ChongMing Group (HK) Int'l Co., Ltd |
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BQ40Z50RSMR-R1 Power Path Management IC Battery Management 1s-4s gauge with integrated AFE
1 Features
Next-Generation Patented Impedance TrackTM Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries
High Side N-CH Protection FET Drive
Integrated Cell Balancing While Charging or At Rest
Full Array of Programmable Protection Features
– Voltage
– Current
– Temperature
– Charge Timeout
– CHG/DSG FETs
– AFE
Sophisticated Charge Algorithms
– JEITA
– Enhanced Charging
– Adaptive Charging
– Cell Balancing
Supports TURBO BOOST Mode
Supports Battery Trip Point (BTP)
Diagnostic Lifetime Data Monitor and Black Box Recorder
LED Display
Supports Two-Wire SMBus v1.1 Interface
SHA-1 Authentication
Compact Package: 32-Lead QFN (RSM)
2 Applications
Notebook/Netbook PCs
Medical and Test Equipment
Portable Instrumentation
3 Description
The bq40z50-R1 device, incorporating patented Impedance TrackTM technology, is a fully integrated, single-chip, pack-based solution that provides a rich array of features for gas gauging, protection, and authentication for 1-series, 2-series, 3-series, and 4- series cell Li-Ion and Li-Polymer battery packs.
Using its integrated high-performance analog peripherals, the bq40z50-R1 device measures and maintains an accurate record of available capacity, voltage, current, temperature, and other critical parameters in Li-Ion or Li-Polymer batteries, and reports this information to the system host controller over an SMBus v1.1 compatible interface.
Device Information
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
bq40z50-R1 | VQFN (32) | 4.00 mm × 4.00 mm |