Product Overview: Texas Instruments BQ24190RGER

The Texas Instruments BQ24190RGER is a highly integrated and efficient solution for power management, specifically designed for portable devices. This advanced battery charging controller and system power path management device is tailored for space-limited, smart, and efficient charging applications.

Key Features

• Charge Voltage Regulation: Provides precise control over the charging process with a regulation voltage up to 4.44V, ensuring the battery is charged safely and efficiently.
• Charge Current Programming: Offers programmable charge current up to 4.5A, allowing for flexible adaptation to different battery sizes and faster charging times.
• High-Efficiency Power Path Management: Optimizes the power usage by allowing the system to be powered directly from the input source while simultaneously charging the battery.
• Intelligent Power Management: Features Input Current Limit (IINDPM) and Input Voltage Limit (VINDPM) to prevent overloading the input power source.
• Multi-Chemistry Support: Compatible with a variety of battery chemistries, including Li-Ion, Li-Polymer, and LiFePO4, providing versatility for different application requirements.
• Thermal Regulation: Protects against overheating by reducing charge current during high temperature conditions.
• Safety Features: Includes battery temperature monitoring, overvoltage, and charging safety timers for comprehensive protection.
• Integrated ADC: Features an analog-to-digital converter for monitoring system parameters such as battery voltage, input voltage, and charge current.

Applications

The BQ24190RGER is ideal for a range of portable devices where efficient charging and power management are crucial. These include smartphones, tablets, power banks, and other USB-powered gadgets. Its compact QFN package makes it suitable for space-constrained applications, while its advanced features ensure a safe and fast charging experience for end-users.

Technical Specifications

Package: VQFN-24
Operating Temperature: -40°C to +85°C
Input Voltage Range: 3.9V to 17V
Charge Efficiency: Up to 92%
Communication Interface: I2C for charge parameter configuration and status reporting