BQ27Z561-R1 Datasheet (Texas Instruments)

BQ27Z561-R1, Battery Gas Gauge

The Texas Instruments BQ27Z561-R1 Impedance Track™ gas gauge solution is a highly integrated, accurate 1-series cell gas gauge with a flash programmable custom reduced instruction-set CPU (RISC) and SHA-256 authentication for li-ion and lipolymer battery packs.

The 1-series cell capability includes

BQ27Z561-R1 Features

* Supports high-side and low-side current sense resistors down to 1 mΩ

* Supports pack-side gauging including enhanced state of health (SOH) algorithm

* Fast QMAX update option based on predicted OCV

* SHA-256 authentication responder for increased battery pack securi