MAX6835IXSD2+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, reset output
• Package: 6-pin SOT23 package
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6835IXSD2+T has the following pin configuration:

1. GND: Ground connection
2. RESET: Reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection
6. TO: Reset timeout period selection

Functional Features

• Monitors the power supply voltage and generates a reset signal when it falls below the selected threshold voltage.
• Provides a manual reset input for external reset control.
• Offers various options for threshold voltage and reset timeout period to suit different applications.
• Low-power consumption ensures minimal impact on overall system power consumption.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring power supply voltage. - Wide supply voltage range allows compatibility with various systems. - Small form factor and tape and reel packaging make it suitable for automated assembly processes. - Multiple threshold voltage and reset timeout period options provide flexibility for different applications.

Disadvantages: - Limited number of pins restricts the availability of additional features. - Manual reset input may require external components for proper functionality.

Working Principles

The MAX6835IXSD2+T operates by continuously monitoring the power supply voltage connected to the VCC pin. When the voltage falls below the selected threshold voltage, the IC generates a reset signal on the RESET pin. This signal can be used to reset microcontrollers, digital logic circuits, or other system components.

The manual reset input (MR) allows an external signal to override the internal monitoring and generate a reset signal. This feature is useful during system testing or when a manual reset is required.

The threshold voltage (TH) pin selects the desired voltage level at which the reset signal is triggered. The reset timeout period (TO) pin determines the duration for which the reset signal remains active after the power supply voltage rises above the threshold voltage.

Detailed Application Field Plans

The MAX6835IXSD2+T finds applications in various fields where reliable power supply monitoring and reset generation are crucial. Some potential application areas include:

1. Microcontroller Systems: Ensuring proper initialization and safe operation of microcontrollers by providing a reliable reset signal upon power-up or voltage fluctuations.
2. Industrial Control Systems: Monitoring power supply voltage in industrial control systems to prevent data corruption or equipment malfunction during voltage dips or spikes.
3. Automotive Electronics: Resetting automotive electronic modules to ensure proper functioning and prevent system failures caused by voltage variations or transients.
4. Battery-Powered Devices: Protecting battery-powered devices from damage due to undervoltage conditions by triggering a reset or shutdown sequence.
5. Communication Equipment: Providing a reset signal to communication equipment such as routers, switches, or modems to maintain stable operation during power supply disturbances.

Detailed and Complete Alternative Models

1. MAX6836IXSD2+T: Similar to MAX6835IXSD2+T, but with additional features such as a watchdog timer and adjustable reset timeout period.
2. MAX6837IXSD2+T: Voltage supervisor IC with integrated power-on reset and manual reset input, suitable for applications requiring precise voltage monitoring and reset control.
3. MAX6838IXSD2+T: Dual-voltage supervisor IC with two independent voltage monitors and reset outputs, ideal for systems with multiple power supply rails.

These alternative models offer similar functionality to the MAX6835IXSD2+T but may provide additional features or different package options to suit specific application requirements.

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