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BQ25856QWRRVRQ1 is listed in the Battery Chargers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is AUTOMOTIVE I2C CONTROLLED 70-V B. Review the specifications below when checking this part for your BOM.
Battery Chargers specifications for BQ25856QWRRVRQ1
- Description：AUTOMOTIVE I2C CONTROLLED 70-V B
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Battery Chemistry：Multi-Chemistry
- Voltage - Supply (Max)：70V
- Operating Temperature：-40°C ~ 150°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：36-VFQFN Exposed Pad
- Supplier Device Package：36-VQFN (5x6)
- Number of Cells：1 ~ 16
- Current - Charging：Constant - Programmable
- Programmable Features：Current, Timer, Voltage
- Fault Protection：Over Current, Over-Under Voltage
- Charge Current - Max：20A
- Battery Pack Voltage：0V ~ 70V
- Interface：I2C
- Grade：Automotive
- Qualification：AEC-Q100
Battery Chargers datasheet and documents for BQ25856QWRRVRQ1
Battery Chargers Overview
The BQ25856QWRRVRQ1 is an automotive-grade, I2C-controlled, bidirectional buck-boost charge controller designed for wide input voltage applications. It supports Li-Ion, Li-polymer, and LiFePO4 battery chemistries within a 36-pin VQFN (RRV) package. The device operates across an extended temperature range of -40°C to +150°C and features a 70-V bidirectional capability, enabling robust performance in demanding automotive environments.
Battery Chargers Feature Summary
- Automotive-grade reliability with I2C control interface
- Bidirectional buck-boost topology supporting wide input voltages
- Compatibility with Li-Ion, Li-polymer, and LiFePO4 batteries
Battery Chargers Applications
- Supercapacitor state of health measurement systems
- Automotive battery management architectures
- Wide-input voltage charging solutions
Battery Chargers Procurement Notes
Verify the specific ordering suffix RRV against official Texas Instruments documentation to confirm pinout and thermal pad configuration. Ensure the component meets AEC-Q100 automotive qualification standards required for your target application environment before finalizing procurement.
Battery Chargers Selection Notes
Select this component when a bidirectional buck-boost architecture is required for automotive battery management. It is suitable for designs needing I2C programmability and support for diverse battery chemistries including LiFePO4. Consider the 36-pin VQFN package constraints and the extended operating temperature range up to 150°C during PCB layout.
Battery Chargers Part Context
This part belongs to the BQ25856-Q1 family of automotive charge controllers. It is distinct from the BQ25858QWRRVRQ1 and other USB interface ICs like the TPS25855 series found in related catalogs. The Q1 suffix denotes automotive qualification, while RRV specifies the specific VQFN package variant.
Battery Chargers Replacement Considerations
Consult official Texas Instruments substitution lists for verified equivalents. Generic cross-references are not recommended due to strict automotive qualification requirements and specific I2C control protocols inherent to this charge controller design.
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