ACT8600 参数 Datasheet PDF下载

ACT8600

Rev 3, 15-Nov-12

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

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C 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

Step-Up DC/DC Electrical Characteristics................................................................................................... p. 18

Low-Noise LDO Electrical Characteristics

............................................................................................ p. 19

Low-IQ LDO Electrical Characteristics ........................................................................................................ p. 20

OTG Subsystem Electrical Characteristics.................................................................................................. p. 20

ActivePath

TM

Charger Electrical Characteristics........................................................................................ p. 21

Typical Performance Characteristics…………………………………………………………………………......p. 23

System Control Information ......................................................................................................................... p. 34

Interfacing with the Ingenic JZ4770 Processor .............................................................................. p. 34

Control Signals ............................................................................................................................... p. 34

Power Control Sequences .............................................................................................................. p. 34

Functional Description ................................................................................................................................. p. 36

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C Interface .................................................................................................................................... p. 36

Interrupt Service Routine ................................................................................................................ p. 36

Housekeeping Functions ................................................................................................................ p. 36

Thermal Protection ......................................................................................................................... p. 37

Step-Down DC/DC Regulators .................................................................................................................... p. 38

General Description ........................................................................................................................ p. 38

Output Current Capability ............................................................................................................... p. 38

100% Duty Cycle Operation ........................................................................................................... p. 38

Operating Mode .............................................................................................................................. p. 38

Synchronous Rectification .............................................................................................................. p. 38

Soft-Start ......................................................................................................................................... p. 38

Compensation................................................................................................................................. p. 38

Configuration Options ..................................................................................................................... p. 38

Configurable Step-Up DC/DC ...................................................................................................................... p. 39

General Description ........................................................................................................................ p. 39

5V Applications ............................................................................................................................... p. 39

Compensation and Stability ............................................................................................................ p. 39

Configuration Options ..................................................................................................................... p. 39

Low-Dropout Linear Regulators ................................................................................................................... p. 40

General Description ........................................................................................................................ p. 40

LDO Output Voltage Programming................................................................................................. p. 40

Enabling and Disabling the LDOs................................................................................................... p. 40

Power-OK ....................................................................................................................................... p. 40

Interrupts ......................................................................................................................................... p. 40

Optional LDO Output Discharge ..................................................................................................... p. 40

Output Capacitor Selection ............................................................................................................. p. 40

Backup Battery Charger ................................................................................................................. p. 40

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TM

ActivePMU

TM

and

ActivePath

TM

are trademarks of Active-Semi.

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TM

is a trademark of NXP.

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