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BQ24297RGER
+StücklisteIC BATT CHG LI-ION 1CELL 24VQFN
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HerstellerTexas Instruments
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Herstellerteil #BQ24297RGER
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Paket VQFN-24
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Auf Lager5702
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| Current-Charging | Constant - Programmable |
| FaultProtection | Over Current, Over Temperature, Over Voltage |
| ChargeCurrent-Max | 3A |
| BatteryPackVoltage | 4.2V |
| Voltage-Supply(Max) | 6.2V |
| Interface | I²C |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 24-VFQFN Exposed Pad |
Übersicht
Description
Key features include dynamic power path management (DPPM), which allows simultaneous charging and system power, ensuring the system is powered even with a depleted battery. The BQ24297RGER provides integrated protection features such as battery overvoltage, undervoltage, overcurrent, and thermal regulation, enhancing safety and reliability. It also supports battery detection and automatic recharge, optimizing charge cycles.
The device can be controlled via an I2C interface, enabling flexible configuration and real-time monitoring. This makes it suitable for applications like smartphones, tablets, and other consumer electronics requiring efficient power management in a compact package.
Equivalent
1. Microchip MCP73831: A linear Li-Ion battery charger.
2. Linear Technology (Analog Devices) LTC4054: A standalone linear Li-Ion charger.
3. Maxim Integrated MAX8900: A linear battery charger with power-path management.
4. Richtek RT9458: A linear Li-Ion battery charger with similar characteristics.
These alternatives vary in features, so it’s essential to check specifications to ensure compatibility with your design.
Features
1. Input Voltage Range: Supports 4.5V to 17V with input over-voltage protection.
2. Battery Charging: Provides a 3A charge current and supports 1-cell Li-Ion or Li-Polymer batteries.
3. Power Path Management: Allows simultaneous charging of the battery and powering of the system.
4. I2C Interface: Enables communication with the device for configuration and status monitoring.
5. High Efficiency: Features synchronous operation for high efficiency and low heat generation.
6. Safety Features: Includes battery temperature sensing, thermal regulation, and protection against over-voltage, over-current, and short circuits.
7. Automatic Power Source Selection: Seamlessly transitions between input power and battery power.
8. Low Battery Leakage: Reduces power consumption when the system is off.
These features make the BQ24297RGER suitable for portable and wearable devices that require efficient and reliable power management.
Pinout
Key functions of the BQ24297RGER include:
1. Battery Charging: Supports charging of single-cell Li-Ion and Li-Polymer batteries.
2. Power Path Management: Ensures seamless transition between power sources and battery.
3. Input Source Detection: Automatically recognizes and configures USB or AC adapter inputs.
4. Safety Features: Includes over-voltage, over-current, and thermal protections.
5. I2C Interface: Allows for communication with a host controller for configuration and status monitoring.
6. Supplement Mode: Supports system load even when input power is insufficient by using battery power.
This IC is suitable for applications that require additional flexibility and control over battery management, with a focus on high efficiency and safety.
Manufacturer
Texas Instruments is one of the largest semiconductor companies in the world and serves a diverse set of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. With a strong emphasis on research and development, TI continues to drive advancements in technology that enable smarter and more efficient electronics.
Application
1. Smartphones and Tablets: Efficiently manages battery charging and power supply.
2. Wearable Devices: Supports compact design and efficient power management for longer battery life.
3. Portable Consumer Electronics: Ensures safety and efficiency in devices like cameras and handheld gaming consoles.
4. Bluetooth and IoT Devices: Provides reliable power management in low-power wireless devices.
5. Power Banks: Enhances charging efficiency and battery life in portable chargers.
These applications benefit from the device's ability to support high-efficiency charging, dynamic power path management, and USB connectivity.