STM6322RWY6F

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-precision voltage monitoring
• Package: SOT-23-6
• Essence: Ensures reliable system operation by monitoring the power supply voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)
• Power-On Reset Delay Time: 100ms (typical)

Detailed Pin Configuration

The STM6322RWY6F is a six-pin device with the following pin configuration:

1. GND: Ground connection
2. RESET: Active-low reset output
3. VCC: Positive power supply input
4. MR: Manual reset input
5. TH: Threshold voltage selection input
6. NC: No connection

Functional Features

• Voltage Monitoring: The STM6322RWY6F continuously monitors the power supply voltage and asserts the reset signal when it falls below the threshold voltage.
• Manual Reset: The manual reset input (MR) allows for an external reset signal to override the internal monitoring circuitry.
• Threshold Selection: The threshold voltage (TH) pin enables the user to select from multiple threshold options to suit their specific application requirements.
• Power-On Reset Delay: The device provides a fixed delay of 100ms after power-on before asserting the reset signal, allowing sufficient time for the power supply to stabilize.

Advantages and Disadvantages

Advantages: - Low quiescent current ensures minimal power consumption. - Wide supply voltage range allows for compatibility with various systems. - Small package size (SOT-23-6) enables space-saving designs.

Disadvantages: - Limited threshold voltage options may not cater to all voltage monitoring needs. - Lack of adjustable reset delay time may be a limitation in certain applications.

Working Principles

The STM6322RWY6F operates by comparing the power supply voltage with the selected threshold voltage. When the power supply voltage drops below the threshold, the internal circuitry asserts the active-low reset signal. This signal remains asserted until the power supply voltage rises above the threshold or a manual reset signal is applied.

Detailed Application Field Plans

The STM6322RWY6F finds applications in various fields, including but not limited to: 1. Microcontrollers and Microprocessors 2. Embedded Systems 3. Industrial Automation 4. Power Management Systems 5. Battery-Powered Devices

Detailed and Complete Alternative Models

1. MAX6322: Voltage Supervisor IC with similar features and pin configuration.
2. LTC2910: Precision Voltage Monitor with adjustable threshold voltage and programmable reset delay.
3. TPS3808: Ultra-Low Quiescent Current Voltage Supervisor with wide supply voltage range.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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