S-80845CNUA-B86T2U

Product Overview

Category

S-80845CNUA-B86T2U 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: 1.6V to 6.0V
• Low supply current: 1.0µA (typical)
• High accuracy voltage detection: ±2%
• Built-in delay circuit: 200ms (typical)
• Small package size: SOT-89-5

Package and Quantity

The S-80845CNUA-B86T2U is packaged in a SOT-89-5 package. Each package contains one IC.

Essence

The essence of this product lies in its ability to accurately detect voltage levels and provide a reset signal when the voltage falls below a certain threshold.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active low
• Quiescent Current: 1.0µA (typical)
• Accuracy: ±2%
• Delay Time: 200ms (typical)

Detailed Pin Configuration

The S-80845CNUA-B86T2U has a total of five pins:

1. VDD: Power supply input
2. GND: Ground reference
3. RESET: Active low reset output
4. SENSE: Voltage detection pin
5. NC: No connection (unused pin)

Functional Features

• Accurate voltage detection: The IC can detect voltage levels within the specified range with high precision.
• Reset function: When the voltage falls below the detection threshold, the IC provides an active low reset signal.
• Low power consumption: The IC operates with a low quiescent current, making it suitable for battery-powered devices.
• Built-in delay circuit: The IC includes a delay circuit to ensure stable operation and prevent false resets.

Advantages and Disadvantages

Advantages

• High accuracy voltage detection ensures reliable operation.
• Low power consumption prolongs battery life in portable devices.
• Small package size allows for space-efficient designs.
• Built-in delay circuit prevents false resets.

Disadvantages

• Limited voltage detection range (1.6V to 6.0V).
• Active low reset output may not be compatible with all systems.

Working Principles

The S-80845CNUA-B86T2U works by continuously monitoring the voltage level at the SENSE pin. When the voltage falls below the detection threshold, the IC triggers the active low reset output, indicating a power failure or low voltage condition. The built-in delay circuit ensures that the reset signal remains active for a specified period, allowing the system to stabilize before resuming normal operation.

Detailed Application Field Plans

The S-80845CNUA-B86T2U is widely used in various electronic devices where accurate voltage detection and reset functions are required. Some common application fields include:

1. Battery-powered devices: This IC helps monitor battery voltage levels and initiate a reset when the battery voltage drops below a certain threshold.
2. Microcontroller systems: It provides a reliable reset signal to microcontrollers during power-up or voltage fluctuations, ensuring proper initialization.
3. Industrial automation: The IC can be used in control systems to detect power failures and trigger appropriate actions, such as emergency shutdowns or system reboots.
4. Automotive electronics: It plays a crucial role in automotive applications, such as detecting low battery voltage and initiating safety measures or warning signals.

Detailed and Complete Alternative Models

1. S-80845CNUA-B86T2G: Similar to S-80845CNUA-B86T2U, but with a different package (SOT-23-5).
2. S-80845CNUA-B86T2H: Higher accuracy version with ±1% voltage detection accuracy.
3. S-80845CNUA-B86T2R: Reset output is active high instead of active low.

These alternative models offer similar functionality but may differ in package size, accuracy, or reset output polarity.

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