MAX16046ETN+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, programmable threshold, manual reset input
• Package: 6-pin Thin SOT23
• Essence: The MAX16046ETN+T is a voltage monitor and reset circuit designed to monitor the power supply voltage of electronic systems and provide a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Programmable from 1.2V to 4.625V in 100mV steps
• Reset Timeout Period: Programmable from 1ms to 640ms in 20ms steps
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Pin Configuration

The MAX16046ETN+T has the following pin configuration:

1. VCC: Power Supply Input
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Active-Low Reset Output
5. TH: Threshold Programming Input
6. NC: No Connection

Functional Features

• Precision voltage monitoring: The MAX16046ETN+T accurately monitors the power supply voltage and provides a reset signal when it falls below the programmed threshold.
• Programmable threshold: The threshold voltage can be easily programmed using an external resistor divider network, allowing flexibility in setting the desired voltage level for triggering the reset signal.
• Manual reset input: The MR pin allows for manual resetting of the system, providing an additional means of control.
• Low-power operation: The IC operates at a low quiescent current of only 3µA, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring - Programmable threshold for flexibility - Manual reset input for additional control - Low-power operation for battery-powered applications

Disadvantages: - Limited to a 6-pin package, which may not be suitable for all applications requiring voltage monitoring and reset functionality. - Not suitable for high-voltage applications due to the specified supply voltage range.

Working Principles

The MAX16046ETN+T works by comparing the power supply voltage with the programmed threshold voltage. When the power supply voltage falls below the threshold, the reset output is activated, indicating a power failure or an out-of-range condition. The manual reset input allows for immediate system reset regardless of the power supply voltage level.

Detailed Application Field Plans

The MAX16046ETN+T can be used in various applications where voltage monitoring and reset functionality are required. Some potential application fields include:

1. Microcontrollers and microprocessors: Ensuring proper system initialization and preventing erratic behavior during power-up or brownout conditions.
2. Industrial automation: Monitoring power supply voltages in control systems to prevent damage or data corruption during voltage fluctuations.
3. Automotive electronics: Providing reliable reset signals to microcontrollers and other critical components in automotive systems to ensure safe and proper operation.
4. Battery-powered devices: Monitoring battery voltage levels and initiating system shutdown or warning signals when the battery voltage drops below a certain threshold.

Detailed and Complete Alternative Models

Some alternative models that offer similar voltage monitoring and reset functionality include:

1. MAX16047ETN+T: Similar to MAX16046ETN+T but with additional features such as adjustable reset timeout period.
2. MAX16048ETN+T: Higher voltage range version of MAX16046ETN+T, suitable for applications requiring higher supply voltages.
3. MAX16049ETN+T: Dual-channel voltage monitor and reset circuit, capable of monitoring two independent power supply voltages simultaneously.

These alternative models provide options for different requirements and can be considered based on specific application needs.

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