Specifications

Motor Control
Recommended solutions
www.digikey.com/maxim-industrial 111
Part Description Features Benefits
Voltage supervisors
MAX6381 Single-voltage supervisor Multiple threshold and timeout options Versatile for easy design reuse; SC70 package
saves board space
MAX6495 72V overvoltage protector Protects against transients up to 72V; small 6-pin
TDFN-EP package
Increases system reliability by preventing
component damage from high-voltage transients;
saves space; easy to use
MAX6720 Triple-voltage supervisor Two fixed and one adjustable thresholds Integration shrinks design size and increases
reliability compared to multiple components
MAX6746 Capacitor-adjustable watchdog timer
and reset IC
Capacitor-adjustable timing; 3µA supply current Versatile for easy design reuse; SOT23 package
saves board space
MAX6816/17/18 Single/dual/octal switch debouncers ±15kV ESD (HBM) protection High reliability; easy to use; ESD protection makes
designs more robust
Interface transceivers
MAX14840E High-speed RS-485 transceiver 40Mbps data rates; ±35kV (HBM) ESD tolerance;
3.3V; +125°C operating temperature; small 3mm x
3mm TQFN package
High receiver sensitivity and hysteresis extend
cable lengths in harsh motor-control environments
MAX13448E Fault-protected RS-485 transceiver ±80V fault protected; full-duplex operation; 3V to
5.5V operation
Makes equipment more robust and tolerant to
misconnection faults
MAX14770E PROFIBUS transceiver ±35kV (HBM) ESD protection; -40°C to +125°C
temperature range; small 3mm x 3mm TQFN
package
Industry’s highest ESD protection; makes motor
control more robust
MAX3535E Isolated RS-485 transceiver 3V to 5V operation; 2500V
RMS
isolation; ±15kV ESD
(HBM) protection
Simple solution for isolating data and power supply
MAX253 Transformer driver for isolated power
supply for RS-485/PROFIBUS
interfaces
Single 5V or 3.3V supply; 0.4µA low-current
shutdown mode; pin-selectable 350kHz or 200kHz
frequency; µMAX package
Simple open-loop circuit speeds power-supply
design; shortens time to market
DC-DC converters and controllers
MAX5080/81 Step-down DC-DC converters with
integrated switch
4.5V/7.5V to 40V V
IN
; 1.23V to 32V V
OUT
; switch to
pulse-skip mode at light loads; integrated high-side
switch
Save cost with integrated DC-DC converters that
power directly off an industrial bus
MAX5072 Dual-output buck or boost converter
with integrated switch
4.5V to 5.5V or 5.5V to 23V V
IN
; 0.8V (buck) to 28V
(boost) V
OUT
; configure each output as buck or boost
Improves reliability with controlled inrush current,
thermal shutdown, short-circuit protection
MAX15023 Wide 4.5V to 28V input, dual-output,
synchronous buck controller
4.5V to 28V V
IN
; V
OUT
= 0.6V to 0.85 x V
IN
; hiccup
mode
Thermal shutdown and short-circuit protection for
the system
MAX15034 Single-/dual-output synchronous
buck controller for high-current
applications
4.75V to 5.5V or 5V to 28V V
IN
; V
OUT
= 0.61V to
5.5V; 25A or 50A output
Thermal shutdown and monotonic start protect
devices; improves reliability
MAX15048/49 3-channel DC-DC controllers with
tracking/sequencing
4.7V to 23V V
IN
; V
OUT
= 0.6V to 19V; tracking across
the three outputs; power sequencing
Saves space and cost by integrating three switching
controllers
MOSFET/rectifier drivers
MAX15024/25 FET drivers Single/dual operation; 16ns propagation delay; high
sink/source current; 1.9W thermally enhanced TDFN
package
Simplify design with a very low propagation delay
and a thermally enhanced package
MAX5048
MAX5054–MAX5057
MAX5078
FET drivers 4A to 7.6A; 12ns to 20ns; single/dual MOSFET
drivers
Increase flexibility with inverting/noninverting
inputs to control the MOSFET
For a list of Maxim’s recommended motor-drive solutions, please go to: www.maxim-ic.com/motordrive.
Recommended solutions (continued)