Analog Devices Inc. LT8491 Buck-Boost Battery Charge Controller

Analog Devices Inc. LT8491 Buck-Boost Battery Charge Controller implements a constant-current constant voltage (CCCV) charging profile used for most battery types. This includes sealed lead-acid (SLA), flooded, gel, and lithium-ion. The device operates from input voltages above, below, or equal to the output voltage and is powered by a solar panel or DC power supply.

Features

  • VIN Range: 6V to 80V
  • VBAT Range: 1.3V to 80V
  • Single Inductor Allows VIN Above, Below, or Equal to VBAT
  • Automatic MPPT for Solar Powered Charging
  • Automatic Temperature Compensation
  • I2C Telemetry and Configuration
  • Internal EEPROM for Configuration Storage
  • Operation from Solar Panel or DC Supply
  • Four Integrated Feedback Loops
  • Synchronizable Fixed Frequency: 100kHz to 400kHz
  • 64-Lead (7mm x 11mm x 0.75mm) QFN Package

Applications

  • Solar-Powered Battery Chargers
  • Multiple Types of Lead-Acid Battery Charging
  • Li-Ion Battery Chargers
  • Battery-Equipped Industrial or Portable Military Equipment

Videos

Typical Application

Application Circuit Diagram - Analog Devices Inc. LT8491 Buck-Boost Battery Charge Controller
Publicado: 2020-02-07 | Atualizado: 2022-03-11