STBC02

List of figures

DocID029261 Rev 2

5/39

List of figures

Figure 1: STBC02 application schematic....................................................................................................6

Figure 2: Pin configuration top through view ..............................................................................................8

Figure 3: Battery mode 3 V LDO load transient response........................................................................15

Figure 4: Thermal management ...............................................................................................................15

Figure 5: VIN mode, overvoltage protection .............................................................................................15

Figure 6: Pre-charge to fast charge mode transition threshold ................................................................15

Figure 7: Pre-charge to fast charge mode transition deglitch...................................................................16

Figure 8: Pre-charge to fast charge mode to no charge mode transition .................................................16

Figure 9: Wake-up pin operation ..............................................................................................................16

Figure 10: VIN plug, charging initialization ...............................................................................................16

Figure 11: Wake-up operation, VSYS and LDO rise overview .................................................................17

Figure 12: Wake-up operation, VSYS and LDO rise detail.......................................................................17

Figure 13: VIN plug, charging initialization battery mode to VIN mode transition ....................................17

Figure 14: Shutdown mode entry and exit ................................................................................................17

Figure 15: VBAT to VSYS drop and VSYS to VLDO drop (10 mA)..........................................................18

Figure 16: VBAT to VSYS drop and VSYS to VLDO drop (100 mA)........................................................18

Figure 17: CEN operation .........................................................................................................................18

Figure 18: CEN operation, VIN plug/unplug .............................................................................................18

Figure 19: Smart reset timing diagram .....................................................................................................22

Figure 20: Watchdog timing diagram ........................................................................................................23

Figure 21: Single wire programming (SW_SEL INPUT) ...........................................................................25

Figure 22: Start and stop timing bit range.................................................................................................26

Figure 23: STBC02 block diagram............................................................................................................27

Figure 24: Charging flowchart...................................................................................................................30

Figure 25: End-of-charge flowchart ..........................................................................................................31

Figure 26: CC/CV charging profile (not in scale) ......................................................................................31

Figure 27: Flip Chip 30 (2.59x2.25 mm) package outline.........................................................................35

Figure 28: Flip Chip 30 (2.59x2.25 mm) recommended footprint .............................................................36