The S-8244AAYPH-CEY is a high-precision voltage detector IC manufactured by SII Semiconductor Corporation, designed for the protection of lithium-ion and lithium polymer batteries. This IC monitors the voltage levels of the battery and provides overcharge, overdischarge, and overcurrent protection to ensure safe and reliable operation. Its low current consumption and compact size make it ideal for portable devices.

Applications:

• Lithium-ion battery packs
• Lithium-polymer battery packs
• Smartphones
• Tablets
• Wearable devices (smartwatches, fitness trackers)
• Portable media players
• Power banks
• Wireless headphones

Features:

• High-accuracy voltage detection: Provides precise overcharge and overdischarge protection.
• Low current consumption: Minimizes battery drain and extends battery life.
• Overcharge protection: Prevents damage to the battery from excessive charging voltage.
• Overdischarge protection: Prevents damage to the battery from excessive discharging.
• Overcurrent protection: Limits the discharge current to prevent overheating and damage.
• Short-circuit protection: Quickly shuts down the battery in the event of a short circuit.
• Small package size: Allows for compact and lightweight designs.

Benefits:

• Enhanced battery safety: Prevents battery damage and reduces the risk of fire or explosion.
• Extended battery life: Optimizes battery usage and prevents premature degradation.
• Improved system reliability: Protects the connected device from damage due to battery faults.
• Compact design: Enables smaller and lighter portable devices.
• Low power consumption: Extends the operating time of battery-powered devices.

Additional Details:

The S-8244AAYPH-CEY integrates a delay circuit to prevent false triggering of protection functions due to transient voltage spikes or current surges. The specific voltage detection thresholds are pre-set to match the characteristics of lithium-ion batteries. It also includes a charge-discharge control function. The device is typically housed in a small DFN package for space efficiency. The S-8244 series adheres to RoHS standards.