S-8205BAH-TCT1U

Product Overview

Category

The S-8205BAH-TCT1U belongs to the category of integrated circuits (ICs) and specifically falls under the classification of voltage protection ICs.

Use

This product is primarily used for protecting lithium-ion rechargeable batteries from overcharging, over-discharging, and short-circuiting. It ensures the safe and efficient operation of battery-powered devices.

Characteristics

• Voltage protection: The S-8205BAH-TCT1U offers reliable voltage protection by monitoring the battery voltage and disconnecting it from the load when certain thresholds are exceeded.
• Low power consumption: This IC has low power consumption, making it suitable for portable electronic devices with limited power resources.
• Compact package: The S-8205BAH-TCT1U comes in a small and compact package, allowing for easy integration into various electronic devices.
• High accuracy: It provides precise voltage detection and protection, ensuring the battery operates within safe limits.
• Wide operating temperature range: This IC can operate reliably in a wide temperature range, making it suitable for diverse environments.

Package

The S-8205BAH-TCT1U is available in a surface-mount package (SOT-23-6), which facilitates easy soldering onto printed circuit boards (PCBs).

Essence

The essence of the S-8205BAH-TCT1U lies in its ability to safeguard lithium-ion batteries from potential damage caused by voltage fluctuations, thereby extending their lifespan and enhancing overall device safety.

Packaging/Quantity

This product is typically supplied in reels or tape and reel packaging, with a standard quantity of 3000 units per reel.

Specifications

• Input voltage range: 2.5V - 6.0V
• Overcharge detection voltage: 4.25V ± 0.05V
• Overcharge release voltage: 4.10V ± 0.1V
• Overdischarge detection voltage: 2.55V ± 0.08V
• Overdischarge release voltage: 3.00V ± 0.1V
• Short-circuit detection delay time: 5ms (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The S-8205BAH-TCT1U has six pins arranged as follows:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| BAT OUT |-- Pin 2: Battery Connection (BAT) --| EN FLT |-- Pin 3: Enable Input (EN) --| OV UV |-- Pin 4: Overvoltage and Undervoltage Detection (OV, UV) --| SC NC |-- Pin 5: Short-Circuit Detection (SC), No Connection (NC) --| FLT |-- Pin 6: Fault Output (FLT) |___________| ```

Functional Features

1. Overvoltage Protection: The S-8205BAH-TCT1U monitors the battery voltage and disconnects it from the load when the voltage exceeds the overcharge detection threshold.
2. Undervoltage Protection: It also safeguards against excessive discharge by disconnecting the battery when the voltage falls below the undervoltage detection threshold.
3. Short-Circuit Protection: This IC detects short-circuits and quickly disconnects the battery to prevent damage to the device or battery itself.
4. Enable Input: The enable input pin allows for manual control of the protection circuit, enabling or disabling its functionality as required.
5. Fault Output: The fault output pin provides a signal indicating the occurrence of a fault condition, such as overvoltage, undervoltage, or short-circuit.

Advantages and Disadvantages

Advantages

• Effective battery protection: The S-8205BAH-TCT1U ensures the safety and longevity of lithium-ion batteries by preventing overcharging, over-discharging, and short-circuits.
• Compact size: Its small package allows for easy integration into space-constrained electronic devices.
• Low power consumption: The IC's low power consumption minimizes energy drain from the battery.
• Wide operating temperature range: It can operate reliably in extreme temperature conditions.
• Precise voltage detection: The IC provides accurate voltage detection, ensuring optimal battery performance.

Disadvantages

• Limited to lithium-ion batteries: The S-8205BAH-TCT1U is specifically designed for use with lithium-ion rechargeable batteries and may not be compatible with other battery chemistries.

Working Principles

The S-8205BAH-TCT1U operates based on a combination of voltage monitoring and control circuitry. It continuously measures the battery voltage and compares it against predetermined thresholds. When an