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MAX8713 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX8713 Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 / 25 page ![]() Simplified Multichemistry SMBus Battery Charger 6 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VDCIN = VDCSNS = 12V, VBATT = VCSIP = VCSIN = VBST = VLX = 8.4V, GND = PGND = 0, LDO = DLOV, CREF = CLDO = CDLOV = 1µF, CDAC = 0.1µF , VDD = 3.3V. Pins CCI and CCV are compensated per Figure 1. TA = -40°C to +85°C, unless otherwise noted.) (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS TRIP POINTS BATT POWER_FAIL Threshold VDCSNS falling 50 150 mV BATT POWER_FAIL Threshold Hysteresis 50 400 mV SWITCHING REGULATOR RFREQ = 100k Ω 637 862 VBATT = 8.4V RFREQ = 400k Ω 2550 3450 RFREQ = 100k Ω 350 470 Off-Time VBST - VLX = 4.5V VBATT = 11V RFREQ = 400k Ω 1394 1866 ns DLOV Supply Current Charger not switching 10 µA BST Supply Current DHI high 15 µA BST Input Quiescent Current VDCIN = 0V, VBST = 23.5V, VBATT = VLX = 19V 1 µA LX Input Bias Current VDCIN = 28V, VBATT = VLX = 19V 500 µA DHI On-Resistance High VBST =12.9V, VBATT = 8.4V, VDCSNS = 12, DHI= VLX; IDHI = -10mA 14 Ω DHI On-Resistance Low VBST =12.9V, VBATT = 8.4V, VCSNS = 12, DHI = VBST; IDHI = +100mA 4 Ω DLO On-Resistance High VDLOV = 4.5V, IDLO = -10mA 14 Ω DLO On-Resistance Low VDLOV = 4.5V, IDLO = +100mA 4 Ω ERROR AMPLIFIERS GMV Amplifier Transconductance ChargingVoltage() = 0x20d0, VBATT = 8.384V 0.0625 0.2500 mA/V GMI Amplifier Transconductance ChargingCurrent() = 0x03e0, VCSIP - VCSIN = 39.68mV 0.5 2.0 mA/V CCI/CCV Clamp Voltage 0.25V < VCCV/I < 2.0V 130 600 mV SMBus INTERFACE LEVEL SPECIFICATIONS SDA/SCL Input Low Voltage VDD = 2.7V to 5.5V 0.8 V SDA/SCL Input High Voltage VDD = 2.7V to 5.5V 2.2 V SDA/SCL Input Bias Current VDD = 2.7V to 5.5V -1 +1 µA SDA, Output Sink Current V(SDA) = 0.4V 6 mA |
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