MAX1908

PRODUCTION

Low-Cost Multichemistry Battery Chargers

Low-Cost, Highly Integrated, Multichemistry Battery-Charger Control ICs Simplify the Construction of Accurate and Efficient Chargers

Data Sheet (Rev. 5) Product Selection Table
Part Models
2
1ku List Price
Starting From $4.64
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Part Details

  • ±0.5% Output Voltage Accuracy Using Internal Reference (±0.4% for MAX8765A, 2-/3-Cell Only)
  • ±4% Accurate Input Current Limiting
  • ±5% Accurate Charge Current
  • Analog Inputs Control Charge Current and Charge Voltage
  • Outputs for Monitoring
    • Current Drawn from AC Adapter
    • Charging Current
    • AC Adapter Presence
  • Up to 17.6V Battery-Voltage Set Point
  • Maximum 28V Input Voltage
  • > 95% Efficiency
  • Shutdown Control Input
  • Charge Any Battery Chemistry
    • Li+, NiCd, NiMH, Lead Acid, etc.
MAX1908
Low-Cost Multichemistry Battery Chargers
MAX1908, MAX8724, MAX8765: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Product 1
MAX1535
Highly Integrated Level 2 SMBus Battery Chargers
Switching Battery Chargers 3
MAX1909
PRODUCTION Multichemistry Battery Chargers with Automatic System Power Selector
MAX1772
PRODUCTION Low-Cost, Multichemistry Battery-Charger Building Block
MAX1645B
PRODUCTION Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting
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Evaluation Kits

MAX1908EVKIT

Evaluation Kit for the MAX1908

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Features and Benefits

  • Input Current Limiting
  • ±0.5% Battery-Voltage Set-Point Accuracy Using Internal Reference
  • Analog Inputs Control Charge Current and Battery-Voltage Set Point
  • Monitor Outputs for
    • Current Drawn from AC Input Source
    • Charging Current
    • AC Adapter Presence
  • Up to 17.6V Battery-Voltage Set Point
  • +8V to +25V Input Voltage
  • 3A Battery Charge Current
  • Charges Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, etc.
  • Surface-Mount Construction
  • Fully Assembled and Tested

Product Details

The MAX1908 evaluation kit (EV kit) is an accurate and efficient multichemistry battery charger. It uses analog inputs to control charge voltage and current. The EV kit can charge 2 to 4 series lithium-ion (Li+) cells with a current up to 3A. High efficiency is achieved by a buck topology with synchronous rectification. The EV kit provides outputs that can be used to monitor the input current, the battery-charging current, and the presence of an AC adapter.

Applications

  • Handheld Terminals
  • Notebook and Subnotebook Computers
  • PDAs and Other Handheld Devices

MAX8724EVKIT

Evaluation Kit for the MAX8724

Buy Now View Details

Features and Benefits

  • Input Current Limiting
  • ±0.5% Battery-Voltage Set-Point Accuracy Using Internal Reference
  • Analog Inputs Control Charge Current and Battery-Voltage Set Point
  • Monitor Outputs for
    Current Drawn from AC Input Source
    Charging Current
    AC Adapter Presence
  • Up to 17.6V Battery-Voltage Set Point
  • +8V to +25V Input Voltage
  • 3A Battery Charge Current
  • Charges Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, etc.
  • Surface-Mount Construction
  • Fully Assembled and Tested

    • Product Details

    The MAX8724 evaluation kit (EV kit) is an accurate and efficient multichemistry battery charger. It uses analog inputs to control charge voltage and current. The EV kit can charge 2 to 4 series lithium-ion (Li+) cells with a current up to 3A. High efficiency is achieved by a buck topology with synchronous rectification. The EV kit provides outputs that can be used to monitor the input current, the battery-charging current, and the presence of an AC adapter.

    Applications

    • Handheld Terminals
    • Notebook and Subnotebook Computers
    • Personal Digital Assistants (PDAs)
    MAX1908EVKIT
    Evaluation Kit for the MAX1908
    MAX8724EVKIT
    Evaluation Kit for the MAX8724

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