BQ27Z561-R1
Description
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 parallel cells for increased capacity.
Key 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 security
- Sophisticated charge algorithms: – JEITA – Enhanced charging – RSOC() charging pensation option
- Low-voltage (2-V) operation
- Wide-range current applications (1 mA to > 5 A)
- Active high or low pulse or level interrupt pin
- Supports battery trip point (BTP)
- Internal and external temperature sense functions
