• Complete Charger for Single-Cell Li-Ion orPolymer Batteries

• Integrated Pass Element and Current Sensor 

• No External Blocking Diode Required 

• Low Component Count and Cost

• Programmable Charge Current

• Programmable End-of-Charge Current 

• Charge Current Thermal Foldback for ThermalProtection 

• 2.55V Trickle Charge Threshold 

• 6.8V Input Over-Voltage Protectionfor SGM4056-6.8

• 10.5V Input Over-Voltage Protectionfor SGM4056-10.5 

• 26.5V Maximum Voltage for the Power Input

• Power Presence and Charge Indications 

• Less than 1μA Leakage Current off the BatteryWhen 

  No Input Power Attached or ChargerDisabled 

• Available in Green TDFN-3×3-8L, TDFN-2×3-8L, 

  TDFN-2×2-8L and SOIC-8 (Exposed Pad) Packages