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BQ24157YFFR
+Lista de MateriaisIC BATT CHG LI-ION 1CELL 20DSBGA
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FabricanteTexas Instruments
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Peça do Fabricante #BQ24157YFFR
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Pacote DSBGA (YFF)-20
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current |
| FaultProtection | Over Temperature, Over Voltage |
| ChargeCurrent-Max | 1.55A |
| BatteryPackVoltage | 4.44V (Max) |
| Voltage-Supply(Max) | 6V |
| Interface | I²C |
| OperatingTemperature | -30°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-UFBGA, DSBGA |
Visão Geral
Description
The BQ24157YFFR incorporates a synchronous switch-mode power supply to reduce heat and increase charging efficiency. It also offers programmable charge current, voltage regulation, and thermal regulation to protect the battery. Safety features include input over-voltage protection, battery temperature monitoring, and charge termination.
This charger IC uses a I²C interface for communication and configuration, offering flexibility and control over the charging process. With its compact wafer-level chip-scale package (YFF), it is ideal for space-constrained applications such as smartphones, tablets, and other portable electronics. The BQ24157YFFR ensures reliability and enhanced user experience by extending battery life and reducing charge time.
Equivalent
1. Microchip MCP73831
2. Linear Technology (Analog Devices) LTC4054
3. Maxim Integrated (Analog Devices) MAX1811
4. STMicroelectronics STC4054
5. ON Semiconductor NCP1835
These alternatives provide similar functionalities like programmable charge current, preconditioning, and safety timers, though specific features and performance may vary. Always check the datasheets to ensure compatibility with your application's requirements.
Features
1. Switch-Mode Charger: It supports a high-efficiency switch-mode power path for quick charging.
2. Input Voltage Range: Operates from an input voltage range of 3.9V to 6.2V, with over-voltage protection up to 20V.
3. Charge Current: Programmable charging current up to 1.5A.
4. Battery Management: Supports single-cell Li-ion or Li-polymer batteries, ensuring safe and reliable charging.
5. Protection Features: Includes thermal regulation, safety timers, and various protection features like battery temperature monitoring.
6. I2C Interface: Allows for communication and customization of settings via an I2C interface.
7. Small Footprint: Available in a compact, 3mm x 3mm 25-ball WCSP package.
These features make the BQ24157YFFR suitable for portable and space-constrained applications, offering flexibility and robust battery management capabilities.
Pinout
Key features include:
1. High-efficiency battery charging.
2. Dynamic Power Path Management (DPPM) to ensure continuous system operation even when the battery is depleted.
3. USB-friendly with input current limiting for adaptable power sources.
4. Battery temperature monitoring for safe charging.
5. Programmable charge current and voltage to suit different battery specifications.
6. Support for supplement mode to power the system in case of insufficient input.
This device is suitable for portable applications where space is limited, but effective battery management is crucial. Always refer to the official datasheet for detailed pin configuration and other specifications.
Manufacturer
Application
1. Smartphones and Tablets: Efficient charging for mobile devices.
2. Wearable Devices: Compact design suits space-constrained applications.
3. Portable Media Players: Reliable power management for continuous use.
4. Digital Cameras and Camcorders: Ensures quick and efficient charging.
5. Bluetooth Devices: Supports various wireless accessories.
6. Power Banks: Useful in portable charging solutions.
7. Handheld Devices: Suitable for a range of small electronic devices requiring efficient battery management.
These applications benefit from its high performance, small form factor, and integrated power path management.