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BQ27427YZFR
+StücklisteSINGLE-CELL BATTERY FUEL GAUGE W
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HerstellerTexas Instruments
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Herstellerteil #BQ27427YZFR
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Datenblatt BQ27427YZFR DataSheet
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Auf Lager28294
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Series | Impedance Track™ |
| PartStatus | Active |
| Function | Fuel Gauge |
| BatteryChemistry | Lithium Ion |
| NumberofCells | 1 |
| FaultProtection | Under Voltage |
| Interface | I2C |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 9-UFBGA, DSBGA |
| SupplierDevicePackage | 9-DSBGA |
Übersicht
Description
The BQ27427YZFR supports a variety of lithium-based battery chemistries and can operate with single-cell battery packs. It also features a reduced form factor, making it suitable for compact applications. Key functionalities include monitoring of battery voltage, current, and temperature, and it delivers information on remaining capacity, full charge capacity, and time-to-empty.
Communication with the host system occurs via an I2C-compatible interface, allowing easy integration into microcontroller-based systems. This IC is often used in smartphones, tablets, and wearable devices, providing reliable power management and extended battery life through accurate gauging and efficient battery utilization.
Equivalent
1. Maxim Integrated MAX17055: A compact fuel gauge with ModelGauge m5 EZ algorithm.
2. STMicroelectronics STC3100: A battery monitor IC with coulomb counter.
3. NXP PCF85163: A battery management IC with similar features.
4. Microchip MCP73871: A solar battery charger with integrated fuel gauge.
These alternatives may vary in specific features and should be evaluated based on your application's requirements.
Features
1. Accurate Fuel Gauging: It employs Impedance Track™ technology to provide precise battery state-of-charge (SoC) readings without requiring battery learning cycles or training.
2. Compatibility: Supports single-cell Li-Ion and Li-Polymer batteries, making it versatile for various portable applications.
3. Integration: Offers an integrated sense resistor and requires minimal external components, simplifying design and reducing PCB space.
4. Low Power Consumption: Designed for low power consumption, it helps extend battery life by minimizing the operational power draw when monitoring the battery status.
5. Battery Health Monitoring: Provides data related to battery voltage, current, temperature, and capacity, enabling effective battery management and health monitoring.
6. Communication Interface: Utilizes I²C communication for easy integration into existing systems.
7. Small Package: Available in a small 9-ball DSBGA package, ideal for space-constrained applications.
These features make the BQ27427YZFR suitable for applications in smartphones, tablets, and other portable consumer electronics where efficient battery management is crucial.
Pinout
1. VCC: Supply voltage pin.
2. GND: Ground connection.
3. SDA: I²C data line for communication.
4. SCL: I²C clock line for communication.
5. BIN: Battery insertion detection pin.
6. BAT: Battery voltage sense input.
7. NC: No internal connection; may be used for mechanical stability.
8. NC: No internal connection; may be used for mechanical stability.
9. NC: No internal connection; may be used for mechanical stability.
The BQ27427YZFR’s primary function is to provide accurate battery monitoring by measuring parameters like voltage, temperature, and current, and then calculating the state of charge, state of health, and remaining run time. This information is crucial for battery-powered devices to optimize performance and extend battery life.