DA9070 datasheet(4/130 Pages) DIALOG

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DA9070

Ultra-Low Quiescent Current PMIC

Datasheet

Revision 3.3

13-Oct-2020

4 of 130

9.4.2

Charge In-Progress ............................................................................................. 45

9.4.3

Pre-charge and Termination Current ................................................................... 45

9.4.4

Fast Charge Current ............................................................................................ 46

9.4.5

CV Voltage Regulation and Termination ............................................................. 46

9.4.6

Charge Done and Recharge................................................................................ 46

9.4.7

Charge Faults ...................................................................................................... 46

9.4.8

Safety Timers....................................................................................................... 47

9.5

USB Powered Operation and Power Path Management .................................................... 48

9.5.1

Under-Voltage Lockout (VDD_PWR_UVLO)....................................................... 48

9.5.2

Sleep Mode.......................................................................................................... 48

9.5.3

VDD_PWR Current Limit (IDD_PWR_LIM) ......................................................... 48

9.5.4

Input Voltage Dynamic Power Management (DPM)............................................ 48

9.5.5

Dynamic Power Path Mode (DPPM) ................................................................... 49

9.5.6

Battery Supplement Mode ................................................................................... 49

9.5.7

Input Over-Voltage Protection (VDD_PWR_OVP) .............................................. 49

9.5.8

VDD_PWR Input Supply Impedance ................................................................... 49

9.6

Power-Cycling ..................................................................................................................... 51

9.6.1

Requested Power-Cycle ...................................................................................... 51

9.6.2

Fault Triggered Power-Cycle ............................................................................... 52

9.7

Standalone Mode ................................................................................................................ 54

9.7.1

Termination and Pre-Charge Current Programming (ITER_CHG) ..................... 54

9.7.2

Input Current Limit Programming (ILIM_PWR) ................................................... 55

9.7.3

Charge Current Programming (ILIM_CHG) ......................................................... 55

9.8

Host and Pushbutton Communication ................................................................................ 56

9.8.1

Watchdog Input and Timer .................................................................................. 57

9.8.2

VDDIO.................................................................................................................. 58

9.8.3

Interrupt Events and Status Control (SYS_FLT, PWR_FLT) .............................. 58

9.8.4

Pushbutton Reset Timer and Reset Output (RIN_N and ROUT_N) ................... 59

9.8.5

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

9.8.6

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

9.9

Buck Regulator.................................................................................................................... 62

9.9.1

Buck Output Voltage Programmability................................................................. 62

9.9.2

Buck Enable and Soft Start Operation................................................................. 62

9.9.3

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

9.9.4

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

9.9.5

Over-Current Protection....................................................................................... 63

9.9.6

Output Under-Voltage Protection ........................................................................ 63

9.9.7

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

9.9.8

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

9.9.9

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

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

9.10.1

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

9.10.2

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

9.10.3

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

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