STBC03 Datasheet, PDF (5/34 Pages) STMicroelectronics – Li-Ion linear battery charger with LDO and load switches

STBC03
List of figures
List of figures
Figure 1: STBC03 application schematic....................................................................................................6
Figure 2: Pin configuration top through view ..............................................................................................7
Figure 3: Battery mode 3 V LDO load transient response........................................................................14
Figure 4: Thermal management ...............................................................................................................14
Figure 5: VIN mode, overvoltage protection .............................................................................................14
Figure 6: Pre-charge to fast charge mode transition threshold ................................................................14
Figure 7: Pre-charge to fast charge mode transition deglitch...................................................................15
Figure 8: Pre-charge to fast charge mode to no charge mode transition .................................................15
Figure 9: Wake-up pin operation ..............................................................................................................15
Figure 10: VIN plug, charging initialization ...............................................................................................15
Figure 11: Wake-up operation, VSYS and LDO rise overview .................................................................16
Figure 12: Wake-up operation, VSYS and LDO rise detail.......................................................................16
Figure 13: VIN plug, charging initialization battery mode to VIN mode transition ....................................16
Figure 14: Shutdown mode entry..............................................................................................................16
Figure 15: VBAT to VSYS drop and VSYS to VLDO drop (10 mA)..........................................................17
Figure 16: VBAT to VSYS drop and VSYS to VLDO drop (100 mA)........................................................17
Figure 17: CEN operation .........................................................................................................................17
Figure 18: CEN operation, VIN plug/unplug .............................................................................................17
Figure 19: STBC03 block diagram............................................................................................................23
Figure 20: Charging flowchart...................................................................................................................26
Figure 21: End-of-charge flowchart ..........................................................................................................27
Figure 22: CC/CV charging profile (not in scale) ......................................................................................27
Figure 23: Flip Chip 30 (2.59x2.25 mm) package outline.........................................................................30
Figure 24: Flip Chip 30 (2.59x2.25 mm) recommended footprint .............................................................31
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