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BQ25708 SMBus Buck-Boost Battery Charge Controller

BQ25708 BQ25708RSNR 24V 8.128A SMBus Buck-Boost Battery Charge Controller 32-WQFN


Product Code: BQ25708RSNR

Part Marking: BQ25708

Brand: Texas Instruments (TI) 

Package: 32-Pin WQFN (4mm x 4mm) 

BQ25708 Datasheet 

Product Specifications (Datasheet Values) 

The BQ25708RSNR is a synchronous NVDC (Narrow Voltage DC) Buck-Boost battery charge controller manufactured by Texas Instruments. It is designed for multi-chemistry battery charging applications with low component count and high efficiency. The NVDC-1 configuration allows the system to be regulated at battery voltage while preventing it from dropping below the minimum system voltage. The system keeps operating even when the battery is completely discharged or removed. It can charge batteries from a wide range of input sources including USB adapters, high voltage USB PD sources, and traditional adapters.

  • Product Name: BQ25708RSNR.
  • Function: SMBus Buck-Boost Battery Charge Controller.
  • Input Voltage Range (VIN): 3.5V - 24V.
  • Battery Cell Count: 1-4 cells (1S-4S).
  • Maximum Battery Voltage: 19.2V.
  • Maximum Charge Current: 8.128A (64mA steps).
  • Charge Voltage Regulation Accuracy: ±0.5%.
  • Input/Charge Current Regulation Accuracy: ±2%.
  • Switching Frequency: 800kHz or 1.2MHz (programmable).
  • Supported USB Standards: USB 2.0, USB 3.0, USB 3.1 (Type-C), USB PD.
  • Control Interface: SMBus.
  • Features: NVDC Power Path Management, Integrated ADC, PROCHOT Profile (IMVP8 Compliant), PSYS System Power Monitor, ICO (Input Current Optimization), Thermal Protection.
  • Supported Battery Chemistries: Li-ion, Li-Po, LiFePO4, NiCd, NiMH, Lead Acid.
  • Operating Temperature: -40°C ~ +85°C.
  • Package: 32-Pin WQFN (4mm x 4mm).
  • Applications: Ultrabook, Notebook, Tablet PC, Powerbank, Industrial and Medical Equipment.

Sales Information

Condition: NEW. Original. 

Warranty: No warranty is provided for semiconductor products. 

Shipping (Turkey): All orders placed before 16:00 on weekdays and 14:30 on Saturdays are shipped the same day via contracted cargo. (Except during busy cargo periods and extraordinary situations) 

International Shipping: Orders placed before 16:00 on weekdays are shipped the same business day via Air Parcel. Orders placed on weekends and outside business hours are shipped on the next business day. (Except during busy periods) Shipping origin is Turkey. 

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