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DS2778G+ Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS2778G+ Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 45 page  2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with Protector and Optional SHA-1 Authentication _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = +4.0V to +9.2V, TA = -20°C to +70°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DQ, PIO, SDA Output Logic-Low VOL IOL = 4mA 0.4 V DQ, PIO Pullup Current IPU Sleep mode, VPIN = (VDD - 0.4V) 30 100 200 nA DQ, PIO, SDA, SCL Pulldown Current IPD Active mode, VPIN = 0.4V 30 100 200 nA DQ Input Capacitance CDQ 50 pF DQ Sleep Timeout tSLEEP DQ < VIL 2 9 s PIO, DQ Wake Debounce tWDB Sleep mode 100 ms SHA-1 COMPUTATION TIMING (DS2776/DS2778 ONLY) (VDD = +4.0V to +9.2V, TA = 0°C to +70°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Computation Time tCOMP 30 ms ELECTRICAL CHARACTERISTICS: PROTECTION CIRCUIT (VDD = +4.0V to +9.2V, TA = 0°C to +50°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VOV = 1110111b 4.438 4.473 4.508 Overvoltage Detect VOV VOV = 1100011b 4.242 4.277 4.312 V Charge-Enable Voltage VCE Relative to VOV -100 mV Undervoltage Detect VUV Programmable in Control register 0x60h, UV[1:0] = 10 2.415 2.450 2.485 V OC = 11b -60 -75 -90 Overcurrent Detect: Charge VCOC OC = 00b -12.5 -25 -38 mV OC = 11b 80 100 120 Overcurrent Detect: Discharge VDOC OC = 00b 25 38 50 mV SC =1b 240 300 360 Short-Circuit Current Detect VSC SC = 0b 120 150 180 mV Overvoltage Delay tOVD (Note 3) 600 1400 ms Undervoltage Delay tUVD (Note 3) 600 1400 ms Overcurrent Delay tOCD 8 10 12 ms Short-Circuit Delay tSCD 80 120 160 μs Charger-Detect Hysteresis VCD VUV condition 50 mV Test Threshold VTP COC, DOC condition 0.4 1.0 1.2 V DOC condition 20 40 80 Test Current ITST COC condition -45 -60 -95 μA PLS Pulldown Current IPPD Sleep mode 200 400 630 μA Recovery Current IRC VUV condition, max: VPLS = 15V, VDD = 1.4V; min: VPLS = 4.2V, VDD = 2V 3.3 8 13 mA |
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Similar Description - DS2778G+ |
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