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ACT8941A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Advanced PMU for Rockchip RK2906/RK2918 Processor - Active-Semi

भाग संख्या ACT8941A
समारोह Advanced PMU for Rockchip RK2906/RK2918 Processor
मैन्युफैक्चरर्स Active-Semi 
लोगो Active-Semi लोगो 
पूर्व दर्शन
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<?=ACT8941A?> डेटा पत्रक पीडीएफ

ACT8941A pdf
ACT8941A
Rev 0, 12-Mar-13
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
ActivePathTM Charger Electrical Characteristics..........................................................................................p. 18
Typical Performance Characteristics...........................................................................................................p. 20
System control information ..........................................................................................................................p. 26
Control Signals .................................................................................................................................p. 27
Push-Button Control.........................................................................................................................p. 27
Control Sequences...........................................................................................................................p. 28
Functional Description .................................................................................................................................p. 29
I2C Interface .....................................................................................................................................p. 29
Voltage Monitor and Interrupt...........................................................................................................p. 29
Thermal Shutdown ...........................................................................................................................p. 30
Step-Down DC/DC Regulators ....................................................................................................................p. 31
General Description..........................................................................................................................p. 31
100% Duty Cycle Operation.............................................................................................................p. 31
Synchronous Rectification................................................................................................................p. 31
Soft-Start ..........................................................................................................................................p. 31
Compensation ..................................................................................................................................p. 31
Configuration Options.......................................................................................................................p. 31
OK[ ] and Output Fault Interrupt.......................................................................................................p. 32
PCB Layout Considerations .............................................................................................................p. 32
Low-Noise, Low-Dropout Linear Regulators................................................................................................p. 33
General Description..........................................................................................................................p. 33
Output Current Limit .........................................................................................................................p. 33
Compensation ..................................................................................................................................p. 33
Configuration Options.......................................................................................................................p. 33
OK[ ] and Output Fault Interrupt.......................................................................................................p. 33
PCB Layout Considerations .............................................................................................................p. 33
ActivePathTM Charger ..................................................................................................................................p. 35
General Description..........................................................................................................................p. 35
ActivePath Architecture ....................................................................................................................p. 35
System Configuration Optimization..................................................................................................p. 35
Input Protection ................................................................................................................................p. 35
Battery Management ........................................................................................................................p. 35
Charge Current Programming..........................................................................................................p. 36
Charger Input Interrupts ...................................................................................................................p. 36
Charge-Control State Machine.........................................................................................................p. 38
State Machine Interrupts ..................................................................................................................p. 38
Thermal Regulation ..........................................................................................................................p. 39
Charge Safety Timers ......................................................................................................................p. 39
Charger Timer Interrupts ..................................................................................................................p. 39
Charge Status Indicator....................................................................................................................p. 39
Reverse-Current Protection .............................................................................................................p. 39
Battery Temperature Monitoring ......................................................................................................p. 39
Battery Temperature Interrupts ........................................................................................................p. 40
TQFN55-40 Package Outline and Dimensions ...........................................................................................p. 41
Revision History...........................................................................................................................................p. 42
Innovative PowerTM
Active-Semi ProprietaryFor Authorized Recipients and Customers
ActivePMUTM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
-2-
www.active-semi.com
Copyright © 2013 Active-Semi, Inc.

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डाउनलोड[ ACT8941A Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
ACT8941AAdvanced PMU for Rockchip RK2906/RK2918 ProcessorActive-Semi
Active-Semi


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