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MAX1772 - Low-Cost / Multichemistry Battery-Charger Building Block

Features

  • o Input Current Limiting o ±0.5% Output Voltage Accuracy Using Internal Reference (0°C to +85°C) o Programmable Battery Charge Current >4A o Analog Inputs Control Charge Current and Charge Voltage o Monitor Outputs for: Current Drawn from AC Input Source Charging Current AC Adapter Present o Up to 18.2V (max) Battery Voltage o 8V to 28V Input Voltage o >95% Efficiency o 99.99% (max) Duty Cycle for Low-Dropout Operation o Charges Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, etc. MAX1772 T.

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Full PDF Text Transcription

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19-1772; Rev 2; 5/02 Low-Cost, Multichemistry BatteryCharger Building Block General Description Features o Input Current Limiting o ±0.5% Output Voltage Accuracy Using Internal Reference (0°C to +85°C) o Programmable Battery Charge Current >4A o Analog Inputs Control Charge Current and Charge Voltage o Monitor Outputs for: Current Drawn from AC Input Source Charging Current AC Adapter Present o Up to 18.2V (max) Battery Voltage o 8V to 28V Input Voltage o >95% Efficiency o 99.99% (max) Duty Cycle for Low-Dropout Operation o Charges Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, etc. MAX1772 The MAX1772 is a highly-integrated, multichemistry battery-charger control IC that simplifies the construction of accurate and efficient chargers.
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