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S-8254AABFT-TB-G
Product Overview
Category
S-8254AABFT-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 short-circuiting. It ensures the safe and efficient operation of lithium-ion batteries in various electronic devices.
Characteristics
- Battery protection: Prevents overcharging, over-discharging, and short-circuiting.
- High accuracy: Provides precise voltage and current monitoring.
- Low power consumption: Optimizes battery life by minimizing power drain.
- Compact package: Comes in a small form factor suitable for space-constrained applications.
- Enhanced safety features: Incorporates thermal shutdown and reverse current prevention mechanisms.
Package and Quantity
The S-8254AABFT-TB-G is available in a compact surface-mount TDFN package. Each package contains one unit of the IC.
Specifications
- Input voltage range: 2.5V - 6.0V
- Overcharge detection voltage: 3.9V ± 25mV
- Overdischarge detection voltage: 2.3V ± 100mV
- Overcurrent detection voltage: 0.1V ± 20mV
- Operating temperature range: -40°C to +85°C
- Standby current: 0.1µA (typical)
Detailed Pin Configuration
The S-8254AABFT-TB-G has the following pin configuration:
| Pin Name | Function | |----------|----------| | VCC | Power supply input | | GND | Ground | | BAT | Battery connection | | CHG | Charging status output | | DSG | Discharging status output | | OVP | Overvoltage protection output | | OCP | Overcurrent protection output | | COUT | Capacitor connection for noise reduction |
Functional Features
- Overcharge protection: Monitors the battery voltage and disconnects the charging circuit when it exceeds the safe threshold.
- Overdischarge protection: Prevents excessive discharge by cutting off the power supply when the battery voltage drops below a certain level.
- Overcurrent protection: Detects high current flow and interrupts the circuit to avoid damage to the battery or connected devices.
- Charging and discharging status outputs: Provide signals indicating the current state of the battery.
- Overvoltage and overcurrent protection outputs: Trigger external actions, such as activating an alarm or shutting down the system, in case of abnormal conditions.
Advantages
- Reliable battery protection: Ensures the safety and longevity of lithium-ion batteries.
- Compact size: Suitable for space-constrained applications.
- Low power consumption: Maximizes battery life.
- Precise monitoring: Provides accurate voltage and current measurements.
Disadvantages
- Limited compatibility: Designed specifically for lithium-ion batteries and may not be suitable for other battery chemistries.
- Single-channel protection: Only protects a single battery cell, not suitable for multi-cell configurations.
Working Principles
The S-8254AABFT-TB-G operates by continuously monitoring the battery voltage and current. It compares these values with predefined thresholds to detect overcharging, overdischarging, and overcurrent conditions. When any of these conditions are met, the IC triggers the appropriate protection mechanism, such as disconnecting the charging circuit or cutting off the power supply.
Detailed Application Field Plans
The S-8254AABFT-TB-G is widely used in portable electronic devices, including smartphones, tablets, digital cameras, and portable gaming consoles. It finds applications in various industries, such as consumer electronics, automotive, medical devices, and industrial equipment.
Detailed Alternative Models
- S-8254AABFT-TB-G2: Similar to S-8254AABFT-TB-G but with extended temperature range (-40°C to +105°C).
- S-8254AABFT-TB-G3: Enhanced version with additional features like overtemperature protection and battery short-circuit detection.
In conclusion, the S-8254AABFT-TB-G is a compact and reliable battery protection IC designed for lithium-ion batteries. Its precise monitoring, low power consumption, and enhanced safety features make it an ideal choice for various portable electronic devices. However, its compatibility limitations and single-channel protection should be considered when selecting alternative models for specific applications.
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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng S-8254AABFT-TB-G sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of S-8254AABFT-TB-G in technical solutions:
Q: What is the purpose of S-8254AABFT-TB-G in technical solutions? A: S-8254AABFT-TB-G is a voltage detection IC used for battery protection in various electronic devices.
Q: What is the input voltage range supported by S-8254AABFT-TB-G? A: The input voltage range supported by S-8254AABFT-TB-G is typically between 2.5V and 6.0V.
Q: How does S-8254AABFT-TB-G protect batteries? A: S-8254AABFT-TB-G protects batteries by monitoring the voltage levels and disconnecting the load when the voltage falls below a certain threshold.
Q: Can S-8254AABFT-TB-G be used with different types of batteries? A: Yes, S-8254AABFT-TB-G can be used with various types of batteries, including lithium-ion, lithium-polymer, and lithium iron phosphate (LiFePO4) batteries.
Q: What is the maximum discharge current supported by S-8254AABFT-TB-G? A: The maximum discharge current supported by S-8254AABFT-TB-G is typically 100mA.
Q: Does S-8254AABFT-TB-G have overcharge protection? A: Yes, S-8254AABFT-TB-G has built-in overcharge protection to prevent excessive charging of the battery.
Q: Can S-8254AABFT-TB-G be used in portable electronic devices? A: Yes, S-8254AABFT-TB-G is commonly used in portable electronic devices like smartphones, tablets, and wearable devices.
Q: Does S-8254AABFT-TB-G have a low-power consumption mode? A: Yes, S-8254AABFT-TB-G has a low-power consumption mode that helps conserve battery life when the device is in standby or idle mode.
Q: Is S-8254AABFT-TB-G suitable for automotive applications? A: Yes, S-8254AABFT-TB-G is designed to meet the requirements of automotive applications and can be used in vehicles.
Q: Are there any specific safety features in S-8254AABFT-TB-G? A: Yes, S-8254AABFT-TB-G includes various safety features such as overcurrent protection, short-circuit protection, and thermal shutdown to ensure safe operation.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application guidelines provided by the manufacturer.