MAX16055BAUB+T

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisors
• Characteristics: Low-power, precision voltage monitor with manual reset input and watchdog timer
• Package: 8-pin µMAX® (3mm x 3mm)
• Essence: Provides accurate monitoring of system voltages to ensure proper operation and prevent damage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Manual Reset Input Threshold: 0.4V
• Watchdog Timeout Period: 1.6s, 6.4s, or 25.6s (selectable)
• Quiescent Current: 2µA (typical)

Pin Configuration

```

---

| | --| VCC |-- --| GND |-- --| MR |-- --| RESET |-- --| WDI |-- --| GPOUT |-- --| NC |-- |___________| ```

Functional Features

1. Voltage Monitoring: Accurately monitors the system voltage and provides a reset signal when it falls below a specified threshold.
2. Manual Reset Input: Allows for manual reset of the device by asserting a low-level signal on the MR pin.
3. Watchdog Timer: Detects system malfunctions by monitoring the WDI pin and generates a reset signal if the watchdog timeout period is exceeded.
4. Power-On Reset: Generates a reset signal during power-up to ensure a controlled start-up sequence.

Advantages

• Low-power consumption extends battery life in portable applications.
• Wide supply voltage range allows for compatibility with various systems.
• Small package size enables space-saving designs.
• Accurate voltage monitoring ensures system reliability.

Disadvantages

• Limited number of selectable watchdog timeout periods.
• Manual reset input may require additional external components for proper functionality in some applications.

Working Principles

The MAX16055BAUB+T is a voltage supervisor integrated circuit that continuously monitors the system voltage. It compares the monitored voltage with a user-defined threshold and generates a reset signal when the voltage falls below this threshold. The device also includes a watchdog timer that detects system malfunctions by monitoring an external signal connected to the WDI pin. If the watchdog timeout period is exceeded, a reset signal is generated.

During power-up, the MAX16055BAUB+T generates a reset signal to ensure a controlled start-up sequence. The manual reset input allows for a manual reset of the device by asserting a low-level signal on the MR pin.

Detailed Application Field Plans

The MAX16055BAUB+T is commonly used in various electronic systems where accurate voltage monitoring is critical. Some application fields include:

1. Battery-Powered Devices: Ensures proper operation and prevents damage to sensitive components by monitoring battery voltage levels.
2. Industrial Control Systems: Provides reliable supervision of power supply voltages to prevent system failures and ensure safe operation.
3. Automotive Electronics: Monitors critical voltages in automotive systems to enhance safety and protect sensitive electronics.
4. Medical Equipment: Ensures continuous and reliable operation of medical devices by monitoring power supply voltages.

Detailed and Complete Alternative Models

1. MAX16056BAUB+T: Similar to MAX16055BAUB+T but with additional features such as adjustable reset thresholds and power-fail detection.
2. MAX16057BAUB+T: Voltage supervisor with integrated power-on reset and watchdog timer, suitable for applications requiring enhanced system monitoring capabilities.
3. MAX16058BAUB+T: Low-power voltage supervisor with manual reset input and adjustable watchdog timeout period, ideal for battery-powered applications.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheets for a complete list of available options.)

Word count: 534 words