DA9210 Datasheet, PDF (2/90 Pages) Dialog Semiconductor – Multi-Phase 12 A DC-DC Buck Converter

DA9210
DA9210 Multi-Phase 12 A DC-DC Buck Converter
Contents
General Description............................................................................................................1
Key Features......................................................................................................................1
Applications.......................................................................................................................1
Contents ............................................................................................................................2
Figures ..............................................................................................................................4
Tables................................................................................................................................5
1 Block Diagram ..............................................................................................................6
2 Pinout...........................................................................................................................7
2.1 Pin Configuration (48 WLCSP).................................................................................7
2.2 Pin Configuration (42 VFBGA)..................................................................................9
3 Absolute Maximum Ratings ......................................................................................... 12
4 Recommended Operating Conditions ........................................................................... 12
5 Typical Current Consumptions..................................................................................... 13
6 Electrical Characteristics............................................................................................. 13
6.1 DC/DC Buck Converter ......................................................................................... 15
6.2 2-WIRE Control Bus ............................................................................................. 16
6.3 4-WIRE Control Bus ............................................................................................. 18
6.4 DVC Interface...................................................................................................... 19
6.5 Power Good and Temperature Supervision.............................................................. 19
7 Typical Characteristics ................................................................................................ 20
8 Functional Description................................................................................................. 33
8.1 DC/DC Buck Converter ......................................................................................... 34
8.1.1 Switching Frequency ............................................................................... 35
8.1.2 Operation Modes and Phase Selection....................................................... 36
8.1.3 Output Voltage Selection.......................................................................... 36
8.1.4 Soft Start-up........................................................................................... 37
8.2 Ports Description.................................................................................................. 38
8.2.1 VDD_IO Rail.......................................................................................... 38
8.2.2 EN_CHIP............................................................................................... 38
8.2.3 GPIO0................................................................................................... 38
8.2.4 VERROR / GPIO1................................................................................... 38
8.2.5 IPHASE / GPIO2..................................................................................... 38
8.2.6 BUCK_CLK / GPIO3 ............................................................................... 39
8.2.7 Digital External Clock Input / GPIO4 .......................................................... 39
8.2.8 OC_PG / nIRQ ....................................................................................... 39
8.3 DA9210 Operating Modes ..................................................................................... 44
8.3.1 ON Mode............................................................................................... 44
8.3.2 OFF Mode............................................................................................. 44
8.3.3 Dual Parallel Mode.................................................................................. 44
8.4 GPIO Extender.................................................................................................... 46
Datasheet
CFR0011-120-00
Revision 2.0
2 of 90
09-Sep-2016
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