MAX6756UKTD0+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, adjustable threshold voltage
• Package: SOT23-5
• Essence: Monitors and controls the voltage level of a system
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Adjustable from 0.4V to 5V in 100mV steps
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low, Open-Drain
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

The MAX6756UKTD0+T has a total of five pins arranged as follows:

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Pin 1: GND (Ground) Pin 2: RESET (Active-Low Reset Output) Pin 3: MR (Manual Reset Input) Pin 4: TH (Threshold Voltage Input) Pin 5: VCC (Supply Voltage Input)

Functional Features

• Monitors the supply voltage and asserts the reset output when it falls below the programmed threshold voltage.
• Provides a manual reset input for immediate system reset.
• Adjustable threshold voltage allows customization for different applications.
• Open-drain output can be easily interfaced with other devices.

Advantages and Disadvantages

Advantages: - Low quiescent current makes it suitable for battery-powered applications. - Wide supply voltage range enables compatibility with various systems. - Adjustable threshold voltage provides flexibility for different voltage monitoring requirements.

Disadvantages: - Limited reset timeout period may not be suitable for all applications. - SOT23-5 package may require additional space compared to smaller packages.

Working Principles

The MAX6756UKTD0+T is a voltage supervisor IC that continuously monitors the supply voltage of a system. It compares the voltage at the TH pin with the internally set threshold voltage. When the supply voltage drops below the threshold, the RESET pin is asserted low, indicating a power failure or an out-of-range condition.

The manual reset input (MR) allows the system to be reset immediately by pulling it low. This feature is useful during system testing or when a manual reset is required.

The threshold voltage can be adjusted using an external resistor divider connected to the TH pin. This allows customization of the voltage level at which the reset output is triggered.

Detailed Application Field Plans

The MAX6756UKTD0+T is commonly used in various applications where monitoring and controlling the supply voltage is critical. Some typical application fields include:

1. Battery-Powered Devices: Portable electronics, IoT devices, and wearable gadgets often rely on battery power. The MAX6756UKTD0+T ensures proper operation by monitoring the battery voltage and initiating a reset if it falls below a safe level.

2. Industrial Control Systems: In industrial environments, voltage fluctuations can cause system malfunctions or data corruption. By using the MAX6756UKTD0+T, these systems can be protected from such issues by triggering a reset when the supply voltage deviates from the desired range.

3. Automotive Electronics: Automotive applications require robust voltage monitoring to ensure reliable operation. The MAX6756UKTD0+T can be used in automotive control units, infotainment systems, and other electronic modules to monitor the vehicle's power supply and initiate appropriate actions in case of voltage anomalies.

Detailed and Complete Alternative Models

1. MAX6757UKTD0+T: Similar to MAX6756UKTD0+T, but with a different reset timeout period.
2. MAX6758UKTD0+T: Offers additional features such as a watchdog timer and adjustable reset timeout period.
3. MAX6759UKTD0+T: Provides multiple threshold voltage options for more precise voltage monitoring.

These alternative models offer similar functionality to the MAX6756UKTD0+T but may have slight differences in specifications or additional features to cater to specific application requirements.

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