MAX1968EUI Maxim Integrated Products, MAX1968EUI Datasheet
MAX1968EUI
Specifications of MAX1968EUI
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MAX1968EUI Summary of contents
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... Separately Adjustable Heating and Cooling Current Limits o ITEC Output Monitors TEC Current o 1% Accurate Voltage Reference o 500kHz/1MHz Switching Frequency o ±3A Output Current (MAX1968 Output Current (MAX1969) o Thermally Enhanced TSSOP-EP Package PART MAX1968EUI MAX1969EUI * EP = Exposed pad. Applications Features Ordering Information TEMP RANGE PIN-PACKAGE -40°C to +85°C 28 TSSOP-EP* -40° ...
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Power Drivers for Peltier TEC Modules ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD SHDN, MAXV, MAXIP, MAXIN, CTLI, FREQ to GND .......................................................-0.3V to +6V COMP, OS1, OS2, CS, REF, ITEC to GND...........................................-0. ...
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Power Drivers for Peltier TEC Modules ELECTRICAL CHARACTERISTICS (continued SHDN = 5V, PGND1 = PGND2 = FREQ = GND, CTLI = MAXV = MAXIP = MAXIN = REF ...
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Power Drivers for Peltier TEC Modules ELECTRICAL CHARACTERISTICS 2 = SHDN = 5V, PGND1 = PGND2 = FREQ = GND, CTLI = MAXV = MAXIP = MAXIN = REF ...
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Power Drivers for Peltier TEC Modules ELECTRICAL CHARACTERISTICS (continued SHDN = 5V, PGND1 = PGND2 = FREQ = GND, CTLI = MAXV = MAXIP = MAXIN = REF ...
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Power Drivers for Peltier TEC Modules ( GND CTLI FREQ LOAD EFFICIENCY vs. TEC CURRENT FREQ = 500kHz ...
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Power Drivers for Peltier TEC Modules ( GND CTLI FREQ SWITCHING FREQUENCY vs. TEMPERATURE 650 630 FREQ = 500kHz V = 1.5V CTLI 610 R = 1Ω TEC 590 570 550 ...
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Power Drivers for Peltier TEC Modules ( GND CTLI FREQ LOAD THERMAL STABILITY, HEATING TEMPERATURE 0.001°C/div T = +25°C TEC T = +5°C A TEMPERATURE 0.001°C/div 8 _______________________________________________________________________________________ Typical Operating Characteristics ...
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Power Drivers for Peltier TEC Modules PIN NAME 1 V Analog Supply Voltage Input DD 2 GND Analog Ground TEC Current Control Input. Sets differential current into the TEC. Center point is 1.50V (no TEC current). 3 CTLI The current ...
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Power Drivers for Peltier TEC Modules REF REF MAXV MAX V V MAXV MAX I MAXIP (V MAXIP (0.15V / R MAX I MAXIN -(V MAXIN (0.15V / R ITEC CTLI COMP GND 10 ______________________________________________________________________________________ ON OFF SHDN FREQ = ...
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Power Drivers for Peltier TEC Modules Detailed Description The MAX1968/MAX1969 TEC drivers consist of two switching buck regulators that operate together to directly control TEC current. This configuration creates a differential voltage across the TEC, allowing bidirec- tional TEC current ...
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Power Drivers for Peltier TEC Modules Setting Voltage and Current Limits Certain TEC parameters must be considered to guaran- tee a robust design. These include maximum positive current, maximum negative current, and the maximum voltage allowed across the TEC. These ...
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Power Drivers for Peltier TEC Modules 3V TO 5.5V 1μF 1μF 1μF 1μF 50kΩ 100kΩ 100kΩ 100kΩ Figure 1. Typical Application Circuit for MAX1968. Circuit is configured for both cooling and heating with an NTC thermistor. Current flowing from OS2 ...
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Power Drivers for Peltier TEC Modules 5.5V 1μF FREQ 1μF PGND1 1μF PGND2 REF 1μF 100kΩ 50kΩ MAXIP MAXIN 100kΩ MAXV CTLI 100kΩ 10μF 0.022μ 0.1μF U2 MAX4475 ...
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Power Drivers for Peltier TEC Modules Applications Information The MAX1968/MAX1969 typically drive a thermoelectric cooler inside a thermal control loop. TEC drive polarity and power are regulated based on temperature informa- tion read from a thermistor, or other temperature-mea- suring ...
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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. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products Package Information PACKAGE OUTLINE, TSSOP, 4 ...