Datenblatt-Suchmaschine für elektronische Bauteile |
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ACT8946AQJ203-T Datenblatt(PDF) 2 Page - Active-Semi, Inc |
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ACT8946AQJ203-T Datenblatt(HTML) 2 Page - Active-Semi, Inc |
2 / 37 page ACT8946AQJ203-T Rev 1.0, 08-Jul-16 ActivePMU and ActivePath are trademarks of Active-Semi. - 2 - www.active-semi.com Copyright © 2016 Active-Semi, Inc. TABLE OF CONTENTS General Information .....................................................................................................................................p. 01 Functional Block Diagram............................................................................................................................p. 04 Ordering Information....................................................................................................................................p. 05 Pin Configuration .........................................................................................................................................p. 05 Pin Descriptions ...........................................................................................................................................p. 06 Absolute Maximum Ratings .........................................................................................................................p. 08 I2C Interface Electrical Characteristics ........................................................................................................p. 09 Global Register Map ....................................................................................................................................p. 10 Register and Bit Descriptions ......................................................................................................................p. 11 System Control Electrical Characteristics....................................................................................................p. 16 Step-Down DC/DC Electrical Characteristics ..............................................................................................p. 17 Low-Noise LDO Electrical Characteristics...................................................................................................p. 18 ActivePathTM Charger Electrical Characteristics..........................................................................................p. 19 Typical Performance Characteristics ...........................................................................................................p. 21 System Control Information .........................................................................................................................p. 25 Interfacing with the Hi351X Processors ...........................................................................................p. 25 Control Signals .................................................................................................................................p. 25 Control Sequences...........................................................................................................................p. 25 Functional Description .................................................................................................................................p. 26 I2C Interface......................................................................................................................................p. 26 Voltage Monitor and Interrupt...........................................................................................................p. 26 Thermal Shutdown ...........................................................................................................................p. 26 Step-Down DC/DC Regulators ....................................................................................................................p. 27 General Description..........................................................................................................................p. 27 100% Duty Cycle Operation .............................................................................................................p. 27 Synchronous Rectification................................................................................................................p. 27 Soft-Start ..........................................................................................................................................p. 27 Compensation ..................................................................................................................................p. 27 Configuration Options.......................................................................................................................p. 27 OK[ ] and Output Fault Interrupt.......................................................................................................p. 28 PCB Layout Considerations .............................................................................................................p. 28 Low-Noise, Low-Dropout Linear Regulators................................................................................................p. 29 General Description..........................................................................................................................p. 29 Output Current Limit .........................................................................................................................p. 29 Compensation ..................................................................................................................................p. 29 Configuration Options.......................................................................................................................p. 29 OK[ ] and Output Fault Interrupt.......................................................................................................p. 29 PCB Layout Considerations .............................................................................................................p. 29 ActivePath Charger.....................................................................................................................................p. 30 General Description..........................................................................................................................p. 30 ActivePath Architecture ....................................................................................................................p. 30 System Configuration Optimization..................................................................................................p. 30 Input Protection ................................................................................................................................p. 30 Battery Management ........................................................................................................................p. 30 Charge Current Programming ..........................................................................................................p. 31 Charger Input Interrupts ...................................................................................................................p. 31 Thermal Regulation ..........................................................................................................................p. 31 Charge Safety Timers ......................................................................................................................p. 31 Charger Timer Interrupts ..................................................................................................................p. 31 Charge Status Indicator....................................................................................................................p. 32 Reverse-Current Protection..............................................................................................................p. 32 Battery Temperature Monitoring ......................................................................................................p. 32 Battery Temperature Interrupts ........................................................................................................p. 32 Charge-Control State Machine.........................................................................................................p. 33 State Machine Interrupts ..................................................................................................................p. 33 |
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