MAX6423XS48+T

Product Overview

Category

The MAX6423XS48+T belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for voltage monitoring and reset functions in various electronic devices.

Characteristics

• Voltage monitoring: The MAX6423XS48+T provides accurate monitoring of supply voltages.
• Reset function: It generates a reset signal when the monitored voltage falls below a specified threshold.
• Low power consumption: This IC operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide range of supply voltages, typically from 1.6V to 5.5V.
• Small package size: The MAX6423XS48+T is available in a small SOT23-8 package.

Package and Quantity

The MAX6423XS48+T is packaged in a SOT23-8 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Accuracy: ±1.5%
• Quiescent Current: 2µA (typical)
• Reset Timeout Period: Adjustable or fixed options available

Pin Configuration

The MAX6423XS48+T has a total of 8 pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| TH TO |-- Pin 3: Timeout/Threshold Input (TO/TH) --| VCC GND |-- Pin 4: Ground (GND) --| MR RST |-- Pin 5: Reset Output (RST) --| TH TO |-- Pin 6: Timeout/Threshold Input (TO/TH) --| VCC GND |-- Pin 7: Ground (GND) |___________| ```

Functional Features

1. Voltage Monitoring: The MAX6423XS48+T continuously monitors the supply voltage and compares it to a user-defined threshold.
2. Reset Generation: When the monitored voltage falls below the threshold, the IC generates a reset signal to initiate system recovery or shutdown.
3. Adjustable Timeout Period: The timeout period can be adjusted using an external resistor and capacitor, allowing flexibility in defining the duration of the reset signal.
4. Power-On Reset: The IC provides a power-on reset function, ensuring proper initialization of the system upon power-up.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring for reliable system operation.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range enables compatibility with various power sources.
• Small package size facilitates space-constrained designs.

Disadvantages

• Limited number of pins may restrict the number of additional features that can be integrated.
• Not suitable for applications requiring precise voltage regulation.

Working Principles

The MAX6423XS48+T operates by comparing the supply voltage with a user-defined threshold. If the voltage drops below this threshold, the IC generates a reset signal. The timeout period, which determines the duration of the reset signal, can be adjusted externally. Upon power-up, the IC also provides a power-on reset function to ensure proper system initialization.

Application Field Plans

The MAX6423XS48+T finds applications in various electronic systems where voltage monitoring and reset functions are critical. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation equipment
4. Power management systems
5. Battery-powered devices
6. Automotive electronics

Alternative Models

1. MAX6423XS48+T: The specific model discussed in this entry.
2. MAX6423US48+T: Similar to the MAX6423XS48+T, but with a different package (µMAX-8).
3. MAX6423XS46+T: A variant with a lower operating voltage range (1.6V to 4.6V).

These alternative models offer similar functionality but may differ in package type or operating voltage range.

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