DA9073 datasheet(4/130 Pages) DIALOG

4 / 130 page

DA9073

Ultra-Low Quiescent Current PMIC

Datasheet

Revision 3.3

13-Oct-2020

4 of 130

9.3.4

Fast Charge Current ............................................................................................ 44

9.3.5

CV Voltage Regulation and Termination ............................................................. 44

9.3.6

Charge Done and Recharge................................................................................ 45

9.3.7

Charge Faults ...................................................................................................... 45

9.3.8

Safety Timers....................................................................................................... 46

9.4

USB Powered Operation and Power Path Management .................................................... 47

9.4.1

Under-Voltage Lockout (VDD_PWR_UVLO)....................................................... 47

9.4.2

Sleep Mode.......................................................................................................... 47

9.4.3

VDD_PWR Current Limit (IDD_PWR_LIM) ......................................................... 47

9.4.4

Input Voltage Dynamic Power Management (DPM)............................................ 47

9.4.5

Dynamic Power Path Mode (DPPM) ................................................................... 48

9.4.6

Battery Supplement Mode ................................................................................... 48

9.4.7

Input Over-Voltage Protection (VDD_PWR_OVP) .............................................. 48

9.4.8

VDD_PWR Input Supply Impedance ................................................................... 48

9.5

Power-Cycling ..................................................................................................................... 50

9.5.1

Requested Power-Cycle ...................................................................................... 50

9.5.2

Fault Triggered Power-Cycle ............................................................................... 51

9.6

Standalone Mode ................................................................................................................ 52

9.6.1

Termination and Pre-Charge Current Programming (ITER_CHG) ..................... 53

9.6.2

Input Current Limit Programming (ILIM_PWR) ................................................... 54

9.6.3

Charge Current Programming (ILIM_CHG) ......................................................... 54

9.7

Host and Pushbutton Communication ................................................................................ 55

9.7.1

Watchdog Input and Timer .................................................................................. 56

9.7.2

VDDIO.................................................................................................................. 57

9.7.3

Interrupt Events and Status Control (SYS_FLT, PWR_FLT) .............................. 57

9.7.4

Pushbutton Reset Timer and Reset Output (RIN_N and ROUT_N) ................... 58

9.7.5

System Status Register ....................................................................................... 60

9.7.6

I2C Programming ................................................................................................. 60

9.8

Buck Regulator.................................................................................................................... 61

9.8.1

Buck Output Voltage Programmability................................................................. 61

9.8.2

Buck Enable and Soft Start Operation................................................................. 61

9.8.3

Power Saving Mode Operation............................................................................ 62

9.8.4

Dynamic Voltage Control ..................................................................................... 62

9.8.5

Over-Current Protection....................................................................................... 62

9.8.6

Output Under-Voltage Protection ........................................................................ 62

9.8.7

Output Over-Voltage Protection .......................................................................... 63

9.8.8

Automatic Output voltage Discharge ................................................................... 63

9.8.9

External Component Selection ............................................................................ 63

9.9

Boost Regulator .................................................................................................................. 64

9.9.1

Startup ................................................................................................................. 64

9.9.2

Switch Node Anti-Ringing .................................................................................... 65

9.9.3

Protection............................................................................................................. 65

9.9.4

Low Output Voltage Settings ............................................................................... 65

9.10 LDO / Load Switches .......................................................................................................... 66

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