Specifications

111Environmental Automation: Recommended Solutions
Control Panels and Displays
Part Description Features Benefits
Touch-Screen Controllers
MA X11800, MAX11802 Resistive touch-screen controller
with SPI interface
4-wire touch interface with ±8kV
ESD on inputs and extended
temperature range for high
reliability, processes touches to
minimize system interrupts
Minimize overhead on system
microprocessor.
Switch Debouncers
MAX16054 Switch debouncer with high ESD
protection in single/dual/octal
configurations
±25V fault protection, ±15kV ESD
protection, -40°C to +125°C
Enhances safety by eliminating
false inputs.
LED Drivers
MAX6979 16-port LED driver with fault
detection and watchdog
Constant current drive up to 55mA,
25Mbps 4-wire serial interface,
detects open LEDs, blanks display
if watchdog timeout
Enhances safety by assuring
properly displayed data.
MAX6966, MAX6967 10-port LED driver with PWM
intensity control
PWM phase spreading smooths
load current, unused ports can be
GPIOs
Optimize performance of LED
displays with PWM dimming as
needed in elevators.
High Brightness LED Drivers
MAX16814 4-channel high-brightness LED
driver
Accepts 4.75V to 40V DC input,
switch-mode converter keeps
efficiency high, 20mA to 150mA
LED string current
Simplifies design of backlighting
solutions for control panels and
other applications with built-in
fault detections and dimming.
MAX16821 High-power synchronous HB LED
drivers with rapid current pulsing
Up to 30A output current, on up to
28V DC supply, flexible switching
architecture, average current-
mode control
Allows rapid LED pulsing
for emergency strobe light
applications while minimizing
component count.
Energy Harvesting
Part Description Features Benefits
Energy-Harvesting Charger
MAX17710 Energy-harvesting charger and
protector
Complete power-management IC
boosts input from small energy
harvesting transducers and
charges battery
Allows wireless systems to use
rechargeable batteries to reduce
maintenance.
Energy Measurement
78M6618 Octal energy measurement IC < 0.5% Wh accuracy over 2000:1
current range, power factor
measurement
Simplifies task of accurately
measuring energy.
78M6613 Single-phase energy measurement
IC
<0.5% Wh accuracy over 2000:1
current range, power factor
measurement
Simplifies task of accurately
measuring energy.