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ADP3502ASU Datasheet(PDF) 11 Page - Analog Devices |
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ADP3502ASU Datasheet(HTML) 11 Page - Analog Devices |
11 / 36 page REV. 0 ADP3502 –11– PIN FUNCTION DESCRIPTION (continued) Pin No. Mnemonic I/O Supply Function 54 BVS Battery voltage sense input for charger. Connect to battery with a separate low current trace 55 NRCAP O VBAT Noise reduction capacitor, 0.1 µF MLCC 56 AGND Analog Ground 57 MVBAT O VBAT Battery voltage divider output. Buffered internally. Connect to baseband ADC. 58 BASE O ADAPTER Base drive output for PNP pass transistor 59 ADAPTER AC Adapter Input 60 ADPSUPPLYI ADAPTER Supply bias current to charging related blocks 61 ISENSE I ADAPTER Charge current sense input 62 PWRONKEY– I VBAT Power ON/OFF key input. Pulled up internally with 140 k Ω. 63 OPT1– I VBAT Optional power ON input. ADP3502 will keep power on when this pin goes low. 64 OPT2– I/O VBAT Optional power ON input. ADP3502 will keep power on when this pin goes low. While the part is powered up, the input is pulled low (GND) internally. Do not con- nect to any supply or signal source. |
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