MAX16055DAUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitor
• Characteristics: Low-power, voltage monitoring, reset output
• Package: 8-pin µMAX®
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.38V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Pin Configuration

The MAX16055DAUB+T has the following pin configuration:

```

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| | --| VCC | --| GND | --| MR | --| RESET | --| TH | --| CT | --| RSTOUT | |___________| ```

• VCC: Power supply input
• GND: Ground reference
• MR: Manual Reset input
• RESET: Output indicating the status of the monitored voltage
• TH: Threshold voltage selection input
• CT: Capacitor connection for reset timeout period adjustment
• RSTOUT: Reset output

Functional Features

• Monitors the voltage level of a power supply
• Provides a reset signal when the voltage falls below the selected threshold
• Adjustable reset timeout period allows customization based on application requirements
• Low quiescent current ensures minimal power consumption
• Manual reset input for immediate system reset

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various power sources - Adjustable threshold voltage options provide flexibility in different applications - Low-power operation extends battery life in portable devices - Small package size saves board space

Disadvantages: - Limited reset timeout period range may not suit all application needs - Lack of additional features such as hysteresis or watchdog timer

Working Principles

The MAX16055DAUB+T is designed to monitor the voltage level of a power supply. It compares the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

The reset timeout period can be adjusted using an external capacitor connected to the CT pin. This allows customization based on the specific requirements of the application.

Detailed Application Field Plans

The MAX16055DAUB+T is commonly used in various applications where monitoring the power supply voltage is critical. Some potential application fields include:

1. Battery-Powered Devices: Portable electronic devices, such as smartphones, tablets, and wearables, benefit from the voltage monitoring capabilities of the MAX16055DAUB+T. It ensures proper functioning and prevents data loss due to unexpected power interruptions.

2. Industrial Control Systems: In industrial environments, where stable power supply is crucial, the MAX16055DAUB+T can be used to monitor the voltage levels of control systems. It provides reliable reset signals to ensure safe operation and prevent damage to equipment.

3. Automotive Electronics: The automotive industry requires robust voltage monitoring solutions to protect sensitive electronics from voltage fluctuations. The MAX16055DAUB+T can be employed in various automotive applications, such as engine control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

1. MAX16050DAUB+T: Similar to the MAX16055DAUB+T, but with a fixed threshold voltage of 2.5V.
2. MAX16051DAUB+T: Offers additional hysteresis functionality for improved noise immunity.
3. MAX16052DAUB+T: Includes a watchdog timer feature for system monitoring and recovery.

These alternative models provide similar voltage monitoring capabilities with some additional features tailored to specific application requirements.

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