DA6021 datasheet(5/225 Pages) RENESAS

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DA6021

HIGHLY INTEGRATED POWER MANAGEMENT IC FOR

INTEL® ATOM™ Z3000 PROCESSOR

Company Confidential

Data Sheet

Version 3.A - Final

31-Jan-14

5 of 224

www.dialog-semiconductor.com

DA6021 Catastrophic and Critical Events ................................................................................ 133

14.8

Power Source Registers .......................................................................................................... 134

14.9

15. Analog

–to–Digital Converter ........................................................................................................... 139

Electrical Characteristics .......................................................................................................... 139

15.1

Analog Overview ...................................................................................................................... 140

15.2

ADC Measurement Support......................................................................................... 141

15.2.1

Preamplifier .................................................................................................................. 141

15.2.2

ADC Sequencer ....................................................................................................................... 142

15.3

Manual Measurements ................................................................................................ 142

15.3.1

Reference Source ........................................................................................................ 145

15.3.2

Event and Status Generation....................................................................................... 145

15.3.3

Result register .............................................................................................................. 146

15.3.4

CH0: Battery Pack Voltage .......................................................................................... 146

15.3.5

CH1: Battery ID resistance .......................................................................................... 146

15.3.6

CH2: Die Temperature................................................................................................. 146

15.3.7

CH3-4: Battery Pack Temperature .............................................................................. 146

15.3.8

CH5-7: System Temperature Thermistor..................................................................... 147

15.3.9

CH8-12: VR Current Measurement ............................................................................. 147

15.3.10

CH8: VSYS Voltage Measurements ............................................................................ 147

15.3.11

ADC Registers.......................................................................................................................... 148

15.4

16. System Voltage & Temperature Monitoring................................................................................... 153

Overview .................................................................................................................................. 153

16.1

SVTM Block Diagram ............................................................................................................... 158

16.2

Functional Description.............................................................................................................. 158

16.3

VSYS Input Trip Points for ADC Measurement ........................................................... 158

16.3.1

VSYS Related Output Control...................................................................................... 160

16.3.2

Under- & Over- Voltage Condition ............................................................................... 165

16.3.3

Permanent Temperature Monitoring ............................................................................ 165

16.3.4

Temperature Monitoring via ADC ................................................................................ 166

16.3.5

Critical Thermal Events ............................................................................................................ 175

16.4

System Temperature ................................................................................................... 175

16.4.1

Battery Critical Temperature ........................................................................................ 176

16.4.2

DA6021 die Temperature............................................................................................. 176

16.4.3

Thermal Monitoring Event Table.................................................................................. 177

16.4.4

Backup Battery Management ................................................................................................... 177

16.5

Backup Battery Charger............................................................................................... 178

16.5.1

Power Consumption..................................................................................................... 178

16.5.2

17. General Purpose IOs ........................................................................................................................ 179

Overview .................................................................................................................................. 179

17.1

Analog Block, Control & Data Signals ...................................................................................... 179

17.2

GPIO Digital Features .............................................................................................................. 180

17.3

De-Bouncing ................................................................................................................ 180

17.3.1

Status Register ............................................................................................................ 180

17.3.2

Interrupt Functionality .................................................................................................. 180

17.3.3

Analogue Mode ........................................................................................................................ 180

17.4

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