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bq24770

Texas Instruments
Part Number bq24770
Manufacturer Texas Instruments
Description NVDC Battery Charge Controller
Published Jan 10, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community bq24770, bq24773 SLUSC03C – AUGUS...
Datasheet PDF File bq24770 PDF File

bq24770
bq24770

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community bq24770, bq24773 SLUSC03C – AUGUST 2014 – REVISED DECEMBER 2016 bq2477x NVDC Battery Charge Controller With System Power Monitor and Processor Hot Indicator 1 Features •1 Host-controlled NVDC-1 1S-4S Battery Charge Controller with 4.
5-24 V Input Range – Support SMBus (bq24770) and I2C (bq24773) – System Instant-on Operation with no Battery or Deeply Discharged Battery – Supplement Mode with Synchronous BATFET Control when Adaptor is fully loaded • Ultra Fast Input Current DPM at 100 μs • Ultra Low Quiescent Current of 600 µA and High PFM Light Load Efficiency >80% at 20 mA Load to Meet Energy Star and ErP Lot6.
• High Accuracy Power / Current Monitor for CPU Throttling – Comprehensive PROCHOT Profile – Input and Battery Current Monitor (IADP/IBAT) – System Power Monitor (PMON) • Programmable Input Current Limit, Charge Voltage, Charge Current and Minimum System Voltage Regulation – ±0.
5% Charge Voltage (16 mV/step) – ±2% Input/charge Current (64 mA/step) – ±2% 40x Input / 16x Discharge / 20x Charge Current Monitor • Support Battery LEARN Function • High Integration – NMOS ACFET and RBFET Driver – PMOS battery FET Gate Driver – Internal Loop Compensation – Independent Comparator – Automatic Trickle Charge to Wake up Gas Gauge • 600kHz to 1.
2MHz Programmable Switching Frequency Simplified Schematic Adapter 4.
5-24V N-FET Driver RAC Enhanced Safety: OCP, OVP, FET Short Adapter Detection bq24770 SMBus Controls V and I with high accuracy SMBus NVDC Charge Controller HOST IADP, IDCHG, PMON, PROCHOT SYS P-FET Driver RSR Copyright © 2016, Texas Instruments Incorporated 1 2 Applications • Ultrabook, Notebook, Detachable, and Tablet PC • Handheld Terminal • Industrial, Medical, Portable Equipment 3 Description The bq2477x is high-efficiency, synchronous, NVDC1 battery charge controllers, offering low component count for space-constraint, multi-chemistry battery charging applica...


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