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BQ25720RSNR
+NomenclatureSMBUS 1- TO 4-CELL NVDC BUCK-BOO
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FabricantTexas Instruments
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Pièce fabricant #BQ25720RSNR
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En stock3598
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Base Product Number | BQ25720 |
| Battery Chemistry | Lead Acid, Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4, NiCd, NiMH, SuperCap |
| Number of Cells | 1 ~ 4 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Voltage |
| Fault Protection | Over Current, Over Temperature |
| Charge Current - Max | 16.256A |
| Battery Pack Voltage | 24V (Max) |
| Voltage - Supply (Max) | 26V |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (4x4) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Présentation
Description
The BQ25720RSNR offers comprehensive battery protection and management features, including programmable charge current, input current, and system voltage regulation. It also supports autonomous and host-controlled charging, allowing for versatile application designs. Safety features like over-voltage, over-current, short-circuit, and thermal protection are included to ensure reliable operation. The device is typically used in applications such as laptops, tablets, power banks, and other portable devices where efficient and flexible charging solutions are required.
Equivalent
Features
1. Input Voltage Range: Operates with input voltages from 3.5V to 24V, accommodating a variety of power sources.
2. Charge Current: Provides programmable charge current up to 5A, allowing flexibility in charging different battery capacities.
3. Efficiency: Utilizes a buck-boost topology to achieve high efficiency in charging, maximizing energy transfer and minimizing heat.
4. I2C Interface: Features an I2C interface for communication and control, enabling easy integration into systems with microcontrollers.
5. Battery Detection: Includes automatic battery detection and pre-charge function to enhance safety and reliability.
6. Protection Features: Offers various protection mechanisms, such as over-voltage, over-current, and temperature protection, safeguarding both the device and the battery.
7. Power Path Management: Supports seamless switching between power sources to ensure uninterrupted power to the system.
These features make the BQ25720RSNR suitable for portable electronics, medical devices, and other battery-powered applications.
Pinout
Key functions of the BQ25720 include:
- Bidirectional Power Path: Supports charging and discharging from both the battery and the system.
- I2C/SMBus Interface: Allows communication with a host controller for configuring and monitoring.
- Power Management: Integrates features like input current optimization and adaptive charging.
- Protection Features: Provides overvoltage, overcurrent, and thermal protection.
- High Efficiency: Uses a buck-boost converter for efficient power conversion.
- Flexibility: Supports a wide range of input sources and output configurations.
This IC is suitable for applications requiring efficient power management, such as laptops, tablets, and other portable devices.