ADP5091/ADP5092

Data Sheet

Rev. A | Page 26 of 28

+

–

+

–

PA-5R0H224

0.22F

4.7µF

10µF

2V

10µF

22µH

PIEZOELECTRIC

HARVESTER

CR2032

3V

225mAh

10MΩ

10MΩ

10MΩ

R1

R2

10MΩ

200kΩ

PGOOD

LLD

REG_OUT

REG_FB

SYS

BAT

REF

ADP5091

SETSD

SETPG

SETHYST

SETBK

TERM

MINOP

DIS_SW

BACK_UP

CBP

10nF

MPPT

VIN

SW

FROM MCU

TO MCU

REG_D1

REG_D0

VID

PGND

AGND

Figure 47. ADP5091-Based Energy Harvester Circuit with a Piezoelectric Generator as the Harvesting Energy Source, Cooper Bussmann Super Capacitor PA-5R0H224

as the Harvested Energy Storage, and Panasonic Primary Li-Ion Coin Cell CR2032 as the Backup Battery

+

–

+

–

PA-5R0H224

0.22F

4.7µF

1µF

SYS

SYSTEM

LOAD

2V

10µF

AC

TRANSFORMER

22µH

CR2032

3V

225mAh

14.7MΩ

6.34MΩ

11

1kΩ

20kΩ

REG_OUT

REG_FB

SYS

PGOOD

BAT

REF

ADP5092

SETSD

SETPG

SETHYST

SETBK

TERM

MINOP

DIS_SW

BACK_UP

CBP

10nF

MPPT

VIN

SW

FROM MCU

REG_D1

REG_D0

VID

PGND

AGND

REG_GOOD

Figure 48. ADP5092 AC Input Source and PGOOD Function Determines the Time to Enable the System Load