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MAX8731AETI Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX8731AETI Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 32 page SMBus Level 2 Battery Charger with Remote Sense 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VDCIN = VLX = VCSSP = VCSSN = 19V, VBST - VLX = 4.5V, VFBSA = VFBSB = VCSIP = VCSIN = 16.8V, BATSEL = GND = PGND = 0, CLDO = 1µF, VCC = LDO, CREF = 1µF, CDAC = 0.1µF, VDD = 3.3V, ACIN = 2.5V; pins CCI, CCV, and CCS are compensated per Figure 1; TA = 0 °C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DCIN, CSSN, CSIN, FBSA, FBSB to GND..............-0.3V to +28V CSSP to CSSN, CSIP to CSIN, PGND to GND ......-0.3V to +0.3V BST to GND ............................................................-0.3V to +32V BST to LX..................................................................-0.3V to +6V DHI to LX.................................................-0.3V to +(VBST + 0.3)V DLO to PGND..........................................-0.3V to +(LDO + 0.3)V LX to GND .................................................................-6V to +28V CCI, CCS, CCV, DAC, REF, IINP to GND ...........................................-0.3V to (VVCC + 0.3)V VDD, SCL, SDA, BATSEL, ACIN, ACOK, VCC to GND, LDO to PGND ......................................................-0.3V to +6V Continuous Power Dissipation (TA = +70 °C) 28-Pin Thin QFN (derate 20.8mW/ °C above +70°C)........................1666.7 mW Operating Temperature Range ...........................-40 °C to +85°C Junction Temperature ......................................................+150 °C Storage Temperature Range .............................-60 °C to +150°C Lead Temperature (soldering, 10s) .................................+300 °C PARAMETER CONDITIONS MIN TYP MAX UNITS CHARGE-VOLTAGE REGULATION 16.716 16.8 16.884 V ChargingVoltage() = 0x41A0 -0.5 +0.5 % 12.491 12.592 12.693 V ChargingVoltage() = 0x3130 -0.8 +0.8 % 8.333 8.4 8.467 V ChargingVoltage() = 0x20D0 -0.8 +0.8 % 4.150 4.192 4.234 V Battery Full-Charge Voltage and Accuracy ChargingVoltage() = 0x1060 -1.0 +1.0 % Battery Undervoltage-Lockout Trip Point for Trickle Charge 2.5 V CHARGE-CURRENT REGULATION CSIP-to-CSIN Full-Scale Current- Sense Voltage 78.22 80.64 83.06 mV 7.822 8.064 8.306 A RS2, Figure 1 = 10m Ω; ChargingCurrent() = 0x1f80 -3 +3 % 3.809 3.968 4.126 A RS2, Figure 1 = 10m Ω; ChargingCurrent() = 0x0f80 -4 +4 % Charge Current and Accuracy RS2, Figure 1 = 10m Ω; ChargingCurrent() = 0x0080 (128mA) 64 400 mA Charge-Current Gain Error Based on ChargeCurrent() = 128mA and 8.064A -2 +2 % FBSA/FBSB/CSIP/CSIN Input Voltage Range 0 19 V |
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