MIC6315-46D3U TR

Product Overview

Category

MIC6315-46D3U TR belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Voltage supervision range: 4.6V
• Package type: SOT-23-3
• Low quiescent current: 1.5µA (typical)
• Power-on reset delay time: 100ms (typical)
• Active-low push-pull output
• Wide operating temperature range: -40°C to +85°C

Package and Quantity

The MIC6315-46D3U TR comes in a SOT-23-3 package. It is available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 1.2V to 5.5V
• Reset threshold voltage: 4.6V
• Reset timeout period: 140ms (typical)
• Output drive capability: ±10mA
• Quiescent current: 1.5µA (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

The MIC6315-46D3U TR has three pins arranged as follows:

```

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| | --| VDD |-- --| /RESET|-- --| GND |-- |_______| ```

Pin Descriptions: - VDD: Power supply input pin - /RESET: Active-low reset output pin - GND: Ground reference pin

Functional Features

1. Voltage Monitoring: The MIC6315-46D3U TR continuously monitors the input voltage and provides a reset signal when it falls below the specified threshold.
2. Power-On Reset: It ensures that the reset output remains active for a specific period after power is applied, allowing sufficient time for the system to stabilize.
3. Push-Pull Output: The active-low push-pull output provides a strong and reliable signal to the connected circuitry.
4. Wide Operating Temperature Range: The device can operate reliably in a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption helps in conserving power.
• Small package size allows for space-efficient designs.
• Wide operating temperature range enables usage in extreme conditions.
• Reliable voltage monitoring ensures system stability.

Disadvantages

• Fixed reset threshold voltage may not be suitable for all applications.
• Limited output drive capability may restrict its use in high-current applications.

Working Principles

The MIC6315-46D3U TR operates by comparing the input voltage with the preset threshold voltage. When the input voltage falls below the threshold, the reset output becomes active, indicating a low-voltage condition. The reset output remains active for a specified timeout period after power-on, ensuring proper system initialization. Once the input voltage rises above the threshold, the reset output becomes inactive.

Application Field Plans

The MIC6315-46D3U TR finds applications in various electronic systems where voltage monitoring and control are critical. Some potential application fields include: 1. Battery-powered devices: Ensures safe operation by monitoring battery voltage levels. 2. Microcontroller systems: Provides a reliable reset signal during power-up and voltage fluctuations. 3. Industrial automation: Monitors power supply integrity in control systems to prevent data loss or equipment damage. 4. Automotive electronics: Protects sensitive components from voltage drops and transients.

Alternative Models

1. MAX6315: Similar voltage supervisor with adjustable reset threshold.
2. TPS3808: Offers additional features like manual reset and watchdog timer.
3. ADM6315: Provides a higher reset threshold voltage for specific applications.

These alternative models offer similar functionality but may have different specifications or package options.

In conclusion, the MIC6315-46D3U TR is a voltage supervisor with a fixed reset threshold of 4.6V. It offers reliable voltage monitoring, power-on reset delay, and a push-pull output in a compact SOT-23-3 package. While it has advantages such as low quiescent current and wide operating temperature range, its fixed threshold and limited output drive capability should be considered for specific application requirements.