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MAX643ACSA+T
Product Overview
Category
The MAX643ACSA+T belongs to the category of voltage supervisors and reset ICs.
Use
It is used to monitor system voltages and provide a reset signal to the microcontroller in case of power supply issues.
Characteristics
- Voltage monitoring range: 1.8V to 5V
- Low supply current: 12µA (typ)
- Small package size: SOIC, SOT23
Package
The MAX643ACSA+T comes in a small outline integrated circuit (SOIC) or small outline transistor (SOT23) package.
Essence
The essence of MAX643ACSA+T lies in its ability to ensure reliable operation of microcontrollers by monitoring voltage levels and providing reset signals when necessary.
Packaging/Quantity
The MAX643ACSA+T is typically available in tape and reel packaging with a quantity of 2500 units per reel.
Specifications
- Operating Voltage Range: 1.8V to 5.5V
- Reset Threshold Accuracy: ±1.5%
- Reset Timeout Period: 140ms (min)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX643ACSA+T has the following pin configuration: 1. GND 2. RESET 3. MR 4. VCC
Functional Features
- Precision monitoring of system voltages
- Manual reset input for external override
- Low supply current for minimal power consumption
- Adjustable reset timeout period for flexibility
Advantages and Disadvantages
Advantages
- Wide operating voltage range
- Small package size for space-constrained applications
- Low supply current for power efficiency
Disadvantages
- Limited reset timeout period may not be suitable for all applications
- Manual reset input may require additional circuitry for implementation
Working Principles
The MAX643ACSA+T operates by continuously monitoring the system voltage and comparing it to a preset threshold. If the voltage falls below the threshold, the device asserts a reset signal to the microcontroller, ensuring proper system operation.
Detailed Application Field Plans
The MAX643ACSA+T is commonly used in embedded systems, IoT devices, industrial control systems, and automotive electronics where reliable voltage monitoring and reset functionality are critical for system stability.
Detailed and Complete Alternative Models
Some alternative models to MAX643ACSA+T include: - MAX809 series from Maxim Integrated - ADM811 series from Analog Devices - MCP809 series from Microchip Technology
In conclusion, the MAX643ACSA+T is a versatile voltage supervisor and reset IC that offers precision monitoring, low power consumption, and compact packaging, making it suitable for a wide range of applications requiring reliable voltage monitoring and reset functionality.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX643ACSA+T en soluciones técnicas
What is the MAX643ACSA+T?
- The MAX643ACSA+T is a voltage monitor and reset circuit designed to assert a reset signal when the power supply voltage falls below a preset threshold.
What is the operating voltage range of the MAX643ACSA+T?
- The operating voltage range of the MAX643ACSA+T is typically between 4.5V and 5.5V.
How does the MAX643ACSA+T help in technical solutions?
- The MAX643ACSA+T helps in technical solutions by providing a reliable way to monitor the power supply voltage and initiate a reset if the voltage falls below a safe level, ensuring proper system operation.
What is the typical reset timeout period of the MAX643ACSA+T?
- The typical reset timeout period of the MAX643ACSA+T is 140ms.
Can the threshold voltage of the MAX643ACSA+T be adjusted?
- Yes, the threshold voltage of the MAX643ACSA+T can be adjusted using external resistors to suit specific application requirements.
What is the quiescent current consumption of the MAX643ACSA+T?
- The quiescent current consumption of the MAX643ACSA+T is typically very low, making it suitable for power-sensitive applications.
Is the MAX643ACSA+T available in a surface-mount package?
- Yes, the MAX643ACSA+T is available in a surface-mount SOIC package, making it suitable for compact designs.
Can the MAX643ACSA+T be used in battery-powered applications?
- Yes, the low quiescent current and wide operating voltage range make the MAX643ACSA+T suitable for battery-powered applications.
Does the MAX643ACSA+T have built-in hysteresis?
- Yes, the MAX643ACSA+T features built-in hysteresis to prevent erratic reset operation due to voltage fluctuations.
What are some common applications of the MAX643ACSA+T?
- Common applications of the MAX643ACSA+T include microcontroller-based systems, industrial control systems, automotive electronics, and portable devices where reliable power supply monitoring is essential.