Part Number Manufacturer / Brand Brife Description Part StatusBattery ChemistryNumber of CellsCurrent - ChargingProgrammable FeaturesFault ProtectionCharge Current - MaxBattery Pack VoltageVoltage - Supply (Max)InterfaceOperating TemperaturePackage / CaseSupplier Device Package
ON Semiconductor IC LI-ION SW CHARGER USB 20WLCSP ActiveLithium-Ion/Polymer1Constant - ProgrammableCurrent, Voltage
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1.45A4.5V6VI²C, USB-30°C ~ 85°C (TA)20-UFBGA, WLCSP20-WLCSP (1.96x1.87)
ON Semiconductor IC LI-ION SW CHARGER USB 20WLCSP ObsoleteLithium-Ion/Polymer1Constant - ProgrammableCurrent, Timer, VoltageOver Temperature, Over Voltage, Short Circuit1.25A4.5V (Max)6VI²C, USB-30°C ~ 85°C (TA)20-UFBGA, WLCSP20-WLCSP (1.96x1.87)
ON Semiconductor IC BATT CHGR LION 1 CELL 20WLCSP Not For New DesignsLithium-Ion/Polymer1Constant - ProgrammableCurrent, Timer, VoltageOver Temperature, Over Voltage, Short Circuit1.45A4.5V (Max)6VI²C, USB-30°C ~ 85°C (TA)20-UFBGA, WLCSP20-WLCSP (1.96x1.87)
ON Semiconductor IC USB SW CHARGER LI-ION 20WLCSP ObsoleteLithium-Ion/Polymer1Constant - ProgrammableCurrent, Timer, VoltageOver Temperature, Over Voltage, Short Circuit1.25A4.5V (Max)6VI²C, USB-30°C ~ 85°C (TA)20-UFBGA, WLCSP20-WLCSP (1.96x1.87)
ON Semiconductor IC LI-ION SW CHARGER USB 20WLCSP Not For New DesignsLithium-Ion/Polymer1Constant - ProgrammableCurrent, Timer, VoltageOver Temperature, Over Voltage, Short Circuit1.25A4.5V (Max)6VI²C, USB-30°C ~ 85°C (TA)20-UFBGA, WLCSP20-WLCSP (1.96x1.87)