MAX1811ESA Maxim Integrated Products, MAX1811ESA Datasheet
MAX1811ESA
Specifications of MAX1811ESA
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MAX1811ESA Summary of contents
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... Charges Single-Cell Li+ Batteries Directly from USB Port o 0.5% Overall Charging Accuracy o Minimal External Components o Input Diode Not Required o Automatic IC Thermal Regulation o Preconditions Near-Depleted Cells o Convenient Power SO-8 Package (1.4W PART MAX1811ESA TOP VIEW TO LOAD SINGLE Li+ CELL SELV TO IN SELI LED GND ...
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USB-Powered Li+ Charger ABSOLUTE MAXIMUM RATINGS IN, BATT, SELI, CHG GND ..............................-0. SELV to GND ...............................................-0. Continuous Power Dissipation (T = +70°C) A 8-Pin SO (derate 17.5mW/°C above +70°C)....................1.4W Short-Circuit Duration.................................................Continuous Stresses beyond those ...
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ELECTRICAL CHARACTERISTICS (V = 4.5V -40°C to +85°C, unless otherwise noted.) (Note1 PARAMETER Input Supply Voltage Input Undervoltage Lockout Input Supply Current Precondition Threshold BATT Regulation Voltage BATT Leakage Current (Input Power Removed) BATT Shutdown Current ...
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USB-Powered Li+ Charger (CHG unconnected 2.2µ +25°C, unless otherwise noted.) BATT A CHARGE CURRENT vs. BATTERY CURRENT 500 450 5. SELV 400 350 SELI IN ...
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PIN NAME Battery Regulation Voltage-Select Input. A low (< 0.8V) selects a 4.1V battery regulation set point. A high 1 SELV (> 2.0V) selects a 4.2V battery regulation set point. Battery Regulation Current-Select Input. A low (< 0.8V) selects a ...
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USB-Powered Li+ Charger Detailed Description Charger-Control Circuitry The voltage/current regulator consists of a voltage con- trol loop, a current control loop, and a thermal control loop (Figure 1). Use the SELV input to set the battery regulation voltage to a ...
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Charging from AC Adapters The MAX1811 also operates from sources other than USB ports. The full charging input voltage range is 4.35V to 6.5V. When charging in the 500mA mode with an AC adapter, rely on the thermal loop to ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products ...