MAX6726KASVD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitoring and Resetting
• Characteristics: Low-power, precision voltage monitor with manual reset input
• Package: SOT23-5
• Essence: Monitors the voltage level of a power supply and asserts a reset signal when the voltage falls below a predetermined threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Manual Reset Input: Active-low, push-pull output
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

The MAX6726KASVD3+T IC has a total of five pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Manual Reset Input (MR) --| RST VDD |-- Pin 3: Power Supply (VDD) --| /RST RST |-- Pin 4: Reset Output (/RST) --| TH GND |-- Pin 5: Threshold Voltage Selection (TH) |___________| ```

Functional Features

• Monitors the voltage level of a power supply
• Asserts a reset signal when the voltage falls below the selected threshold
• Provides a manual reset input for immediate system reset
• Low quiescent current consumption for power-sensitive applications
• Wide supply voltage range allows compatibility with various power sources
• Push-pull output for the manual reset signal

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation - Manual reset input provides flexibility in system control - Low-power consumption extends battery life in portable devices - Small package size enables space-constrained designs

Disadvantages: - Limited threshold voltage options may not cover all application requirements - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage

Working Principles

The MAX6726KASVD3+T operates by continuously monitoring the voltage level of the connected power supply. It compares the supply voltage against the selected threshold voltage, which can be set using the TH pin. When the supply voltage falls below the threshold, the IC asserts a reset signal on the /RST pin.

Additionally, the IC features a manual reset input (MR) that allows the system to be reset immediately, regardless of the monitored voltage level. This provides an extra layer of control and flexibility in system operation.

Detailed Application Field Plans

The MAX6726KASVD3+T is commonly used in various applications where voltage monitoring and resetting are critical. Some typical application fields include:

1. Battery-Powered Devices: Portable electronics, such as smartphones, tablets, and wearables, benefit from the low-power consumption and precise voltage monitoring capabilities of the MAX6726KASVD3+T.

2. Industrial Control Systems: The IC ensures reliable operation of industrial control systems by monitoring the power supply voltage and initiating a reset when necessary.

3. Automotive Electronics: In automotive applications, the MAX6726KASVD3+T helps maintain stable operation by monitoring the vehicle's power supply and triggering a reset if the voltage drops below the specified threshold.

4. Home Automation: Voltage monitoring and resetting are crucial in home automation systems to ensure uninterrupted operation and prevent damage to connected devices. The MAX6726KASVD3+T provides a reliable solution for this purpose.

Detailed and Complete Alternative Models

1. MAX6715AUTYDD3+T: Low-power voltage monitor with adjustable threshold and push-pull output in a SOT23-6 package.
2. MAX6384XS26D3+T: Voltage monitor with fixed 2.6V threshold, manual reset input, and open-drain output in a SOT23-5 package.
3. MAX6751KA29+T: Precision voltage monitor with adjustable threshold, manual reset input, and active-low push-pull output in a SOT23-5 package.

These alternative models offer similar functionality and can be considered as alternatives to the MAX6726KASVD3+T based on specific application requirements.

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