MAX6834WXRD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: 8-pin WLP (Wafer Level Package)
• Essence: Ensures reliable power supply by monitoring voltage levels
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)
• Reset Threshold Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable or fixed options available
• Output Type: Active-Low, Push-Pull or Open-Drain
• Power-On Reset Delay: 100ms (typical)

Detailed Pin Configuration

The MAX6834WXRD3+T has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. RESET#: Active-Low Reset output
4. VCC: Positive supply voltage
5. TH: Threshold input for reset voltage selection
6. CT: Capacitor connection for reset timeout period adjustment
7. NC: No Connection
8. NC: No Connection

Functional Features

• Voltage Monitoring: Monitors the supply voltage and asserts a reset signal when it falls below the specified threshold.
• Manual Reset: Allows external control to assert a reset signal.
• Adjustable Reset Timeout: Provides flexibility in setting the duration of the reset signal.
• Power-On Reset Delay: Ensures a stable power supply before releasing the reset signal.

Advantages and Disadvantages

Advantages: - Low quiescent current enables power-efficient operation. - Wide supply voltage range allows compatibility with various systems. - Adjustable reset timeout period offers customization options. - Small package size saves board space.

Disadvantages: - Limited number of threshold options for reset voltage selection. - No internal pull-up resistor for the manual reset input.

Working Principles

The MAX6834WXRD3+T operates by continuously monitoring the supply voltage. When the voltage falls below the selected threshold, the device asserts a reset signal on the RESET# pin. The reset signal remains active until the voltage rises above the threshold or the reset timeout period elapses. The manual reset input (MR) allows an external control to assert a reset signal, overriding the voltage monitoring. The reset timeout period can be adjusted using an external capacitor connected to the CT pin.

Detailed Application Field Plans

The MAX6834WXRD3+T is commonly used in various applications where reliable power supply monitoring is critical. Some potential application fields include:

1. Battery-Powered Devices: Ensures proper functioning and prevents data loss by monitoring battery voltage levels.
2. Industrial Control Systems: Provides reliable power supply monitoring in industrial automation and control systems.
3. Medical Equipment: Safeguards critical medical devices by monitoring power supply integrity.
4. Automotive Electronics: Ensures stable operation of automotive electronics by monitoring voltage levels.
5. Consumer Electronics: Protects sensitive electronic components from voltage fluctuations in consumer devices.

Detailed and Complete Alternative Models

1. MAX6833WXRD3+T: Similar to MAX6834WXRD3+T but with fixed reset timeout period.
2. MAX6835WXRD3+T: Offers additional threshold options for reset voltage selection.
3. MAX6836WXRD3+T: Provides adjustable reset timeout period and additional features like watchdog timer.

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