STM6824RWY6F

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power management
• Characteristics: High efficiency, low power consumption
• Package: Small outline transistor (SOT-23-6)
• Essence: Voltage supervisor and reset generator
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Supply voltage range: 1.8V to 5.5V
• Operating temperature range: -40°C to +85°C
• Reset threshold voltage options: 2.63V, 3.08V, 3.30V, 4.38V
• Reset timeout period options: 140ms, 560ms, 1120ms, 2240ms
• Quiescent current: 1.5µA (typical)

Detailed Pin Configuration

The STM6824RWY6F IC has a total of six pins arranged as follows:

____ VDD | | GND RST | | MR VOUT| | N/C ----

• VDD: Power supply input pin
• GND: Ground reference pin
• RST: Active-low reset output pin
• MR: Manual reset input pin
• VOUT: Power supply monitor output pin
• N/C: No connection pin

Functional Features

1. Voltage Supervision: The STM6824RWY6F monitors the supply voltage and generates a reset signal when it falls below a specified threshold.
2. Reset Generation: The active-low reset output is asserted until the supply voltage rises above the threshold for a specified timeout period.
3. Manual Reset: The manual reset input allows an external signal to force a reset condition.
4. Power Supply Monitoring: The power supply monitor output provides a voltage reference for monitoring the supply voltage externally.

Advantages and Disadvantages

Advantages: - High efficiency power management solution - Low power consumption - Small package size allows for space-constrained applications - Wide operating temperature range

Disadvantages: - Limited reset threshold and timeout period options - Manual reset input may require additional external circuitry for proper functionality

Working Principles

The STM6824RWY6F operates by continuously monitoring the supply voltage using an internal voltage comparator. When the voltage falls below the programmed threshold, the reset output is asserted low. The reset signal remains active until the voltage rises above the threshold for the specified timeout period. The manual reset input can also force the reset condition when activated.

Detailed Application Field Plans

The STM6824RWY6F is commonly used in various applications where reliable power management and system reset functionality are required. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and safe operation of microcontroller-based systems.
2. Embedded Systems: Providing voltage supervision and reset generation for embedded systems to prevent erratic behavior during power fluctuations.
3. Industrial Control Systems: Safeguarding critical industrial control systems by monitoring power supply integrity and initiating system resets if necessary.
4. Battery-Powered Devices: Extending battery life by efficiently managing power consumption and ensuring proper system startup after power loss.

Detailed and Complete Alternative Models

1. STM6825RWY6F: Similar to STM6824RWY6F but with additional features such as adjustable reset threshold and watchdog timer functionality.
2. MAX6824RWY6F: Equivalent IC from Maxim Integrated offering similar voltage supervisor and reset generator capabilities.
3. TPS3839RWY6F: Texas Instruments' alternative with extended operating temperature range and adjustable reset timeout period.

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