BQ7790511PWR

Battery Management Overview

The BQ7790511PWR is a battery protection integrated circuit from Texas Instruments, designed for lithium-ion and lithium-phosphate chemistries. It supports 3- to 5-series stackable configurations within a TSSOP-20 package. The device operates on a supply voltage range of 3 V to 25 V with a quiescent current of 6 uA. It provides outputs at 3 V and 16 V, delivering an output current of 1 mA. The component functions within a temperature range of -40 C to +85 C.

Battery Management Feature Summary

• Stackable architecture enabling multi-cell series protection
• Ultra-low power consumption suitable for portable applications
• Integrated protection for specific lithium-based battery chemistries

Battery Management Applications

• Lithium-ion battery pack protection
• Lithium phosphate battery management systems
• Portable electronic devices requiring low standby current

Battery Management Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm pinout and functional specifications. Ensure compatibility with the intended battery chemistry and cell count. Confirm moisture sensitivity levels and storage conditions prior to assembly. Cross-reference the ordering part number with the latest revision history to avoid obsolete variants.

Battery Management Selection Notes

Select this component for applications requiring stackable protection in 3S to 5S lithium-ion or lithium-phosphate packs. Consider the TSSOP-20 package constraints and the specific 6 uA quiescent current requirement. Evaluate the 3 V to 25 V operating range against system power availability. Compare against other BQ77905 variants if different cell counts or packaging options are needed.

Battery Management Part Context

This part belongs to the BQ77905 series of ultra-low power stackable battery protectors. It complements other variants like the BQ7790508PW by offering specific support for lithium-ion and lithium-phosphate types. The series is characterized by its ability to manage multiple cells in series while maintaining minimal power drain.

Battery Management Replacement Considerations

Direct substitutes within the same family include BQ7790508PW and BQ7790512PW. Verify package compatibility and specific battery type support when swapping between these variants.