The Qualcomm SMB340ET-1813Y is a highly integrated battery charging solution designed for a variety of portable electronic devices. This integrated circuit (IC) manages the charging process efficiently and safely, ensuring optimal battery performance and longevity. It is part of Qualcomm's portfolio of power management solutions, known for their reliability and efficiency in mobile applications.

Applications

• Smartphones
• Tablets
• Portable gaming consoles
• Wearable devices (smartwatches, fitness trackers)
• Portable media players

Features

• High-efficiency switching mode charging
• Programmable charging parameters (voltage, current)
• Over-voltage protection
• Over-current protection
• Over-temperature protection
• Short circuit protection
• Battery temperature sensing
• Dynamic Power Management (DPM)
• Input current limiting
• Low quiescent current

Benefits

• Fast Charging: Enables rapid battery charging, reducing downtime and improving user experience.
• Enhanced Battery Life: Optimizes charging cycles to prolong the overall lifespan of the battery.
• Comprehensive Protection: Safeguards the battery and device from damage due to voltage, current, and temperature fluctuations.
• Efficient Power Conversion: Minimizes power loss during charging, improving energy efficiency.
• Compact Solution: Integrates multiple functions into a single chip, saving board space and reducing component count.
• Thermal Management: Efficient thermal dissipation ensuring stable performance even under heavy charging loads.

Additional Details

The SMB340ET-1813Y utilizes a switching mode architecture to achieve high charging efficiency. It supports various charging protocols and can be configured to meet specific battery requirements. The IC includes advanced protection features to prevent damage to the battery and the device. The battery temperature sensing capability ensures safe charging within the specified temperature range. It is typically packaged in a small form factor, surface-mount package for easy integration into portable devices. Its dynamic power management capabilities optimize charging performance based on available input power, preventing overload and ensuring stable operation. The input current limiting feature protects the charging source from being overloaded by the device. The low quiescent current minimizes battery drain when the device is not charging.