MAX6408BS22+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, high-accuracy voltage monitoring, small package size
• Package: SOT-23-5
• Essence: Monitors supply voltage and generates a reset signal when the voltage falls below a certain threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.2V
• Reset Timeout Period: Adjustable from 1ms to 1600ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6408BS22+T has a total of 5 pins:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input (active-low)
4. RESET: Reset output (active-low)
5. TH: Threshold voltage selection pin

Functional Features

• Monitors the supply voltage and asserts the reset signal when the voltage drops below the set threshold
• Provides an adjustable reset timeout period for flexibility in different applications
• Offers manual reset capability through the MR pin
• Low quiescent current consumption, making it suitable for battery-powered devices
• Small package size allows for space-constrained designs

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring ensures reliable system operation
• Adjustable reset timeout period accommodates various system requirements
• Manual reset option provides additional control over the reset functionality
• Low power consumption extends battery life in portable devices
• Compact package size enables integration into space-limited designs

Disadvantages

• Limited threshold voltage options may not cover all voltage monitoring needs
• Lack of built-in hysteresis may result in potential oscillations near the threshold voltage

Working Principles

The MAX6408BS22+T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the threshold set by the TH pin, the RESET pin is asserted low, indicating a reset condition. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6408BS22+T finds applications in various fields, including:

1. Battery-powered devices: Provides voltage monitoring and reset functionality to ensure proper operation and prevent data corruption during low battery conditions.
2. Microcontroller systems: Safeguards against power supply fluctuations and ensures reliable system startup and operation.
3. Industrial automation: Monitors power supply integrity in control systems, preventing errors and ensuring smooth operation.
4. Automotive electronics: Protects sensitive electronic components from voltage drops and ensures proper functioning of critical systems.

Detailed and Complete Alternative Models

1. MAX6408BS22+T+: Similar to MAX6408BS22+T, but with an extended operating temperature range (-40°C to +125°C).
2. MAX6408BS22+T/V+: Offers the same features as MAX6408BS22+T, with the addition of a manual reset input with a pull-up resistor.
3. MAX6408BS22+T/R+: Provides the same functionality as MAX6408BS22+T, but in a smaller SOT-23-3 package.

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