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MAX17435 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX17435 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 27 page High-Frequency, Low-Cost SMBus Chargers 2 ______________________________________________________________________________________ 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, CSSP, BATT, CSIP to GND......................... -0.3V to +28V CSIP to CSIN, CSSP to CSSN .............................. -0.3V to +0.3V VCC, SCL, SDA, VAA, EN, ACIN, ITHR, ADAPTLIM, ACOK to GND.................................. -0.3V to +6V PDSL to GND......................................................... -0.3V to +37V GND to PGND ..................................................... -0.3V to +0.3V DHI to LX. .................................................-0.3V to (VBST + 0.3V) BST to LX................................................................. -0.3V to +6V BST to GND........................................................... -0.3V to +34V DLO to PGND..........................................-0.3V to (VLDO + 0.3V) LX to GND ............................................................... -6V to +28V CC, IINP to GND......................................-0.3V to (VLDO + 0.3V) LDO Short Circuit to GND ......................................... Momentary Continuous Power Dissipation (TA = +70NC) 24-Pin, 4mm x 4mm Thin QFN (derate 20.8mW/NC above +70NC) ............................1666mW Operating Temperature Range .......................... -40NC to +85NC Junction Temperature .....................................................+150NC Storage Temperature Range............................ -65NC to +150NC Lead Temperature (soldering, 10s).................................+300NC ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, no load on LDO, VDCIN = VCSSP = VCSSN = 19V, VLX = 0V, VBST - VLX = 5V, VBATT = VCSIP = VCSIN = 16.8V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS INPUT SUPPLIES Adapter Present Quiescent Current (Note 1) IDCIN + ICSSP + ICSSN + IVCC Charging enabled, VADAPTER = 19V, VBATTERY = 16.8V 3 6 mA Charging disabled 1.5 2.2 mA BATT + CSIP + CSIN + LX Input Current VBATT = 16.8V Adapter absent or charger shut down (Note 1) 1.5 F A VBATT = 2V to 19V, adapter present (Note 1) 200 650 DCIN Input Current IDCIN Charger disabled 0.7 1.0 mA VCC Supply Current ICC Charger added 1.5 2.5 mA DCIN Input-Voltage Range for Charger 8 26 V DCIN Undervoltage-Lockout Trip Point for Charger VDCIN falling 7 7.2 V VDCIN rising 7.7 7.9 DCIN Input-Voltage Range 8 24 V CHARGE-VOLTAGE REGULATION Battery Full-Charge Voltage and Accuracy ChargingVoltage() = 0x41A0 16.733 16.8 16.867 V -0.4 +0.4 % ChargingVoltage() = 0x3130 12.516 12.592 12.668 V -0.6 +0.6 % ChargingVoltage() = 0x20D0 8.333 8.4 8.467 V -0.8 +0.8 % ChargingVoltage() = 0x1060 4.15 4.192 4.234 V -1.0 +1.0 % Battery Undervoltage-Lockout Trip Point for Trickle Charge 3 3.5 4 V |
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