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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) 44 Page - ams AG |
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AS3658 датащи(HTML) 44 Page - ams AG |
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44 / 158 page  www.austriamicrosystems.com Revision 1v13 43 - 157 AS3658 Data Sheet Confidential - Detail ed Descri ption-Power Management Functions VDiode Ideal Diode start voltage 50 mV Vsupply_min Vsupply level for charging current regulation (reduction), to avoid voltage drop on vsupply -6% 3.9 3% V Trickle current (or constant current in linear mode) will be regulated down, if vsupply drops below this level 3.6 4.2 4.5 RSW SINT P-Switch ON resistance 0.10 Ω VSUP_SW=3.6V Table 36. 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 5 dis_batsw_tmp_prot ROM R/W 0 Over temperature protection of battery switch enabled. (If battery switch is in current source mode, charging is stopped if chip temperature exceeds 110º) 1 Over temperature protection of battery switch disabled 7 ext_batsw_en ROM R/W 0 External battery switch disabled (Pin BAT_SW = max(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) Table 37. Battery switch status Bit definitions Addr: 100 Charger status_usb These bits show the status of the battery switch Bit Bit Name Default Access Description 2 batsw_mode NA R 0 Trickle charging (or constant current charging in linear mode), if batsw_on=1. External PMOS switch disabled 1 Switch on Battery switch, if batsw_on=1. External PMOS switch enabled 3 batsw_on NA R 0 Battery switch off 1 Battery switch on (Mode defined by batsw_mode) Table 35. Battery switch parameters Symbol Parameter Min Typ Max Unit Note |
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