MAX6385XS28D7-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: SOT23-5
• Essence: Monitors voltage levels and provides a digital output based on the threshold set by the user.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 28V
• Threshold Voltage Options: Adjustable from 1.25V to 5V in 100mV increments
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Detailed Pin Configuration

The MAX6385XS28D7-T has a total of 5 pins:

1. GND: Ground connection
2. VCC: Supply voltage input
3. TH: Threshold voltage adjustment pin
4. RESET: Digital output indicating voltage level
5. MR: Manual reset input

Functional Features

• Monitors the voltage level at the TH pin and compares it with the threshold set by the user.
• Provides a digital output on the RESET pin, indicating whether the voltage is above or below the threshold.
• Offers an adjustable threshold voltage, allowing customization for different applications.
• Low quiescent current consumption makes it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Adjustable threshold voltage provides flexibility in voltage monitoring applications.
• Low quiescent current minimizes power consumption.
• Small package size (SOT23-5) enables space-saving designs.

Disadvantages

• Limited number of threshold voltage options (adjustable in 100mV increments).
• Manual reset input (MR) may require additional external components for certain applications.

Working Principles

The MAX6385XS28D7-T operates by comparing the voltage at the TH pin with the threshold voltage set by the user. When the voltage at TH exceeds the threshold, the digital output on the RESET pin goes high. Conversely, when the voltage falls below the threshold, the RESET pin goes low. The threshold voltage can be adjusted using an external resistor divider connected to the TH pin.

Detailed Application Field Plans

The MAX6385XS28D7-T is commonly used in various applications where voltage monitoring is critical. Some potential application fields include:

1. Battery-Powered Devices: Ensuring proper battery voltage levels to prevent damage or unexpected shutdowns.
2. Power Supply Monitoring: Detecting undervoltage or overvoltage conditions in power supply circuits.
3. Industrial Control Systems: Monitoring voltage levels in control systems to ensure stable operation and prevent malfunctions.
4. Automotive Electronics: Voltage monitoring in automotive systems to protect sensitive components from voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX6386XS29D7-T: Similar to MAX6385XS28D7-T but with a higher threshold voltage range (adjustable from 1.25V to 5.5V).
2. MAX6384XS27D7-T: Similar to MAX6385XS28D7-T but with a lower threshold voltage range (adjustable from 1.25V to 4.5V).
3. MAX6387XS30D7-T: Similar to MAX6385XS28D7-T but with a wider supply voltage range (1.6V to 30V).

These alternative models offer similar functionality with slight variations in threshold voltage range and supply voltage compatibility.

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