FEATURES Wide Input Supply Voltage Range: 4.8V to 20V – 4.2 Version 8.9V to 20V – 8.4 Version 8.9V to 20V – 8.4A Version 500kHz Switching Frequency End-of-Charge Current Detection Output 7 Hour Charge Termination Timer ±1% Charge Voltage Accuracy ±10% Charge Current Accuracy Low 10µA Reverse Battery Drain Current Automatic Battery Recharge Automatic Trickle Charging of Low Voltage Batteries Automatic Sleep Mode for Low Power Consumption Battery Temperature Sensing Stable with Ceramic Output Capacitor Support up to 3A Charge Current 8-Lead SOP and 10-Lead TDFN Packages RoHS Compliant and 100% Lead (Pb)-Free Halogen-FreeAPPLICATIONS Small Notebook Computer Portable DVD Handheld Instruments
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调节恒定电流和恒定电压锂电池充电管理IC解决方案
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DESCRIPTIONThe AP6067 is a constant current, constant voltage Li-Ion battery charger controller that uses a current mode PWM step-down (buck) switching architecture. With a 500kHz switching frequency, the AP6067 provides a small, simple and efficient solution to fast charge one (4.2V) or two (8.4V) cell lithium-ion batteries. The AP6067 charges the battery in three phases: conditioning, constant current, and constant voltage. An external sense resistor sets the charge current with ±10% accuracy. An internal resistor divider and precision reference set the final float voltage to 4.2V per cell with ±1% accuracy. An internal comparator detects the near end-of-charge condition while an internal timer sets the total charge time and terminates the charge cycle. The AP6067 automatically re-starts the charge if the b attery voltage falls below an internal threshold, 4.05V per cell. The AP6067 also automatically enters sleep mode wh en DC supplies are removed. The AP6067 is available in the 8-lead SOP and 10-l ead TDFN packages.
FEATURES Wide Input Supply Voltage Range: 4.8V to 20V – 4.2 Version 8.9V to 20V – 8.4 Version 8.9V to 20V – 8.4A Version 500kHz Switching Frequency End-of-Charge Current Detection Output 7 Hour Charge Termination Timer ±1% Charge Voltage Accuracy ±10% Charge Current Accuracy Low 10µA Reverse Battery Drain Current Automatic Battery Recharge Automatic Trickle Charging of Low Voltage Batteries Automatic Sleep Mode for Low Power Consumption Battery Temperature Sensing Stable with Ceramic Output Capacitor Support up to 3A Charge Current 8-Lead SOP and 10-Lead TDFN Packages RoHS Compliant and 100% Lead (Pb)-Free Halogen-FreeAPPLICATIONS Small Notebook Computer Portable DVD Handheld Instruments
FEATURES Wide Input Supply Voltage Range: 4.8V to 20V – 4.2 Version 8.9V to 20V – 8.4 Version 8.9V to 20V – 8.4A Version 500kHz Switching Frequency End-of-Charge Current Detection Output 7 Hour Charge Termination Timer ±1% Charge Voltage Accuracy ±10% Charge Current Accuracy Low 10µA Reverse Battery Drain Current Automatic Battery Recharge Automatic Trickle Charging of Low Voltage Batteries Automatic Sleep Mode for Low Power Consumption Battery Temperature Sensing Stable with Ceramic Output Capacitor Support up to 3A Charge Current 8-Lead SOP and 10-Lead TDFN Packages RoHS Compliant and 100% Lead (Pb)-Free Halogen-FreeAPPLICATIONS Small Notebook Computer Portable DVD Handheld Instruments
关键词： 车灯恒流IC 电源IC 电子IC 驱动IC MOS
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