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ACT8933QJ133-T Datasheet(PDF) 2 Page - Active-Semi, Inc |
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ACT8933QJ133-T Datasheet(HTML) 2 Page - Active-Semi, Inc |
2 / 44 page ACT8933 Rev 3, 15-Nov-12 - 2 - www.active-semi.com ActivePMU TM and ActivePathTM are trademarks of Active-Semi. I2CTM is a trademark of NXP. Copyright © 2012 Active-Semi, Inc. Innovative PowerTM Active-Semi Proprietary―For Authorized Recipients and Customers TABLE OF CONTENTS General Information .....................................................................................................................................p. 01 Functional Block Diagram............................................................................................................................p. 03 Ordering Information....................................................................................................................................p. 04 Pin Configuration .........................................................................................................................................p. 04 Pin Descriptions...........................................................................................................................................p. 05 Absolute Maximum Ratings .........................................................................................................................p. 07 I2C Interface Electrical Characteristics ........................................................................................................p. 08 Global Register Map ....................................................................................................................................p. 09 Register and Bit Descriptions ......................................................................................................................p. 10 System Control Electrical Characteristics....................................................................................................p. 15 Step-Down DC/DC Electrical Characteristics ..............................................................................................p. 16 Low-Noise LDO Electrical Characteristics...................................................................................................p. 17 ActivePath TM Charger Electrical Characteristics..........................................................................................p. 18 Typical Performance Characteristics...........................................................................................................p. 20 System control information ..........................................................................................................................p. 27 Interfacing with the CoreLogic LUCY...............................................................................................p. 27 Control Signals.................................................................................................................................p. 28 Push-Button Control.........................................................................................................................p. 29 Control Sequences...........................................................................................................................p. 29 Functional Description .................................................................................................................................p. 31 I2C Interface .....................................................................................................................................p. 31 Voltage Monitor and Interrupt...........................................................................................................p. 31 Thermal Shutdown ...........................................................................................................................p. 32 Step-Down DC/DC Regulators ....................................................................................................................p. 33 General Description..........................................................................................................................p. 33 100% Duty Cycle Operation.............................................................................................................p. 33 Synchronous Rectification................................................................................................................p. 33 Soft-Start ..........................................................................................................................................p. 33 Compensation ..................................................................................................................................p. 33 Configuration Options.......................................................................................................................p. 33 OK[ ] and Output Fault Interrupt.......................................................................................................p. 34 PCB Layout Considerations .............................................................................................................p. 34 Low-Noise, Low-Dropout Linear Regulators................................................................................................p. 35 General Description..........................................................................................................................p. 35 Output Current Limit .........................................................................................................................p. 35 Compensation ..................................................................................................................................p. 35 Configuration Options.......................................................................................................................p. 35 OK[ ] and Output Fault Interrupt.......................................................................................................p. 35 PCB Layout Considerations .............................................................................................................p. 35 ActivePath TM Charger ..................................................................................................................................p. 37 General Description..........................................................................................................................p. 37 ActivePath Architecture....................................................................................................................p. 37 System Configuration Optimization..................................................................................................p. 37 Input Protection ................................................................................................................................p. 37 Battery Management ........................................................................................................................p. 37 Charge Current Programming..........................................................................................................p. 38 Charger Input Interrupts ...................................................................................................................p. 38 Charge-Control State Machine.........................................................................................................p. 40 State Machine Interrupts ..................................................................................................................p. 40 Thermal Regulation ..........................................................................................................................p. 41 Charge Safety Timers ......................................................................................................................p. 41 Charger Timer Interrupts..................................................................................................................p. 41 Charge Status Indicator....................................................................................................................p. 41 Reverse-Current Protection .............................................................................................................p. 41 Battery Temperature Monitoring ......................................................................................................p. 41 Battery Temperature Interrupts ........................................................................................................p. 42 TQFN55-40 Package Outline and Dimensions ...........................................................................................p. 43 |
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