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The BQ2013 is a battery gas gauge IC manufactured by Texas Instruments (TI).

Specifications:

• Function: Monitors battery capacity and provides accurate state-of-charge (SOC) information.
• Interface: Serial communication (HDQ protocol).
• Voltage Range: Typically used in 3.6V to 4.5V battery systems.
• Accuracy: High-precision coulomb counting for accurate SOC measurement.
• Temperature Monitoring: Includes temperature sensing for battery safety.
• Memory: Non-volatile storage for calibration and configuration data.
• Package: Typically available in SOIC-8 or similar small form factor.

Descriptions:

The BQ2013 is designed for single-cell Li-ion or NiMH battery packs, providing real-time battery capacity and voltage data to host systems. It uses coulomb counting for precise charge tracking and compensates for temperature and discharge rate variations.

Features:

• Coulomb Counter: Measures charge/discharge current for accurate SOC.
• Low Power Consumption: Optimized for battery-powered applications.
• HDQ Serial Interface: Single-wire communication with host systems.
• Self-Discharge Compensation: Adjusts SOC based on battery idle time.
• Programmable Alerts: Low-battery warning and other configurable thresholds.
• Non-Volatile Storage: Retains calibration data when powered off.

This IC is commonly used in portable electronics, power tools, and medical devices requiring precise battery monitoring.

For exact datasheet details, refer to Texas Instruments' official documentation.