MAX6709OUB+TG05

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, high-accuracy, small form factor
• Package: Micro SMD (Surface Mount Device)
• Essence: Monitors voltage levels and provides reset signals to ensure proper operation of electronic systems
• 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, 5.0V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Pin Configuration

The MAX6709OUB+TG05 features a 6-pin micro SMD package with the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| TH VCC |-- Pin 3: Supply Voltage (VCC) --| TO GND |-- Pin 4: Threshold Input (TH) --| TR GND |-- Pin 5: Reset Timeout Input (TR) --|___________|-- Pin 6: Not Connected (NC) ```

Functional Features

• Monitors the input voltage level and generates a reset signal when the voltage falls below the threshold.
• Provides an adjustable reset timeout period to ensure proper system recovery.
• Low quiescent current consumption for power-sensitive applications.
• Built-in hysteresis to prevent output oscillation near the threshold voltage.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Adjustable reset timeout period provides flexibility in system design. - Small form factor enables space-saving integration into compact electronic devices. - Low quiescent current consumption prolongs battery life in portable applications.

Disadvantages: - Limited threshold voltage options may not cover all voltage requirements. - Lack of additional features such as power-on reset delay or watchdog timer.

Working Principles

The MAX6709OUB+TG05 operates by comparing the input voltage (TH) with a preset threshold voltage. When the input voltage falls below the threshold, the reset output (RST) is asserted low, indicating a system reset condition. The reset signal remains active until the input voltage rises above the threshold and the reset timeout period (TR) elapses.

Detailed Application Field Plans

The MAX6709OUB+TG05 finds applications in various electronic systems where voltage monitoring and reset functionality are crucial for reliable operation. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper initialization and recovery during power-up and brownout conditions.
2. Communication Systems: Resetting transceivers and baseband processors in case of voltage fluctuations or system errors.
3. Industrial Control Systems: Monitoring power supply voltages to prevent damage to sensitive equipment and initiate safe shutdown procedures.
4. Automotive Electronics: Providing reset signals to microcontrollers, sensors, and other critical components for fault detection and recovery.
5. Medical Devices: Ensuring reliable operation and patient safety by resetting critical circuits in case of voltage anomalies.

Detailed and Complete Alternative Models

1. MAX6710OUB+TG05: Similar to MAX6709OUB+TG05 but with an adjustable reset timeout period up to 10 seconds.
2. MAX6711OUB+TG05: Voltage monitor and reset circuit with a wider supply voltage range of 1.6V to 10V.
3. MAX6712OUB+TG05: Integrated circuit with dual voltage monitoring channels for simultaneous monitoring of two independent power supplies.

These alternative models offer similar functionality with slight variations in specifications, providing options to suit different application requirements.

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