MAX16040PLA46+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitor
• Characteristics: Low-power, high-accuracy, voltage monitoring
• Package: 6-pin Plastic SOT23 package
• Essence: Monitors the voltage level of a power supply and provides an output signal to indicate if the voltage is within the desired range.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Threshold Voltage Options: 4.6V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low, Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX16040PLA46+T has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| OUT IN |-- Pin 2: Input Voltage (IN) --| |-- Pin 3: No Connection (NC) --| |-- Pin 4: No Connection (NC) --| |-- Pin 5: No Connection (NC) --|__________|-- Pin 6: Output (OUT) ```

Functional Features

• Monitors the input voltage and compares it to the threshold voltage.
• Provides an active-low output signal when the input voltage falls below the threshold.
• Can be used to detect power supply failures or low battery conditions.
• Low quiescent current makes it suitable for battery-powered applications.
• Open-drain output allows for easy interfacing with other devices.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile applications. - High accuracy ensures reliable voltage monitoring. - Low quiescent current minimizes power consumption. - Small package size enables space-saving designs. - Open-drain output provides flexibility in system integration.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Lack of additional features such as hysteresis or adjustable thresholds.

Working Principles

The MAX16040PLA46+T operates by comparing the input voltage (IN) to the threshold voltage. When the input voltage falls below the threshold, the output (OUT) becomes active-low, indicating a fault condition. The open-drain output can be connected to an external pull-up resistor and monitored by a microcontroller or other digital circuitry.

Detailed Application Field Plans

The MAX16040PLA46+T is commonly used in various applications, including:

1. Battery-Powered Devices:

   • Monitors battery voltage to detect low battery conditions.
   • Triggers actions such as warning indicators or system shutdown.

2. Power Supply Monitoring:

   • Ensures stable operation of power supplies in electronic systems.
   • Alerts the system when the power supply voltage drops below a critical level.

3. Industrial Control Systems:

   • Provides voltage monitoring in control panels and equipment.
   • Enables timely detection of power supply failures to prevent downtime.

4. Automotive Electronics:

   • Monitors vehicle battery voltage to prevent unexpected shutdowns.
   • Supports proper functioning of automotive systems and accessories.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX16040PLA46+T include:

1. MAX16041PLA46+T: Similar to MAX16040PLA46+T but with a different threshold voltage option.
2. MAX16042PLA46+T: Provides adjustable threshold voltage for more flexibility.
3. MAX16043PLA46+T: Offers additional hysteresis feature for improved noise immunity.

These alternative models can be considered based on specific application requirements and desired features.

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