LTC4015 – Multichemistry Buck Battery Charger Controller with Digital Telemetry System




Features

  • Multichemistry Li-Ion/Polymer, LiFePO4, or Lead- Acid Battery Charger with Termination
  • High Efficiency Synchronous Buck Battery Charger
  • Digital Telemetry System Monitors VBAT, IBAT, RBAT,NTC Ratio (Battery Temperature), VIN, IIN, VSYSTEM, Die Temperature
  • Coulomb Counter and Integrated 14-Bit ADC
  • Wide Charging Input Voltage Range: 4.5V to 35V
  • Wide Battery Voltage Range: Up to 35V
  • Input Undervoltage Charge Current Limit Loop
  • Maximum Power Point Tracking
  • Optional I2C Serial Port Control
  • Input Current Limit Prioritizes System Load Output
  • Input and Output Ideal Diodes Provide Low Loss PowerPath™ Operation
  • Instant-On Operation with Discharged Battery

Typical Application

LTC4015 - Multichemistry Buck Battery Charger Controller with Digital Telemetry System

Description

The LTC®4015 is a complete synchronous buck controller/ charger with pin selectable, chemistry specific charging and termination algorithms.

The LTC4015 can charge Li-Ion/Polymer, LiFePO4, or leadacid batteries. Battery charge voltage is pin selectable and I2C adjustable. Input current limit and charge current can be accurately programmed with sense resistors and can be individually adjusted via the I2C serial port. A digital telemetry system monitors all system power parameters.

 

For more detail: LTC4015 – Multichemistry Buck Battery Charger Controller with Digital Telemetry System




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