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BQ25898DYFFR
+NomenclatureIC BATT CHG LI-ION 1CELL 42DSBGA
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FabricantTexas Instruments
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Pièce fabricant #BQ25898DYFFR
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Package DSBGA (YFF)-42
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En stock1897
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR) |
| Series | MaxCharge™ |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| FaultProtection | Over Current, Over Temperature |
| ChargeCurrent-Max | 4A |
| Voltage-Supply(Max) | 14V |
| Interface | I²C, USB |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 42-UFBGA, DSBGA |
Présentation
Description
The BQ25898DYFFR integrates a converter with power path management, which allows the device to simultaneously power the system and charge the battery. This feature ensures that the system load is powered even when the battery is deeply discharged or absent.
The device supports various charging protocols, including USB BC1.2, HVDCP, and other popular fast-charging standards. It also offers flexible I2C control for configuration and status monitoring, including features like programmable input current limit, charge current, and charge voltage.
Protection features include over-voltage, over-current, and thermal regulation, ensuring safe operation. The compact QFN package makes it ideal for space-constrained applications in mobile and portable devices.
Equivalent
1. BQ25898D - Another variant in the same series with similar specs.
2. BQ25895 - Similar charger IC from Texas Instruments.
3. BQ25703A - A multi-cell battery charger from Texas Instruments.
4. NCP1855 - A comparable charging solution from ON Semiconductor.
5. ISL9238 - A similar power-path charger from Renesas.
Ensure compatibility based on specific application requirements before replacing.
Features
1. High Input Voltage Range: It supports input voltages up to 14V, suitable for a wide variety of power sources.
2. Fast Charging: Capable of delivering up to 4.5A charge current to the battery, making it ideal for quick charging applications.
3. I2C Interface: Provides a flexible software control interface for configuring parameters and monitoring status.
4. High-Efficiency Switch-Mode Design: Utilizes a switch-mode architecture for efficient power conversion, reducing heat generation and improving battery life.
5. USB On-the-Go (OTG) Support: Capable of delivering 5V to the USB port for OTG functionality.
6. Power Path Management: Ensures system power is maintained with a seamless transition between power sources.
7. Safety Features: Includes protection mechanisms like over-voltage protection (OVP), over-current protection (OCP), and thermal regulation.
8. JEITA Compliance: Supports battery temperature monitoring to comply with JEITA standards.
These features make the BQ25898DYFFR suitable for smartphones, tablets, and other portable electronics requiring fast and efficient battery charging.
Pinout
Key functions of the BQ25898DYFFR include:
1. Charging: Offers high-efficiency charging with integrated power path management.
2. Battery Management: Supports various battery chemistries and includes features like battery temperature monitoring and over-voltage protection.
3. USB Compatibility: Detects input source type (like USB or adapter) and adjusts charging parameters accordingly.
4. I2C Interface: Allows communication for status monitoring and control.
5. OTG Support: Can provide power from the battery to other devices through USB OTG functionality.
6. Safety Features: Includes thermal regulation, short-circuit, and over-current protection.
This IC is suitable for applications requiring efficient battery management, such as smartphones, tablets, and portable devices.
Manufacturer
Application
1. Smartphones and Tablets: Efficiently manages and charges lithium-ion and lithium-polymer batteries.
2. Wearable Devices: Supports compact designs by integrating multiple charging functions.
3. Power Banks: Provides fast charging capabilities and power path management.
4. Portable Electronics: Ensures reliable power management in cameras, portable speakers, and other devices.
5. Internet of Things (IoT) Devices: Optimizes power consumption and prolongs battery life.
These applications benefit from its high-efficiency charging, reduced heat generation, and flexible input current options.