Specifications

41PLCs: Recommended Solutions
Part Description Features Benefits
Thermal Management  
MAX6631 Low-power digital temperature
sensor
±1°C accuracy from 0°C to +70°C,
50µA (max) supply current
Very low-supply current for
minimal impact on system power
usage.
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.
DS18B20 Precision 1-Wire digital
temperature sensor
±0.5°C accuracy; 1-Wire interface;
64-bit, factory-lasered ID code
Connects multiple precision
temperature sensors with less wire
than any competitive solution.
Voltage Supervisors  
MAX16023/24 Battery-backup switchover ICs
with integrated regulated output
Low power, small TDFN package,
integrated regulated output
Retain system configuration data
during brownout.
MAX6381 Single-voltage supervisor Multiple threshold and timeout
options
Versatile for easy design reuse;
saves space in small modules.
MAX6495 72V overvoltage protector Protects 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 thresholds and one
adjustable threshold
Integration shrinks 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.