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AS3606 Datasheet(PDF) 4 Page - ams AG

Part No. AS3606
Description  System PMU with HV Back Light Driver
Download  71 Pages
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Maker  AMSCO [ams AG]
Homepage  http://www.ams.com
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AS3606 Datasheet(HTML) 4 Page - ams AG

 
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www.austriamicrosystems.com
Revision 1.03
3 - 70
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


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