MAX1879

PRODUCTION

Simple, Efficient, 1-Cell Li+ Pulse Charger

Data Sheet (Rev. 0) Product Selection Table
Part Models
2
1ku List Price
Starting From $1.78
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Part Details

  • Simple Design Minimizes Heat
  • Low Component Count, No Inductor
  • Battery-Full Indicator
  • 0.75% Accurate Battery Regulation
  • 1.5µA (max) Battery Current Drain with Wall Cube Removed
  • Restart Charging at 4.0V
  • Continuous Overvoltage and Overtemperature Protection
  • Safely Precharges Near-Dead Cells
  • Automatic Power-Down when Power Source is Removed
  • Charges 1 Cell from as Low as 4.5V
  • Pin-Compatible Upgrade to MAX1679
MAX1879
Simple, Efficient, 1-Cell Li+ Pulse Charger
MAX1879: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 3

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Hardware Ecosystem

Parts Product Life Cycle Description
Pulse Battery Chargers 1
MAX1736
PRODUCTION SOT23, Single-Cell Li+ Battery Charger for Current-Limited Supply
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Evaluation Kits

MAX1879EVKIT

Evaluation Kit for the MAX1879

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Features and Benefits

  • Simple Stand-Alone Li+ Charger
  • Low Power Dissipation
  • Safely Precharges Over-Discharged Cells
  • Top-Off Charging to Achieve Full Battery Capacity
  • 8-Pin µMAX® Package
  • Surface-Mount Construction
  • Fully Assembled and Tested

    • Product Details

    The MAX1879, in conjunction with a P-channel MOSFET and a current-limited wall-mount adapter with an output voltage between +4.7V to +20V, allows safe and quick charging of a single lithium-ion (Li+) cell.

    The MAX1879 evaluation kit (EV kit) is a complete, fully assembled and tested Li+ battery charger. Jumpers on the EV kit allow easy adjustment to a +4.1V or +4.2V battery regulation voltage. A light-emitting diode (LED) indicates the cell's charging status.

    Applications

    • Cell Phones
    • Consumer Audio
    • Cordless Phones
    • Digital Still Cameras
    • Global Positioning Systems (GPS)
    • Pagers
    • Palmtops, Handy Terminals
    • Pen Entry Palmtops, PDAs and Organizers
    • Smart Battery Packs/Chargers
    MAX1879EVKIT
    Evaluation Kit for the MAX1879

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