Data Sheet

ADP5090

Rev. C | Page 19 of 21

Figure 35. ADP5090 Based Energy Harvester Circuit with a Piezoelectric Generator as the Harvesting Energy Source,

Shoei Electronics Polyacene Coin Type Capacitor PAS409HR as the Harvested Energy Storage,

and Panasonic Primary Li-Ion Coin Cell CR2032 as the Backup Battery

Figure 36. ADP5090 PGOOD Function Determines the Time to Enable the System Load

4.7µF

4.7µF

22µH

PIEZOELECTRIC

HARVESTER

10MΩ

CR2032

3V

225mAh

10MΩ

20kΩ

PGOOD

SYS

BAT

REF

ADP5090

SETSD

SETPG

TERM

MINOP

DIS_SW

BACK_UP

CBP

10nF

MPPT

VIN

SW

PGND

AGND

PAS409HR

0.03F

3.3V 12µAh

+

–

SYSTEM

LOAD

4.7µF

SYS

+

–

+

–

4.7µF

22µH

SOLAR

HARVESTER

4.7MΩ

CR2032

3V

225mAh

18MΩ

20kΩ

PGOOD

SYS

BAT

REF

ADP5090

SETSD

SETPG

TERM

MINOP

DIS_SW

BACK_UP

CBP

10nF

MPPT

VIN

SW

PGND

AGND