TPS3852H33DRBR

Product Overview

Category

The TPS3852H33DRBR belongs to the category of voltage supervisors.

Use

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

Characteristics

• The TPS3852H33DRBR is a highly accurate voltage supervisor with a fixed threshold voltage.
• It operates over a wide temperature range, making it suitable for various applications.
• This device offers low power consumption, ensuring efficient operation.
• It provides a precise reset signal during power-up, power-down, and brownout conditions.

Package

The TPS3852H33DRBR comes in a small and compact package, which is easy to integrate into electronic circuits.

Essence

The essence of the TPS3852H33DRBR lies in its ability to monitor voltage levels and provide a reliable reset signal when necessary.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 6.5V
• Threshold Voltage: 3.3V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 4µA (typical)
• Power-On Reset Time: 20ms (typical)

Detailed Pin Configuration

The TPS3852H33DRBR has the following pin configuration:

1. GND: Ground connection
2. VDD: Positive supply voltage input
3. RESET: Output pin for reset signal
4. MR: Manual reset input
5. N/A: No connection

Functional Features

• Accurate voltage monitoring: The TPS3852H33DRBR ensures precise monitoring of voltage levels, providing a reliable reset signal when the voltage falls below the threshold.
• Power-on reset: It generates a reset signal during power-up, ensuring proper initialization of the system.
• Brownout detection: The device can detect brownout conditions and assert the reset signal to prevent improper operation.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Wide operating temperature range
• Low power consumption
• Compact package for easy integration

Disadvantages

• Fixed threshold voltage may not be suitable for all applications requiring different voltage levels.

Working Principles

The TPS3852H33DRBR operates by comparing the monitored voltage with the fixed threshold voltage. When the voltage falls below the threshold, it asserts the reset signal, indicating a power failure or brownout condition. This ensures that the system remains in a known state and prevents any erratic behavior.

Detailed Application Field Plans

The TPS3852H33DRBR finds application in various fields, including:

1. Industrial automation: It is used to monitor voltage levels in control systems, ensuring reliable operation.
2. Automotive electronics: The device provides voltage supervision in automotive applications, preventing potential malfunctions.
3. Consumer electronics: It is utilized in devices such as smartphones and tablets to ensure stable operation during power fluctuations.

Detailed and Complete Alternative Models

1. TPS3850H33DRBR: Similar to TPS3852H33DRBR but with a different package option.
2. TPS3839K33DBVR: A voltage supervisor with adjustable threshold voltage.
3. TPS3808G01DBVR: Offers additional features like watchdog timer functionality.

These alternative models provide similar voltage monitoring capabilities with slight variations in specifications and features.

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