LT1511 - Constant-Current/ Constant-Voltage 3A Battery Charger with Input Current Limiting

Features
  • Simple Design to Charge NiCd, NiMH and Lithium Rechargeable Batteries—Charging Current Programmed by Resistors or DAC
  • Adapter Current Loop Allows Maximum Possible Charging Current During Computer Use
  • Precision 0.5% Accuracy for Voltage Mode Charging
  • High Efficiency Current Mode PWM with 4A Internal Switch
  • 5% Charging Current Accuracy
  • Adjustable Undervoltage Lockout
  • Automatic Shutdown When AC Adapter is Removed
  • Low Reverse Battery Drain Current: 3µA
  • Current Sensing Can Be at Either Terminal of the Battery
  • Charging Current Soft Start
  • Shutdown Control
Typical Application
Applications
  • Chargers for NiCd, NiMH, Lead-Acid, Lithium
  • Rechargeable Batteries
  • Switching Regulators with Precision Current Limit
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT1511CSW#PBFSW-24C$7.45$6.50
LT1511CSW#TRPBFSW-24C$6.60
LT1511ISW#PBFSW-24I$10.00$8.00
LT1511ISW#TRPBFSW-24I$8.10
Demo Boards
Part NumberDescriptionPrice
DC103ALT1511 | 3A CONSTANT CURRENT/CONSTANT VOLTAGE BATTERY CHARGER$125.00
Datasheet
Application Note
Design Note
Reliability Data
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R324 Reliability Data
LT1511 Footprints and Symbols