MAX6388XS45D1-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: SOT23-5
• Essence: Monitors the voltage level of a power supply 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: 4.5V
• Reset Timeout Period: Adjustable from 1ms to 1600ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6388XS45D1-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
5. TH: Threshold voltage selection pin

Functional Features

• Monitors the voltage level of the power supply continuously.
• Generates a reset signal when the voltage falls below the threshold voltage.
• Provides an adjustable reset timeout period for system stabilization.
• Offers a manual reset option for immediate system reset.

Advantages and Disadvantages

Advantages: - Low-power consumption, suitable for battery-powered applications. - Precision voltage monitoring ensures accurate reset generation. - Adjustable reset timeout period allows flexibility in system design. - Small package size enables space-saving on PCB.

Disadvantages: - Limited threshold voltage options may not cater to all voltage requirements. - Manual reset input may introduce additional complexity in system design.

Working Principles

The MAX6388XS45D1-T operates by continuously monitoring the voltage level of the power supply connected to its VCC pin. When the voltage falls below the threshold voltage set by the TH pin, the circuit triggers a reset signal on the RESET pin. The reset signal remains active until the voltage rises above the threshold voltage or a manual reset is applied to the MR pin.

The reset timeout period can be adjusted using external components connected to the IC. This feature allows system designers to control the duration of the reset signal for proper system stabilization.

Detailed Application Field Plans

The MAX6388XS45D1-T finds applications in various fields, including:

1. Microcontroller-based systems: Provides reliable reset functionality to ensure proper initialization and operation of microcontrollers.
2. Battery-powered devices: Monitors battery voltage to prevent damage due to undervoltage conditions and initiate system shutdown if necessary.
3. Industrial automation: Ensures stable operation of control systems by resetting them in case of power supply fluctuations or failures.
4. Automotive electronics: Protects sensitive electronic components from voltage drops and ensures safe operation of automotive systems.

Detailed and Complete Alternative Models

1. MAX6388XS45D2-T: Same features as MAX6388XS45D1-T but with a different threshold voltage option (4.6V).
2. MAX6388XS45D3-T: Same features as MAX6388XS45D1-T but with a different threshold voltage option (4.7V).
3. MAX6388XS45D4-T: Same features as MAX6388XS45D1-T but with a different threshold voltage option (4.8V).

These alternative models provide flexibility in selecting the appropriate threshold voltage for specific application requirements.

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