Description
SD4056 is a complete constant current/constant voltage linear charger for single-cell Li-ion batteries. its bottom SOP8 package with heat sink and low external component count make it the ideal choice for portable applications Ideal choice. Can work with USB power and adapter power.

FEATUREs
• Programmable charge current up to 1000mA
• No MOSFETs, sense resistors, or blocking diodes required
   Complete SOP package for single-cell Li-Ion batteries
   linear charger
• Constant current/constant voltage operation with no overheating
• Thermal Regulation to Maximize Charge Rate in Hazardous Situations
   Function
• 4.2V Preset Charge Voltage with ±1% Accuracy
• Charge current monitor output for battery power detection
• Automatic recharging
• Dual output of charging status, display of no battery and fault status
• C/10 charge termination
• 55uA supply current in standby mode
• 2.9V trickle charge
• Soft start limits inrush current
• Battery temperature monitoring function
• Available in 8-pin SOP-PP/MSP-PP package.

APPLICATION
• Mobile phone, PDA
• MP3, MP4 player
• Digital camera
• E-dictionary
• GPS
• Portable equipment, various chargers