ADP5090

Data Sheet

Rev. C | Page 2 of 21

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Typical Application Circuit ............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Absolute Maximum Ratings............................................................ 4

Thermal Resistance ...................................................................... 4

ESD Caution.................................................................................. 4

Pin Configuration and Function Descriptions............................. 5

Typical Performance Characteristics ............................................. 6

Detailed Functional Block Diagram ............................................ 11

Theory of Operation ...................................................................... 12

Cold Startup (VSYS < VSYS_TH, VIn > VIN_COLD) ........................... 12

Boost Regulator (VBAT_TERM > VSYS ≥ VSYS_TH)........................... 12

VIN Open Circuit and MPPT .................................................. 12

Energy Storage Charge Management....................................... 12

Backup Storage Path................................................................... 13

MINOP Function ....................................................................... 13

Disabling Boost........................................................................... 13

Battery Overcharging Protection ............................................. 13

Battery Discharging Protection................................................ 13

Power Good (PGOOD)............................................................. 14

Power Path Working Flow......................................................... 15

Current Limit and Short-Circuit Protection .............................. 15

Thermal Shutdown .................................................................... 15

Applications Information .............................................................. 16

Energy Harvester Selection....................................................... 16

Energy Storage Element Selection ........................................... 16

Inductor Selection ...................................................................... 16

Capacitor Selection .................................................................... 16

Layout and Assembly Considerations ..................................... 17

Typical Application Circuits ......................................................... 18

Factory Programmable Options................................................... 20

Outline Dimensions....................................................................... 21

Ordering Guide .......................................................................... 21

REVISION HISTORY

12/15—Rev. B to Rev. C

Changes to Figure 10, Figure 12, and Figure 13........................... 7

Changes to Power Good (PGOOD) Section............................... 14

Updated Outline Dimensions....................................................... 21

8/15—Rev. A to Rev. B

Changes to Input Peak Current Parameter and BACK_UP

Current Capability Parameter, Table 1........................................... 3

Added Figure 10, Figure 12, Figure 13, and Figure 14;

Renumbered Sequentially................................................................ 7

Changes to Backup Storage Path Section .................................... 13

Added Factory Programmable Options Section and Table 8;

Renumbered Sequentially.............................................................. 20

Changes to Ordering Guide .......................................................... 21

11/14—Rev. 0 to Rev. A

Changes to Figure 25...................................................................... 10

Changes to Battery Discharging Protection Section.................. 12

Changes to Power Good (PGOOD) Section and Table 5

Column Headings........................................................................... 13

Changes to CBP Capacitor Section.............................................. 16

Change to Figure 32 ....................................................................... 18

9/14—Revision 0: Initial Version