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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS3658F-BCTP датащи(PDF) 55 Page - ams AG |
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AS3658F-BCTP датащи(HTML) 55 Page - ams AG |
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55 / 158 page  www.austriamicrosystems.com Revision 1v13 54 - 157 AS3658 Data Sheet Confidential - Detail ed Descri ption-Power Management Functions Figure 20. Typical charging cycle (External linear charger or USB charger) Table 45. Charger Characteristics VVBAT=3.0…5.5V; Tamb=–20…+85°C; unless otherwise specified Symbol Parameter Min Typ Min Unit Note Vchlimit Voltage limit of charger (if not in current limitation mode) -3% ch_volt age 3% V Max. Vsupply voltage VCHARGER VCHARGER operating range 5.0 15.0 V For input voltage higher than 15V see above protection circuit; for chargers with input voltages down to 4.5V see: ‘Application Note for DC/DC Step down Charger for Chargers Supplying 4.5V to 5.5V’ VCHDET Charge adapter detection threshold 50 75 105 mV Hysteresis is > 40mV; for USB and step down charger VCHMIN 020 35 mV VCHMIN_hold Charge adapter detection hold voltage -5 -20 -40 mV Vchdet falling threshold, if VSUPPLY>4.35V for V_USB and VCHARGER, and for V_USB, if usb_hold_chdet=1. Warning: Backcharging is possible if usb_hold_chdet=1 Vchin,max rise Charger adapter overvoltage threshold rising 6.0 6.5 7.0 V ChOVDetEn=’1’ for external linear charger only Vchin,max fall Charger adapter overvoltage threshold falling 6.0 V ChOVDetEn=’1’ for external linear charger only VBAT = 2V VSUPPLY = 4.4V..5.0V VCHARGER = 6V VBAT = Vres_rise (e.g: 3.4V) VSUPPLY = 4.4V...5.0V (isolate_bat=1) VSUPPLY = 4.2V (isolate_bat=0) VBAT = 4.2V IBAT = 0mA IBAT = TrickleCurrent (e.g 200mA) IBAT = ConstantCurrent (e.g 700mA) Constantvoltage EOC CH_DET = 0 CH_DET = 1 NO_CHARGING = 1 NO_CHARGING = 0 I2C Write |
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