S-8206AAA-A6T2U

Product Overview

Category

The S-8206AAA-A6T2U belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for battery protection in portable electronic devices such as smartphones, tablets, and laptops. It ensures the safe and efficient operation of the battery by monitoring various parameters and providing necessary protection mechanisms.

Characteristics

• Battery protection: The S-8206AAA-A6T2U offers overcharge, over-discharge, and overcurrent protection for the connected battery.
• Low power consumption: The IC itself consumes minimal power, ensuring efficient utilization of the battery.
• Compact package: It comes in a small form factor package, making it suitable for space-constrained applications.
• High reliability: The IC is designed to provide reliable and consistent performance, ensuring the safety of the battery and the device.

Package and Quantity

The S-8206AAA-A6T2U is available in a surface-mount package (SOT-23-6). Each package contains one IC.

Specifications

• Input voltage range: 2.5V - 6.0V
• Overcharge detection voltage: 4.25V ± 0.05V
• Over-discharge detection voltage: 2.5V ± 0.1V
• Overcurrent detection voltage: 0.15V ± 0.02V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 1µA (typical)

Detailed Pin Configuration

The S-8206AAA-A6T2U has six pins arranged as follows:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| BAT OUT |-- Pin 2: Output (OUT) --| VSS SCD |-- Pin 3: Short-Circuit Detection (SCD) --| OVP OCP |-- Pin 4: Overvoltage Protection (OVP) and Overcurrent Protection (OCP) --| UVLO NCH |-- Pin 5: Undervoltage Lockout (UVLO) and Negative Charge Control (NCH) --| VDD GND |-- Pin 6: Power Supply (VDD) |___________| ```

Functional Features

• Overcharge protection: Monitors the battery voltage and disconnects it from the charging source when it exceeds a safe threshold.
• Over-discharge protection: Prevents the battery voltage from dropping below a critical level, ensuring its longevity.
• Overcurrent protection: Detects excessive current flow and interrupts the circuit to prevent damage to the battery and the device.
• Short-circuit detection: Identifies short circuits in the battery or load and takes appropriate action to safeguard against potential hazards.
• Undervoltage lockout: Disables the output when the battery voltage falls below a specified minimum level, preventing further discharge.

Advantages and Disadvantages

Advantages

• Comprehensive protection: The IC offers multiple protection mechanisms, ensuring the safety of the battery and the device.
• Low power consumption: It minimizes power loss, maximizing the battery life.
• Compact size: The small form factor makes it suitable for space-constrained applications.

Disadvantages

• Limited compatibility: The S-8206AAA-A6T2U may not be compatible with all battery chemistries and voltage ranges.
• Lack of customization: The IC provides fixed protection thresholds and features, limiting adaptability to specific requirements.

Working Principles

The S-8206AAA-A6T2U operates by continuously monitoring the battery voltage and current. It compares these values with predefined thresholds to detect abnormal conditions such as overcharge, over-discharge, overcurrent, and short circuits. When any of these conditions are detected, the IC takes appropriate actions, such as disconnecting the battery or interrupting the circuit, to protect the battery and the device.

Detailed Application Field Plans

The S-8206AAA-A6T2U is widely used in various portable electronic devices, including: 1. Smartphones: Ensures safe charging and discharging of the battery, preventing damage due to overvoltage or overcurrent. 2. Tablets: Protects the battery from over-discharge, prolonging its lifespan and enhancing device reliability. 3. Laptops: Safeguards against short circuits and excessive current flow, preventing potential hazards and system failures.

Detailed and Complete Alternative Models

1. S-8206AAB-A6T2U: Similar to S-8206AAA-A6T2U but with additional features like temperature monitoring and thermal shutdown protection.
2. S-8206AAC-A6T2U: Offers compatibility with a wider range of battery