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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS3658 датащи(PDF) 51 Page - ams AG |
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AS3658 датащи(HTML) 51 Page - ams AG |
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51 / 158 page  Table 42. Charger status Bit definitions Addr:100 Charger status_usb These bits show the status of the USB charger Bit Bit Name Default Access Description www.austriamicrosystems.com Revision 1v13 50 - 157 AS3658 Data Sheet Confidential - Detail ed Descri ption-Power Management Functions Charger Detection: The Charger will be detected by comparison of the V_USB voltage with the Vsupply voltage. If V_USB is 50mV higher than VSupply voltage or V_USB > 4.3V or the USB_ChDet is set to 1. Table 43. USB Charger Characteristics,VUSB=4.3…5.5V; Tamb=–20…+85°C; unless otherwise specified. Symbol Parameter Min Typ Min Unit Note 5 dis_batsw_tmp_prot ROM R/W 0 Overtemperature protection of battery switch enabled. (If battery switch is in current source mode, charging is stopped if chip temperature exceeds 110ºC) 1 Overtemperature protection of battery switch disabled 6 no_charging ROM R/W 0 Normal battery charger operation (usb charger and/or step down charger) 1 USB and Step down charger is supplying VSUPPLY, but battery switch is open. USB charger or external charger regulate to Vchlimit 7 ext_batsw_en ROM R/W 0 External battery switch disabled (Pin BAT_SW= VSUPPLY,VBAT) 1 External battery switch enabled (Pin BAT_SW=0V, if status bits batsw_on=1 and batsw_mode=1. These bits are controlled by the charger state machine) 0 USB_ChDet NA R set to 1 if charger is detected 1 USB_Chact NA R Set to 1 if charger is active 4 Ch_overvoltage NA R Set to 1 if overvoltage on pin VCHARGER is applied Iusbcurrent500mA USBcurrent for 500mA selection 440 470 500 mA Resistor on pin RBias to ground of 220k Ω Iusbcurrent100A USBcurrent for 100mA selection 84 95 104 mA Resistor on pin RBias to ground of 220k Ω Table 41. USB-Charger Bit definitions Addr: 10 USB Charger control This register controls the mode of the USB charger, and the charger state machine Bit Bit Name Default Access Description |
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