MAX6385XS20D7-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 5.5V
• Threshold Voltage Options: Adjustable from 1.22V to 5.0V in 100mV steps
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The MAX6385XS20D7-T has a total of five pins:

1. GND: Ground connection
2. VCC: Supply voltage input
3. TH: Threshold voltage adjustment pin
4. RESET: Active-low open-drain reset output
5. MR: Manual reset input

Functional Features

• Monitors the voltage level at the TH pin and compares it with the internally set threshold voltage.
• When the voltage at the TH pin drops below the threshold, the RESET pin is pulled low, indicating a reset condition.
• The threshold voltage can be adjusted by connecting an external resistor divider network to the TH pin.
• Provides a manual reset option through the MR pin.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for flexibility in various applications.
• Adjustable threshold voltage enables customization according to specific requirements.
• Low quiescent current ensures minimal power consumption.
• Active-low open-drain output allows for easy interfacing with other devices.

Disadvantages

• Limited accuracy compared to more precise voltage monitoring ICs.
• SOT23-5 package may not be suitable for applications with space constraints.

Working Principles

The MAX6385XS20D7-T operates by continuously monitoring the voltage level at the TH pin. The threshold voltage, set either internally or externally, determines the point at which the RESET pin is pulled low. This digital output can be used to trigger a reset condition in the system. The device consumes very low power and provides accurate voltage monitoring capabilities.

Detailed Application Field Plans

The MAX6385XS20D7-T finds applications in various fields, including:

1. Battery-Powered Devices: Ensures proper shutdown when battery voltage drops below a certain level.
2. Power Management Systems: Monitors power supply voltages to protect sensitive components from undervoltage conditions.
3. Industrial Control Systems: Provides reliable reset signals to microcontrollers and other critical components.
4. Automotive Electronics: Protects electronic systems from voltage fluctuations and ensures safe operation.

Detailed and Complete Alternative Models

1. MAX6384XS20D7-T: Similar to MAX6385XS20D7-T but with fixed threshold voltage options.
2. MAX6386XS20D7-T: Higher accuracy version of MAX6385XS20D7-T with ±0.5% accuracy.
3. MAX6387XS20D7-T: Offers additional features such as adjustable hysteresis and watchdog timer functionality.

(Note: These alternative models are part of the same product family and share similar characteristics and pin configurations.)

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