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AMIS-4168X Folha de dados(PDF) 9 Page - ON Semiconductor |
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AMIS-4168X Folha de dados(HTML) 9 Page - ON Semiconductor |
9 / 20 page AMIS-4168x Figure 6: Low Power Modes STB change state Power-On Stand-by High Low Act EN change state STB change state 1) Only when Vcc > POR_Vcc 2) INH active for a time = T_GoToSleep 3) Local Wake-up through pin Wake which change state for a time > T_wake_min Remote Wake-up through pin CANL or CANH when dominant for a time >TCANH_min or TCANL_min 4) Mode Change through pins STB and EN is only possible if Vcc > POR_Vcc STB ERR RxD INH EN RTL POR- flag WU- int Vbat Normal Mode High High Act STB ERR RxD INH EN RTL Err- flag Rec. out Vcc Standby Mode Low Low Act STB ERR RxD INH EN RTL Vbat GoTo Sleep Mode Low High Act 2) STB ERR RxD INH EN RTL Vbat Sleep Mode Low Low Hz STB ERR RxD INH EN RTL Vbat WU- int WU- int WU- int WU- int WU- int 1) WU- int 1) EN change state EN, STB change state EN, STB change state Time-out GoToSleep mode Local or Remote Wake-up 3) Power-On Mode Change 4) 7.4 Power-on After power-on (VBAT switched on) the signal on Pin INH will become high and an internal power-on flag will be set. This flag can be read in the power-on standby mode via pin ERRB (STB-B = 1; EN = 0) and will be reset by entering the normal operating mode. 7.5 Protections A current limiting circuit protects the transmitter output stages against short circuit to positive and negative battery voltage. If the junction temperature exceeds a maximum value, the transmitter output stages are disabled and flagged on the ERRB pin. Because the transmitter is responsible for the major part of the power dissipation, this will result in reduced power dissipation and hence a lower chip temperature. All other parts of the IC will remain operating. The Pins CANH and CANL are protected against electrical transients that may occur in an automotive environment. Rev. 4 | Page 9 of 20 | www.onsemi.com |
Nº de peça semelhante - AMIS-4168X |
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Descrição semelhante - AMIS-4168X |
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