MAX745

PRODUCTION

Switch-Mode Lithium-Ion Battery-Charger

±0.75% Precision Li+ Charger Delivers 4A Without Heating

Part Models
2
1ku List Price
Starting From $6.92

Part Details

  • Charges 1 to 4 Li+ Battery Cells
  • ±0.75% Voltage-Regulation Accuracy Using 1% Resistors
  • Provides up to 4A without Excessive Heating
  • 90% Efficient
  • Uses Low-Cost Set Resistors and N-Channel Switch
  • Up to 24V Input
  • Up to 18V Maximum Battery Voltage
  • 300kHz Pulse-Width Modulated (PWM) Operation
    • Low-Noise, Small Components
  • Stand-Alone Operation—No Microcontroller Needed
MAX745
Switch-Mode Lithium-Ion Battery-Charger
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Hardware Ecosystem

Parts Product Life Cycle Description
Battery Chargers 3
MAX846A PRODUCTION Cost-Saving, Multichemistry, Battery Charger System
MAX1640 PRODUCTION Adjustable-Output, Switch-Mode Current Sources with Synchronous Rectifier
MAX1647 PRODUCTION Chemistry-Independent Battery Chargers
Microcontrollers 1
MAX1782 Advanced Smart Battery-Pack Controller
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