S-80845CNY-Z2-U

Product Overview

Category

S-80845CNY-Z2-U belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for voltage detection and reset functions in electronic devices.

Characteristics

• Voltage detection range: 0.8V to 10.0V
• Accuracy: ±1.5%
• Low supply current: 1.0μA (typ.)
• Operating temperature range: -40°C to +85°C
• Output type: N-channel open drain
• Power supply voltage range: 1.0V to 10.0V

Package

The S-80845CNY-Z2-U is available in a small surface-mount package, specifically the SOT-23-5 package.

Essence

This IC serves as a reliable voltage detection and reset solution, ensuring proper functioning of electronic devices by monitoring the power supply voltage.

Packaging/Quantity

The S-80845CNY-Z2-U is typically packaged in reels, with 3,000 units per reel.

Specifications

• Supply voltage range: 1.0V to 10.0V
• Detection voltage accuracy: ±1.5%
• Quiescent current: 1.0μA (typ.)
• Output voltage: VOUT = 0.1V (max.)
• Operating temperature range: -40°C to +85°C
• Lead-free and RoHS compliant

Detailed Pin Configuration

The S-80845CNY-Z2-U has a total of five pins arranged as follows:

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Pin 1: GND (Ground) Pin 2: VDD (Power Supply) Pin 3: RESET (Output) Pin 4: VIN (Voltage Input) Pin 5: NC (No Connection)

Functional Features

1. Voltage Detection: The IC continuously monitors the input voltage and provides a reset signal when it falls below a certain threshold.
2. Reset Function: When the input voltage drops below the detection threshold, the RESET pin is pulled low, indicating the need for a system reset.
3. Low Power Consumption: With a quiescent current of only 1.0μA, this IC minimizes power consumption in battery-powered applications.
4. Wide Operating Temperature Range: The S-80845CNY-Z2-U can operate reliably in a wide temperature range from -40°C to +85°C.

Advantages and Disadvantages

Advantages

• Accurate voltage detection with ±1.5% accuracy
• Low power consumption prolongs battery life
• Small package size allows for space-saving designs
• Wide operating temperature range ensures versatility

Disadvantages

• Limited voltage detection range (0.8V to 10.0V)
• Output type is limited to N-channel open drain configuration

Working Principles

The S-80845CNY-Z2-U operates based on a voltage divider network connected to the VIN pin. When the input voltage exceeds the detection threshold, the RESET pin remains high. However, if the voltage drops below the threshold, the RESET pin is pulled low, indicating the need for a system reset. This functionality is achieved through an internal comparator circuit.

Detailed Application Field Plans

The S-80845CNY-Z2-U finds applications in various electronic devices that require reliable voltage monitoring and reset functions. Some potential application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low power consumption and accurate voltage detection provided by this IC.
2. Industrial Control Systems: The IC can be used in industrial control systems to monitor power supply voltages and trigger system resets when necessary.
3. Automotive Electronics: In automotive applications, the S-80845CNY-Z2-U can ensure stable operation by monitoring voltage levels and initiating resets if needed.
4. Home Automation: Smart home devices often require voltage detection and reset functions to maintain proper functionality, making this IC suitable for such applications.

Detailed and Complete Alternative Models

1. S-80845CNY-B-Z2-T: Similar to S-80845CNY-Z2-U, but with a different package (SOT-23-5).
2. S-80845CNY-Z2-T1: Another variant with the same features but a different package (SOT-23-5).

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific design requirements.

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