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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ICS1702 数据表(PDF) 1 Page - List of Unclassifed Manufacturers |
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ICS1702 数据表(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 28 page  ICS1702 QuickSaver® Charge Controller for Nickel-Cadmium and Nickel-Metal Hydride Batteries General Description The ICS1702 is a CMOS device designed for the intelligent charge control of either nickel-cadmium (NiCd) or nickel-metal hydride (NiMH) batteries. The controller uses a pulsed-current charging technique together with voltage slope and/or temperature slope termination. The ICS1702 employs a four stage charge sequence that provides a complete recharge with-out overcharging. The controller has nine user-selectable charge rates and six user- selectable auxiliary modes available for customized charging systems. The ICS1702 monitors for the presence of a battery and begins charging when a battery is installed. Voltage and temperature are measured to ensure a battery is within fast charge conditions before charge is initiated. Applications Battery charging systems for: - Portable consumer electronics - Power tools - Audio/video equipment - Communications equipment - Portable medical electronics - Wireless handsets Features • Multiple charge termination methods include: - Voltage slope - Temperature slope - Maximum temperature - Charge timer • Four stage charge sequence: - Soft start charge - Fast charge - Topping charge - Maintenance charge • Reverse-pulse charging available in all charge stages • Nine programmable charge rates between 15 minutes (4C) and four hours (C/4) • Out-of-temperature range detection - Hot battery: charger shutdown - Cold battery: low current charge • Continuous polling mode for battery detection • Six auxiliary modes include: - Discharge-before-charge - Ten hour C/10 conditioning charge - Direct to C/40 maintenance charge - Charging system test provided through controller • Adjustable open circuit (no battery) voltage reference Block Diagram CHARGE DISCHARGE TEMPERATURE SENSE SELECT CHARGE VOLTAGE SENSE MODE SELECT OPEN CIRCUIT REFERENCE PROCESSOR MICROCODE CONTROL ADC RAM ROM OUTPUT CONTROL 0.5V HOT COLD RESET TERMINATION SELECT TEMPERATURE STATUS LED CHARGE MODE LED MAINTENANCE MODE LED POLLING MODE LED CONTROL CONTROL RC OSCILLATOR QuickSaver ® ® is a registered trademark of Galaxy Power, Inc. |
类似零件编号 - ICS1702 |
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类似说明 - ICS1702 |
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