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BQ25890RTWR
+Lista de MateriaisIC BATT CHG LI-ION 1CELL 24WQFN
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FabricanteTexas Instruments
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Peça do Fabricante #BQ25890RTWR
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Pacote WQFN-24
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Em Estoque5884
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | MaxCharge™ |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| FaultProtection | Over Current, Over Temperature |
| ChargeCurrent-Max | 5A |
| Voltage-Supply(Max) | 14V |
| Interface | I²C, USB |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 24-WFQFN Exposed Pad |
Visão Geral
Description
Key features include a wide input voltage range, automatic power path management, and support for NVDC (narrow voltage DC) power path architecture. It also provides a USB On-the-Go boost mode, which allows for the battery to be used as a power source for external devices. The BQ25890RTWR is equipped with I2C communication for configuring charging parameters and reading status information.
Safety features include input current optimization, battery temperature monitoring, and protection against over-voltage, over-current, and thermal shutdown. This device is suitable for use in various portable devices like smartphones, tablets, and other battery-operated electronics due to its compact WQFN package and efficient power management capabilities.
Equivalent
1. Microchip MCP73833 – Li-Ion/Li-Polymer charge management controller.
2. Linear Technology (Analog Devices) LT3652 – 1A solar-powered battery charger.
3. MAX77301 – Charger with Smart Power Selector.
4. NXP PCA9460 – USB Type-C battery charger.
5. Richtek RT9467 – Single-cell Li-Ion battery charger.
These alternatives provide similar functionality for battery charging applications. Always check specific features and pin compatibility for your application needs.
Features
1. High Efficiency: It supports high-efficiency, switch-mode charging with up to 3A charge current.
2. Wide Input Voltage Range: The device operates with an input voltage range from 3.9V to 14V.
3. Fast Charging: It supports fast charging with adjustable current and voltage settings.
4. I²C Interface: Programmable via I²C for customizable charging parameters, including input current, charge current, and termination current.
5. Thermal Regulation: Built-in thermal regulation prevents overheating by adjusting the charge current dynamically.
6. Safety Features: Includes battery temperature monitoring, over-voltage protection, and short-circuit protection.
7. Integration: Integrates a battery disconnect function, power path management, and a built-in ADC for monitoring.
8. Automatic Power Path Management: Ensures seamless switching between battery and external power sources.
9. JEITA Compliance: Supports JEITA guidelines for optimal charging in varying temperature conditions.
This makes the BQ25890RTWR suitable for portable electronics requiring efficient and safe charging solutions.
Pinout
Key pin functions include:
- VIN: Input power supply
- PMID: Switching node for the internal power FETs
- SYS: System output
- BAT: Battery connection
- SDA/SCL: I2C communication for device configuration and status monitoring
- INT: Interrupt output for status changes
- TS: Battery temperature sensing
- ILIM: Input current limit setting
This device is suitable for applications in smartphones, tablets, and portable electronics where efficient battery charging and power management are crucial.