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DA9213 Datasheet(PDF) 4 Page - Dialog Semiconductor |
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DA9213 Datasheet(HTML) 4 Page - Dialog Semiconductor |
4 / 62 page DA9213, DA9214, and DA9215 Multi-Phase 5A/Phase DC-DC Buck Converter Datasheet Revision 2.2 23-Oct-2017 CFR0011-120-00 4 of 62 © 2017 Dialog Semiconductor Contents General Description ............................................................................................................................ 1 Key Features ........................................................................................................................................ 1 Applications ......................................................................................................................................... 2 System Diagrams ................................................................................................................................ 2 Contents ............................................................................................................................................... 4 Figures.................................................................................................................................................. 5 Tables ................................................................................................................................................... 6 1 Terms and Definitions................................................................................................................... 7 2 Pinout ............................................................................................................................................. 8 3 Absolute Maximum Ratings ....................................................................................................... 11 4 Recommended Operating Conditions....................................................................................... 11 5 Electrical Characteristics ........................................................................................................... 12 6 Efficiency Measurements ........................................................................................................... 19 7 Functional Description ............................................................................................................... 20 7.1 DC_DC Buck Converter ...................................................................................................... 23 7.1.1 Switching Frequency ........................................................................................... 24 7.1.2 Operation Modes and Phase Selection ............................................................... 24 7.1.3 Output Voltage Selection ..................................................................................... 24 7.1.4 Soft Start-Up ........................................................................................................ 25 7.1.5 Current Limit ........................................................................................................ 25 7.1.6 Variable VOUT above 1.57 V .............................................................................. 26 7.2 Ports Description................................................................................................................. 27 7.2.1 VDDIO.................................................................................................................. 27 7.2.2 IC_EN .................................................................................................................. 27 7.2.3 nIRQ..................................................................................................................... 27 7.2.4 GPIO Extender .................................................................................................... 28 7.3 Operating Modes................................................................................................................. 30 7.3.1 ON Mode ............................................................................................................. 30 7.3.2 OFF Mode............................................................................................................ 30 7.4 Control Interfaces................................................................................................................ 30 7.4.1 4-WIRE Communication ...................................................................................... 30 7.4.2 2-WIRE Communication ...................................................................................... 35 7.4.3 Details of the 2-WIRE Control Bus Protocol ........................................................ 36 7.5 Internal Temperature Supervision....................................................................................... 39 8 Register Definitions .................................................................................................................... 40 8.1 Register Map ....................................................................................................................... 40 8.1.1 Register Page Control ......................................................................................... 42 8.1.2 Register Page 0 ................................................................................................... 42 8.1.2.1 System Control and Event ............................................................... 42 |
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