MAX6705AZKA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX6705AZKA+ is a voltage detector and sequencer IC. It is designed to monitor and control the power supply voltage in electronic systems.

Characteristics: - Voltage detection range: 1.6V to 5.5V - Low quiescent current: 7µA (typical) - Adjustable reset threshold voltage - Power-on reset delay time: 100ms (typical) - Small package size: SOT23-3 - RoHS compliant

Package: The MAX6705AZKA+ is available in a small SOT23-3 package, which is suitable for space-constrained applications.

Essence: This IC provides accurate voltage monitoring and sequencing capabilities, ensuring proper power supply operation in various electronic systems.

Packaging/Quantity: The MAX6705AZKA+ is typically sold in reels of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)
• Reset Threshold Voltage Range: 1.2V to 4.63V
• Power-On Reset Delay Time: 100ms (typical)
• Output Type: Active-Low Open-Drain
• Package Type: SOT23-3

Detailed Pin Configuration

The MAX6705AZKA+ has three pins arranged as follows:

```

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| | --| VDD |-- Pin 1: Supply Voltage (1.6V to 5.5V) --| GND |-- Pin 2: Ground --| RESET |-- Pin 3: Active-Low Open-Drain Reset Output |_______| ```

Functional Features

1. Voltage Monitoring: The MAX6705AZKA+ accurately monitors the power supply voltage and provides a reset signal when the voltage falls below the user-defined threshold.
2. Power-On Reset Delay: It includes a built-in delay circuit to ensure that the reset output remains active for a specific time after power is applied, allowing the system to stabilize before operation.
3. Adjustable Threshold Voltage: The IC allows users to set the desired reset threshold voltage within the specified range, providing flexibility for different applications.
4. Low Quiescent Current: With a typical quiescent current of only 7µA, the MAX6705AZKA+ minimizes power consumption, making it suitable for battery-powered devices.
5. Small Package Size: The SOT23-3 package offers a compact form factor, enabling space-constrained designs.

Advantages and Disadvantages

Advantages: - Accurate voltage monitoring and sequencing capabilities - Adjustable reset threshold voltage - Low quiescent current for power efficiency - Small package size for space-constrained applications - Power-on reset delay ensures stable operation

Disadvantages: - Limited voltage detection range (1.6V to 5.5V) - Only available in SOT23-3 package

Working Principles

The MAX6705AZKA+ operates by continuously monitoring the supply voltage. When the voltage drops below the user-defined threshold, the IC asserts an active-low reset signal. This signal remains active for a specific duration determined by the power-on reset delay circuitry. Once the voltage rises above the threshold, the reset signal is released.

Detailed Application Field Plans

The MAX6705AZKA+ finds applications in various electronic systems where accurate voltage monitoring and sequencing are crucial. Some potential application fields include: - Power supply monitoring in microcontrollers and microprocessors - Battery-powered devices requiring low power consumption - Industrial control systems - Automotive electronics - Portable consumer electronics

Detailed and Complete Alternative Models

1. MAX6706AZKA+: Similar to the MAX6705AZKA+, but with a wider voltage detection range (0.4V to 5.5V).
2. MAX6710AZKA+: Provides additional features such as adjustable reset timeout delay and watchdog timer functionality.
3. MAX6712AZKA+: Offers a higher voltage detection range (1.6V to 10V) and adjustable reset threshold voltage.

These alternative models provide options for different voltage ranges and additional functionalities, catering to diverse application requirements.

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