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AS3606 AS3607 2v2

Data Sheet - C o n t e n t s

Contents

1 General Description ..................................................................................................................................................................

1

2 Key Features............................................................................................................................................................................. 1

3 Application ................................................................................................................................................................................ 1

4 Pin Assignments .......................................................................................................................................................................

5

4.1 Pin Descriptions.................................................................................................................................................................................... 6

5 Absolute Maximum Ratings ...................................................................................................................................................... 8

6 Electrical Characteristics...........................................................................................................................................................

9

7 Typical Operating Characteristics ...........................................................................................................................................

11

8 Detailed Description - Power Management Functions............................................................................................................

12

8.1 Low Drop Out Regulators................................................................................................................................................................... 12

8.1.1 LDO5 ......................................................................................................................................................................................... 12

8.1.2 LDO 1, LDO2, LDO3 & LDO4.................................................................................................................................................... 13

8.1.3 Parameter.................................................................................................................................................................................. 13

8.2 DCDC Step-Down Converter.............................................................................................................................................................. 15

8.2.1 Functional Description ............................................................................................................................................................... 16

8.2.2 Parameter.................................................................................................................................................................................. 17

8.3 30V Step-Up DCDC Converter........................................................................................................................................................... 19

8.3.1 Voltage Feedback and OV Protection ....................................................................................................................................... 19

8.3.2 Voltage Feedback...................................................................................................................................................................... 19

8.3.3 DLS & Dimming ......................................................................................................................................................................... 20

8.3.4 Current Sinks ............................................................................................................................................................................. 20

8.3.5 Parameter.................................................................................................................................................................................. 20

8.4 Charger............................................................................................................................................................................................... 22

8.4.1 Soft Charge/Trickle Charge ....................................................................................................................................................... 23

8.4.2 End of Charge Detection ........................................................................................................................................................... 23

8.4.3 VSUPSW and Temperature Supervision................................................................................................................................... 23

8.4.4 Battery Temperature Supervision .............................................................................................................................................. 23

8.4.5 No Battery Detection.................................................................................................................................................................. 23

8.4.6 Charger Modes .......................................................................................................................................................................... 24

8.4.7 Parameter .................................................................................................................................................................................. 24

9 Detailed Description - SYSTEM Functions ............................................................................................................................. 26

9.1 SYSTEM

............................................................................................................................................................................................ 26

9.1.1 Power Up/Down Conditions ....................................................................................................................................................... 26

9.1.2 Start-up Sequence ..................................................................................................................................................................... 26

9.2 Hibernation ......................................................................................................................................................................................... 27

9.3 Supervisor .......................................................................................................................................................................................... 27

9.3.1 VSUP Supervision ..................................................................................................................................................................... 27

9.3.2 VDD27 Supervision ................................................................................................................................................................... 27

9.3.3 Junction Temperature Supervision ............................................................................................................................................ 27

9.3.4 Power Rail Monitoring ................................................................................................................................................................ 27

9.4 Interrupt Generation ........................................................................................................................................................................... 28

9.4.1 IRQ Source Interpretation .......................................................................................................................................................... 28

9.4.2 Interrupt Sources ....................................................................................................................................................................... 28

9.5 10-Bit ADC

......................................................................................................................................................................................... 29

9.5.1 Input Sources ............................................................................................................................................................................. 29