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MB3893A Datasheet(PDF) 3 Page - Fujitsu Component Limited. |
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MB3893A Datasheet(HTML) 3 Page - Fujitsu Component Limited. |
3 / 44 page MB3893A 3 s s s s PIN DESCRIPTION (Continued) Pin No. Symbol I/O Description 1VIN Power supply pin for the charge control unit. 2 CONT O External P-ch MOS FET output control pin. 3 ISENSE + I Charge current detection input pin. 4 ISENSE − I Charge current/voltage detection input pin. 5 DRST I Power supply drop detection reset input pin. 100 k Ω pull-down. 6 CONT5 I Battery voltage measurement setting pin. 100 k Ω pull-down. 7 C1 I POR delay time setting capacitor connection pin. 8GND1 Ground pin. 9 ONOFF1 I REG ON control pin. 100 k Ω pull-up: VCC (edge input) 10 VREF1M O Reference voltage output pin. (Power supply control unit) 11 XON I REG On control pin. 100 k Ω pull-up: VCC (with delay) 12 CR1 I Power supply drop detection judgement capacitor-resistor connection pin. 13 CR2 I Cutoff detection judgement capacitor-resistor connection pin. 14 CONT1 I REG ON control pin. 100 k Ω pull-up: VCC 15 RC1 I XON delay time setting capacitor-resistor connection pin. 470 k Ω pull-up: VCC (XON = LO) 16 VCONT O REG rise signal output pin. 17 ONOFF2 I REG ON control pin. 100 k Ω pull-up: VCC (edge input) 18 POFF I REG OFF control pin. 100 k Ω pull-down (OFF) 19 VFIL O REG reference pin. 20 TEST Testing auxiliary pin. (normally GND connection) 21 VCC2 REG4 power supply pin. 22 OUT4 O REG4 output pin. (2.5 V Typ.) 23 SW1 O Battery voltage measurement output pin. 24 LEDEN I LED input pin. 100 k Ω pull-down (LEDR : “L” = ON, “H” = OFF) 25 LED I LED input pin. 100 k Ω pull-down (LEDG : “H” = ON, “L” = OFF) 26 CONT2 I REG3 On/Off control pin. 470 k Ω pull-up : OUT1 27 OUT3 O REG3 output pin. (2.0 V Typ.) 28 VCC1 REG1, 2, 3 supply pin. 29 OUT1 O REG1 output pin. (2.5 V Typ.) 30 OUT2 O REG2 output pin. (1.8 V Typ.) 31 FULL O Charge state detection signal output pin. (full charge) 32 CHARGE O Charge state detection signal output pin. (charging) 33 VBDET2 O Power supply drop detection output signal pin. |
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