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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AS3715 데이터시트(PDF) 53 Page - ams AG |
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AS3715 데이터시트(HTML) 53 Page - ams AG |
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53 / 160 page  ams Datasheet, Confidential Page 53 [v1-00] 2014-Sep-10 Document Feedback AS3715 − Detailed Description – Power Management Functions Charger Parameter: Shows the key electrical parameter of the charger and power paths. ICC CC current limit Programmable in 50mA steps 350.. 1500 mA Linear charging mode -10 +10 % IUSB_limit USB input current limit @ 470mA -7% 470 +6% mA VRESUME Resume voltage limit to start charger VBAT falling threshold relative to ChVoltEOC (depending on ChVoltResume) -3.3 or -5.6 % VSUP_min VSUP level for charging current regulation (reduction), to avoid voltage drop on VSUP Trickle current (or constant current in linear mode) will be regulated down, if VSUP drops below this level -6% 3.9 3% V 4.2 4.5 4.7 IREV_OFF Reverse current shut down VSUP_CHG = 5V, VUSB open 5 μA VDiode Ideal Diode start voltage 50 mV RON_BATSW Battery Switch ON-resistance 0.20 Ω Temp Supervision IBATTEMP NTC Bias Current 100kΩ NTC 10kΩ NTC -15% 15 150 +15 % μA XOFF Overvoltage Protection VCHOVH VUSB Overvoltage Detection monitor voltage on VUSB, disable charging beyond this voltage (200mV hysteresis) 6.2 +3% V -3% 6.0 VXOFF_min Minimum XOFF voltage for charger startup 7.5 V VXOFF_REG Regulation voltage for XOFF pin 10 V IXOFF External pull down current on XOFF pin Connect XOFF pin to MOSFET gates only 100 nA Symbol Parameter Conditions Min Typ Max Unit |
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