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MAX6421XS25+T
Product Overview
Category
The MAX6421XS25+T belongs to the category of voltage supervisors.
Use
It is primarily used for monitoring and controlling the voltage levels in electronic circuits.
Characteristics
- Voltage monitoring: The MAX6421XS25+T can monitor the voltage levels and provide an output signal based on predefined thresholds.
- Precision: It offers high accuracy in voltage monitoring, ensuring reliable operation of the circuit.
- Low power consumption: The device consumes minimal power, making it suitable for battery-powered applications.
- Small package size: The MAX6421XS25+T comes in a compact package, saving space on the circuit board.
- Wide operating temperature range: It can operate within a wide temperature range, making it suitable for various environments.
Package
The MAX6421XS25+T is available in a small surface-mount package.
Essence
The essence of the MAX6421XS25+T lies in its ability to monitor voltage levels accurately and provide control signals accordingly.
Packaging/Quantity
The MAX6421XS25+T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Supply voltage range: 1.8V to 5.5V
- Threshold voltage options: 2.5V
- Operating temperature range: -40°C to +85°C
- Output type: Active-low push-pull
- Quiescent current: 3µA (typical)
Detailed Pin Configuration
The MAX6421XS25+T has the following pin configuration:
- GND: Ground connection
- VCC: Power supply input
- RESET#: Active-low reset output
- MR#: Manual reset input
- TH: Threshold voltage selection input
Functional Features
- Voltage monitoring: The MAX6421XS25+T continuously monitors the input voltage and compares it with the threshold voltage.
- Reset signal generation: When the input voltage falls below the threshold voltage, the device generates a reset signal to indicate a power failure or abnormal voltage level.
- Manual reset: The MR# pin allows for manual resetting of the device.
- Threshold selection: The TH pin enables the selection of the desired threshold voltage.
Advantages and Disadvantages
Advantages
- Accurate voltage monitoring ensures reliable circuit operation.
- Low power consumption makes it suitable for battery-powered applications.
- Small package size saves space on the circuit board.
- Wide operating temperature range allows for use in various environments.
Disadvantages
- Limited threshold voltage options may not suit all applications.
- Lack of additional features compared to more advanced voltage supervisors.
Working Principles
The MAX6421XS25+T operates by continuously monitoring the input voltage using an internal voltage reference. It compares the input voltage with the selected threshold voltage. If the input voltage falls below the threshold voltage, the device generates a reset signal. This signal can be used to trigger appropriate actions in the circuit, such as shutting down or restarting components.
Detailed Application Field Plans
The MAX6421XS25+T finds application in various fields, including: - Power management systems - Battery-powered devices - Industrial automation - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the MAX6421XS25+T include: - MAX6422XS25+T - MAX6423XS25+T - MAX6424XS25+T - MAX6425XS25+T
These models have different threshold voltage options and may vary in other specifications, providing flexibility for different application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6421XS25+T v technických řešeních
Sure! Here are 10 common questions and answers related to the application of MAX6421XS25+T in technical solutions:
Q1: What is the MAX6421XS25+T? A1: The MAX6421XS25+T is a voltage supervisor IC that monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.
Q2: What is the operating voltage range of MAX6421XS25+T? A2: The operating voltage range of MAX6421XS25+T is typically between 1.6V and 5.5V.
Q3: How does MAX6421XS25+T provide a reset signal? A3: MAX6421XS25+T has an open-drain output that pulls low when the monitored voltage drops below the threshold, providing a reset signal to the system.
Q4: Can I adjust the threshold voltage of MAX6421XS25+T? A4: No, the threshold voltage of MAX6421XS25+T is fixed at 2.5V.
Q5: What is the typical reset time delay of MAX6421XS25+T? A5: The typical reset time delay of MAX6421XS25+T is around 140ms.
Q6: Can I use MAX6421XS25+T in battery-powered applications? A6: Yes, MAX6421XS25+T can be used in battery-powered applications as it operates within a wide voltage range and consumes very low quiescent current.
Q7: Is MAX6421XS25+T suitable for automotive applications? A7: Yes, MAX6421XS25+T is suitable for automotive applications as it meets the AEC-Q100 qualification standards.
Q8: Can I use multiple MAX6421XS25+T in parallel to monitor different voltage rails? A8: Yes, you can use multiple MAX6421XS25+T devices in parallel to monitor different voltage rails in your system.
Q9: Does MAX6421XS25+T have any built-in protection features? A9: Yes, MAX6421XS25+T has built-in overvoltage and undervoltage lockout protection to prevent damage to the IC.
Q10: What is the package type of MAX6421XS25+T? A10: MAX6421XS25+T is available in a small SOT23-5 package.
Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.