ACT5880 datasheet(2/87 Pages) ACTIVE-SEMI

2 / 87 page

ACT5880

Rev 2, 03-Sep-13

- 2 -

www.active-semi.com

ActivePMU

TM and ActivePathTM are trademarks of Active-Semi.

I2CTM is a trademark of NXP.

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TABLE OF CONTENTS

General Description .....................................................................................................................................p. 01

Functional Block Diagram............................................................................................................................p. 04

Ordering Information....................................................................................................................................p. 05

Pin Configuration .........................................................................................................................................p. 06

Pin Descriptions...........................................................................................................................................p. 07

Absolute Maximum Ratings .........................................................................................................................p. 11

I2C Interface Electrical Characteristics ........................................................................................................p. 12

Global Register Map ....................................................................................................................................p. 13

Register and Bit Descriptions ......................................................................................................................p.18

Interrupt Descriptions...................................................................................................................................p. 42

Step-Down DC/DC and LDO Output Voltage Setting..................................................................................p. 44

VBBAT Output Voltage Setting....................................................................................................................p. 44

Charger Voltage Setting ..............................................................................................................................p. 44

Fast Charge Current Setting........................................................................................................................p. 44

Non-Linear Duty Setting ..............................................................................................................................p. 45

Step-Up DC/DC Voltage Setting..................................................................................................................p. 45

System Control Electrical Characteristics....................................................................................................p. 46

Step-Down DC/DC Electrical Characteristics ..............................................................................................p. 47

Step-Up DC/DC Electrical Characteristics...................................................................................................p. 48

Low-Noise LDO Electrical Characteristics...................................................................................................p. 49

Single-Cell Li+ Charger Electrical Characteristics.......................................................................................p. 50

Back-Up Battery Charger Electrical Characteristics....................................................................................p. 52

Always-On Low Power LDO Electrical Characteristics ...............................................................................p. 52

Real Time Clock Electrical Characteristics..................................................................................................p. 53

Open-Drain Driver Electrical Characteristics ...............................................................................................p. 53

TSC ADC Electrical Characteristics ............................................................................................................p. 54

Typical Performance Characteristics...........................................................................................................p. 55

Application Information ................................................................................................................................p. 60

System and Control Information.......................................................................................................p. 60

Device Power States........................................................................................................................p. 60

System Control Signals....................................................................................................................p. 60

Control Sequences...........................................................................................................................p. 61

House Keeping Functions ...............................................................................................................p. 62

Step-Down DC/DC Regulators ....................................................................................................................p. 64

General Description..........................................................................................................................p. 64

Manipulation .....................................................................................................................................p. 64

Summary of Key Specifications .......................................................................................................p. 64

Component Selection .......................................................................................................................p. 65

PCB Layout Considerations.............................................................................................................p. 65

Configurable Step-Up DC/DC Regulator .....................................................................................................p. 66

General Description..........................................................................................................................p. 66

Voltage Regulation Option ...............................................................................................................p. 66

Current Regulation Option ...............................................................................................................p. 66

Component Selection ......................................................................................................................p. 67

PCB Layout Considerations.............................................................................................................p. 67

Low-Noise, Low-Dropout Linear Regulators................................................................................................p. 68

General Description..........................................................................................................................p. 68

Output Current Limit .........................................................................................................................p. 68

Configuration Options.......................................................................................................................p. 68

OK[ ] and Output Fault Interrupt.......................................................................................................p. 68

The Always-On LDO and the Backup Battery Charger ....................................................................p. 69

Component Selection .......................................................................................................................p. 69

PCB Layout Considerations .............................................................................................................p. 70

ACT5880 Datasheet(PDF) 2 Page - Active-Semi, Inc

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