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ACT8934A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Advanced PMU - Active-Semi

भाग संख्या ACT8934A
समारोह Advanced PMU
मैन्युफैक्चरर्स Active-Semi 
लोगो Active-Semi लोगो 
पूर्व दर्शन
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<?=ACT8934A?> डेटा पत्रक पीडीएफ

ACT8934A pdf
ACT8934A
Rev 1, 22-Oct-12
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. 27
Interfacing with the Samsung S3C2416/S3C2450...........................................................................p. 27
Control Signals .................................................................................................................................p. 28
Push-Button Control.........................................................................................................................p. 29
Control Sequences...........................................................................................................................p. 29
Functional Description .................................................................................................................................p. 32
I2C Interface .....................................................................................................................................p. 32
Voltage Monitor and Interrupt...........................................................................................................p. 32
Thermal Shutdown ...........................................................................................................................p. 33
Step-Down DC/DC Regulators ....................................................................................................................p. 34
General Description..........................................................................................................................p. 34
100% Duty Cycle Operation.............................................................................................................p. 34
Synchronous Rectification................................................................................................................p. 34
Soft-Start ..........................................................................................................................................p. 34
Compensation ..................................................................................................................................p. 34
Configuration Options.......................................................................................................................p. 34
OK[ ] and Output Fault Interrupt.......................................................................................................p. 35
PCB Layout Considerations .............................................................................................................p. 35
Low-Noise, Low-Dropout Linear Regulators................................................................................................p. 36
General Description..........................................................................................................................p. 36
Output Current Limit .........................................................................................................................p. 36
Compensation ..................................................................................................................................p. 36
Configuration Options.......................................................................................................................p. 36
OK[ ] and Output Fault Interrupt.......................................................................................................p. 36
PCB Layout Considerations .............................................................................................................p. 36
ActivePathTM Charger ..................................................................................................................................p. 38
General Description..........................................................................................................................p. 38
ActivePath Architecture ....................................................................................................................p. 38
System Configuration Optimization..................................................................................................p. 38
Input Protection ................................................................................................................................p. 38
Battery Management ........................................................................................................................p. 38
Charge Current Programming..........................................................................................................p. 39
Charger Input Interrupts ...................................................................................................................p. 39
Charge-Control State Machine.........................................................................................................p. 41
State Machine Interrupts ..................................................................................................................p. 41
Thermal Regulation ..........................................................................................................................p. 42
Charge Safety Timers ......................................................................................................................p. 42
Charger Timer Interrupts ..................................................................................................................p. 42
Charge Status Indicator....................................................................................................................p. 42
Reverse-Current Protection .............................................................................................................p. 42
Battery Temperature Monitoring ......................................................................................................p. 42
Battery Temperature Interrupts ........................................................................................................p. 43
TQFN55-40 Package Outline and Dimensions ...........................................................................................p. 44
Revision History...........................................................................................................................................p. 45
Innovative PowerTM
ActivePMUTM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
-2-
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
Free Datasheet http://www.datasheet4u.com/

विन्यास 30 पेज
डाउनलोड[ ACT8934A Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
ACT8934Advanced PMUActive-Semi
Active-Semi
ACT8934AAdvanced PMUActive-Semi
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