S-80851CNPF-B9CTFG

Product Overview

Category

S-80851CNPF-B9CTFG belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage detection range: 0.8V to 6.0V
• Accuracy: ±2%
• Low supply current: 1.0μA (typ.)
• Reset output type: N-channel open drain
• Operating temperature range: -40°C to +85°C

Package

The S-80851CNPF-B9CTFG IC is available in a small surface-mount package, specifically the SOT-23-5 package.

Essence

The essence of this product lies in its ability to accurately detect voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic devices.

Packaging/Quantity

The S-80851CNPF-B9CTFG IC is typically packaged in reels, with 3,000 units per reel.

Specifications

• Supply voltage range: 1.0V to 6.5V
• Quiescent current: 1.0μA (max)
• Output leakage current: 1.0μA (max)
• Threshold voltage options: 2.0V, 2.3V, 2.7V, 3.0V, 3.1V, 4.0V, 4.3V, 4.5V, 4.6V, 5.0V, 5.5V
• Delay time: 50ms (typ) at VDD = 1.0V, 10ms (typ) at VDD = 2.0V

Detailed Pin Configuration

The S-80851CNPF-B9CTFG IC has the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground reference
3. RESET: Reset output
4. TH: Threshold voltage selection pin
5. NC: No connection

Functional Features

• Voltage detection: The IC accurately detects the applied voltage within the specified range.
• Reset function: When the detected voltage falls below the threshold, the IC provides a reset signal to the connected device.
• Low power consumption: The IC operates with low quiescent current, minimizing power consumption in the system.

Advantages and Disadvantages

Advantages

• Wide voltage detection range allows for versatile applications.
• Accurate voltage detection ensures reliable operation of electronic devices.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited threshold voltage options may not cater to all specific requirements.
• Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The S-80851CNPF-B9CTFG IC works based on a voltage divider network and a comparator circuit. The applied voltage is divided and compared against the selected threshold voltage. When the voltage falls below the threshold, the comparator triggers the reset output, providing a signal to reset the connected device.

Detailed Application Field Plans

The S-80851CNPF-B9CTFG IC finds application in various electronic devices where voltage monitoring and reset functions are crucial. Some common application fields include:

1. Microcontrollers: Ensuring proper initialization and reset during power-up or brownout conditions.
2. Battery-powered devices: Preventing damage due to undervoltage conditions and enabling safe shutdown.
3. Power management systems: Monitoring voltage levels to optimize power usage and protect sensitive components.

Detailed and Complete Alternative Models

1. S-80850CNPF-B9CTFG: Similar to S-80851CNPF-B9CTFG, but with a different threshold voltage range.
2. S-80852CNPF-B9CTFG: Offers additional hysteresis for improved noise immunity.
3. S-80853CNPF-B9CTFG: Provides adjustable threshold voltage options through an external resistor.

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

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