuations.
3. Automotive electronics: It is used in automotive applications to monitor critical voltage levels, triggering necessary actions to maintain safe and efficient operation.

Detailed and Complete Alternative Models

1. TPS3839K33DBVR: Similar to the TPS3838K33DBVR, but with an extended temperature range (-40°C to +150°C).
2. TPS3808G01DBVR: Offers additional hysteresis functionality for improved noise immunity.
3. TPS3840PWR: Provides watchdog functionality in addition to voltage monitoring and reset generation.

(Note: The above alternative models are just a few examples; there are several other alternatives available in the market.)

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