S-8254AAZFT-TB-G

Product Overview

Category

The S-8254AAZFT-TB-G belongs to the category of integrated circuits (ICs) and specifically falls under the battery protection ICs.

Use

This product is primarily used for protecting rechargeable lithium-ion batteries from overcharging, over-discharging, and overcurrent conditions. It ensures the safe and efficient operation of batteries in various electronic devices.

Characteristics

• Battery protection: The S-8254AAZFT-TB-G provides comprehensive protection for lithium-ion batteries, safeguarding them against potential damage.
• High accuracy: This IC offers precise voltage detection and control, ensuring optimal battery performance.
• Low power consumption: The S-8254AAZFT-TB-G minimizes energy consumption, maximizing battery life.
• Compact package: The IC comes in a small form factor, making it suitable for space-constrained applications.
• Enhanced safety features: It incorporates various safety mechanisms to prevent hazardous situations, such as short circuits and thermal runaway.

Package and Quantity

The S-8254AAZFT-TB-G is available in a thin and compact surface-mount TSSOP-16 package. Each package contains one IC.

Specifications

• Input voltage range: 2.5V - 6.0V
• Overcharge detection voltage: 3.9V ± 25mV
• Overcharge release voltage: 3.7V ± 75mV
• Overdischarge detection voltage: 2.3V ± 100mV
• Overdischarge release voltage: 2.9V ± 100mV
• Overcurrent detection voltage: 0.1V ± 20mV
• Overcurrent release voltage: 0.15V ± 50mV
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The S-8254AAZFT-TB-G has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VCC
2. GND
3. CHG
4. DSG
5. BAT
6. OVP
7. OCP
8. UVLO
9. CE
10. COUT
11. CIN
12. VSS
13. VDD
14. N.C.
15. N.C.
16. N.C.

Functional Features

• Overcharge protection: Monitors the battery voltage and prevents it from exceeding safe levels during charging.
• Overdischarge protection: Detects low battery voltage and cuts off the discharge to prevent damage.
• Overcurrent protection: Safeguards against excessive current flow, preventing potential hazards.
• Undervoltage lockout (UVLO): Ensures that the IC operates within the specified voltage range.
• Charge and discharge control: Regulates the charging and discharging processes for optimal battery performance.

Advantages and Disadvantages

Advantages

• Comprehensive battery protection
• High accuracy voltage detection
• Low power consumption
• Compact package size
• Enhanced safety features

Disadvantages

• Limited to lithium-ion battery protection only
• Requires proper circuit design and integration

Working Principles

The S-8254AAZFT-TB-G operates by continuously monitoring the battery voltage and comparing it with predefined thresholds. When any abnormal condition such as overcharge, overdischarge, or overcurrent is detected, the IC takes appropriate actions to protect the battery. It achieves this through the control of charge and discharge paths, ensuring the battery operates within safe limits.

Detailed Application Field Plans

The S-8254AAZFT-TB-G finds applications in various electronic devices powered by lithium-ion batteries, including: - Smartphones and tablets - Laptops and notebooks - Portable gaming consoles - Digital cameras - Power banks

Detailed and Complete Alternative Models

1. S-8254AABFT-TB-G: Similar to the S-8254AAZFT-TB-G, but with a different package (SSOP-B16).
2. S-8254AACFT-TB-G: Offers additional features such as temperature monitoring and protection.
3. S-8254AADFT-TB-G: Designed for higher voltage applications (up to 12V).

These alternative models provide similar battery protection functionality but may differ in package type, additional features, or voltage compatibility.

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