Specifications

56 Maxim Industrial Solutions
Programmable logic controllers (PLCs)
Recommended solutions
Part Description Features Benefits
Thermal management
DS7505 Low-voltage, precision digital thermometer
and thermostat
±0.5°C accuracy from 0°C to +70°C; 1.7V to
3.7V operation; industry-standard pinout
Industry-standard pinout allows easy
accuracy upgrade and supply voltage
reduction from LM75
MAX6602 5-channel precision temperature monitor Local and four remote digital sensing channels;
±1°C accuracy
Reduces board space compared to five
separate temperature sensors
MAX6509 Resistor-programmable temperature
switches
Resistor-programmable trip temperature; 6-pin
SOT23 package
Simple protection against damage from
overtemperature events
MAX6639 2-channel temperature monitor and PWM
fan controller
Internal and external temperature measurement;
closed-loop RPM control
Closed-loop control over fan speed
minimizes noise and power
Voltage supervisors
MAX16023/24 Battery-backup switchover ICs with
integrated regulated output
Low power; small TDFN package; integrated
regulated output
Conserve power
MAX6381 Single-voltage supervisor Multiple threshold and timeout options Versatile for easy design reuse; saves space
in small modules
MAX6495 72V overvoltage protector Protection against transients up to 72V; small,
6-pin TDFN-EP package
Increases system reliability by preventing
component damage due to high-voltage
transients; saves space; easy to use
MAX6720 Triple-voltage supervisor Two fixed and one adjustable thresholds Integrates three voltage monitors to shrink
design size
MAX6746 Capacitor-adjustable watchdog timer and
reset IC
Capacitor-adjustable timing; 3µA supply current Versatile for easy design reuse; saves space
in small modules
For a list of Maxim's recommended PLC solutions, please go to: www.maxim-ic.com/plc.
Recommended solutions (continued)