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bq40z60

Texas Instruments
Part Number bq40z60
Manufacturer Texas Instruments
Description Programmable Battery Management
Published Dec 3, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community bq40z60 SLUSAW3D – DECEMBER 2014 ...
Datasheet PDF File bq40z60 PDF File

bq40z60
bq40z60

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community bq40z60 SLUSAW3D – DECEMBER 2014 – REVISED JANUARY 2017 bq40z60 Programmable Battery Management Unit 1 Features •1 Fully Integrated 2-Series to 4-Series Cell Li-Ion or Li-Polymer Battery Management Unit • Input Voltage Range on Pack+: 2.
5 V to 25 V • Battery Charger Efficiency > 92% • Battery Charger Operation Range: 4 V to 25 V • Battery Charger, 1-MHz Synchronous Buck Controller for External NFETs – Soft Start to Limit In-Rush Current – Current Limit Protection for External Switches – Programmable Charging – Supports JEITA/Enhanced Charging Modes • Fuel Gauging – High Resolution 16-Bit Integrator for Coulomb Counter – ADC, 16-Bit for Precision V, I, and T Measurements with 16-Channel Multiplexer – Support for Simultaneous CC and ADC Sampling (Power Conversion) – Supports Two-Wire SMBus v2.
0 Interface with Accelerated 400-kHz Programming Option – SHA-1 Hash Message Authentication Code (HMAC) Responder for Increased Battery Pack Security – Split Key (2 × 64) Stored in Secure Memory – Supports Field Updates • AFE Protection – Programmable Current Protection – Overcurrent in Discharge – Short-Circuit Current in Charge – Short-Circuit Current in Discharge • N-FET High-Side Protection FET Drive • Support for Four LEDs • Thermistor inputs for NTC • Compact 32-Pin QFN Package (RHB) 3 Description The Texas Instruments bq40z60 device is a Programmable Battery Management Unit that integrates battery charging control output, gas gauging, and protection for completely autonomous operation of 2-series to 4-series cell Li-Ion and LiPolymer battery packs.
The architecture enables internal communication between the fuel gauging processor and battery charger controller to optimize the charging profile based on the external load conditions and power path source management during load transients and adaptor current limitations in the system.
The charging current efficiency is scalable for power t...


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