Linear Technology LTC4060
Standalone Linear NiMH/NiCd Fast Battery Charger
FEATURES
● Complete Fast Charger Controller for Single, 2-, 3- or 4-Series Cell NiMH/NiCd Batteries● No Firmware or Microcontroller Required
● Termination by –∆V, Maximum Voltage or Maximum Time
● No Sense Resistor or Blocking Diode Required
● Automatic Recharge Keeps Batteries Charged
● Programmable Fast Charge Current: 0.4A to 2A
● Accurate Charge Current: ±5% at 2A
● Fast Charge Current Programmable Beyond 2A with External Sense Resistor
● Automatic Detection of Battery
● Precharge for Heavily Discharged Batteries
● Optional Temperature Qualified Charging
● Charge and AC Present Status Outputs Can Drive LED
● Automatic Sleep Mode with Input Supply Removal
● Negligible Battery Drain in Sleep Mode: <1µA
● Manual Shutdown
● Input Supply Range: 4.5V to 10V
● Available in 16-Lead DFN and TSSOP Packages U APPLICATIO S
● Portable Computers, Cellular Phones and PDAs
● Medical Equipment
● Charging Docks and Cradles
● Portable Consumer Electronics DESCRIPTIO The LTC®4060 is a complete fast charging system for NiMH or NiCd batteries.