BQ28Z610DRZR-R1

Battery Management Overview

The BQ28Z610DRZR-R1 is a highly integrated, accurate gas gauge and protection solution for 1-series to 2-series cell lithium-ion and lithium polymer battery packs. It supports a maximum output voltage of 26 V and operates on a supply voltage ranging from 2.2 V to 26 V. The device features an I2C compatible interface and utilizes the Impedance Track algorithm. It includes an integrated SHA-1 authenticator and supports a maximum battery capacity of 14000 mAh. Operating temperatures range from -40°C to +85°C.

Battery Management Feature Summary

• Enables autonomous charger control through Master Mode I2C broadcasts of charging current and voltage information.
• Provides integrated protection against over-current discharge, short-circuit charge/discharge, and thermal events via internal AFE watchdog.
• Supports cell balancing and authentication using an integrated SHA-1 authenticator.
• Combines a low-power RISC CPU with high-precision analog measurement capabilities for comprehensive battery management.

Battery Management Applications

• Lithium-ion battery pack management
• Lithium polymer battery pack monitoring
• Portable electronic devices requiring precise state-of-charge tracking
• Systems utilizing autonomous charger control protocols

Battery Management Procurement Notes

Verify the specific suffix DRZR-R1 to confirm the reel packaging configuration and revision level. Ensure compatibility with the target host controller's I2C addressing requirements. Confirm that the VSON-12 package dimensions fit the designated PCB footprint. Validate that the operating temperature range meets the environmental specifications of the final assembly.

Battery Management Selection Notes

Select this component when a combined fuel gauge and protection solution is required for 1S or 2S Li-ion/polymer packs. It is suitable for applications needing autonomous charging control to reduce host processor overhead. Consider the Impedance Track algorithm for high accuracy in state-of-charge estimation. Ensure the system design accommodates the I2C communication interface and the specific power supply voltage range.

Battery Management Part Context

This device belongs to the BQ28Z610-R1 series, which offers a complete battery management solution. It integrates the gas gauge, protection logic, and authentication features into a single compact package. The series is designed to simplify system design by reducing software complexity through autonomous operation modes.

Battery Management Replacement Considerations

The BQ28Z610DRZT-R1 is a tape-and-reel alternative within the same family. Verify pinout and functional equivalence before substitution. Cross-reference with the BQ78Z100 series for similar functionality, noting potential differences in interface support and package type.

Battery Management FAQ

Does the BQ28Z610DRZR-R1 support autonomous charging control?

Yes, it enables autonomous charge control by broadcasting charging current and voltage information via Master Mode I2C.

What battery chemistries are supported by this device?

The device is designed for 1-series to 2-series cell Lithium-ion and Lithium Polymer battery packs.

Is there integrated security authentication in this component?

Yes, the device includes an integrated SHA-1 authenticator for battery pack authentication.