MAX6368LKA29-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitor with adjustable threshold
• Package: SOT23-3
• Essence: Monitors the voltage level of a power supply and provides an output 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
• Adjustable Threshold Voltage Range: 1.2V to 4.9V
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6368LKA29-T has three pins:

1. GND: Ground connection
2. VCC: Power supply input
3. TH: Threshold voltage adjustment pin

Functional Features

• Low-power consumption: The MAX6368LKA29-T operates with a quiescent current of only 1µA, making it suitable for battery-powered applications.
• Adjustable threshold voltage: The threshold voltage can be set between 1.2V and 4.9V using an external resistor divider network, allowing flexibility in monitoring different voltage levels.
• Precision monitoring: The device provides accurate voltage monitoring with a typical accuracy of ±1.5%.
• Open-drain output: The output pin is an open-drain configuration, which allows easy interfacing with other digital circuits.

Advantages and Disadvantages

Advantages: - Low-power consumption extends battery life in portable devices. - Adjustable threshold voltage enables monitoring of various power supply levels. - High precision ensures reliable voltage monitoring. - Open-drain output simplifies integration with other circuits.

Disadvantages: - Limited to monitoring voltage levels within the specified range (1.6V to 5.5V). - Requires an external resistor divider network for threshold voltage adjustment.

Working Principles

The MAX6368LKA29-T is designed to monitor the voltage level of a power supply. It compares the input voltage with an internally generated reference voltage. When the input voltage falls below the threshold voltage set by the external resistor divider network, the device triggers an output signal. This signal can be used to alert the system or initiate appropriate actions, such as shutting down the system to prevent damage due to low voltage.

Detailed Application Field Plans

The MAX6368LKA29-T finds applications in various fields, including:

1. Battery-powered devices: It can be used to monitor battery voltage and provide low-battery warnings.
2. Power management systems: The device ensures proper voltage levels in power supplies, preventing undervoltage conditions.
3. Industrial automation: It can be employed in control systems to monitor critical power supply voltages and trigger alarms or shutdowns when necessary.
4. Automotive electronics: The IC can be utilized in automotive applications to monitor battery voltage and protect sensitive electronic components from voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX6369LKA29-T: Similar to MAX6368LKA29-T but with a different package (SOT23-5) and additional features like adjustable hysteresis.
2. MAX6380XR46D3-T: Voltage monitor with fixed threshold voltage (4.6V) and push-pull output configuration.
3. MAX6315US26D3-T: Voltage monitor with fixed threshold voltage (2.6V) and open-drain output configuration.

These alternative models offer different package options, fixed threshold voltages, and additional features to suit specific application requirements.

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