MSK4200 M. S Kennedy, MSK4200 Datasheet - Page 3

• Manufacturer Part Number: MSK4200
• Description: 75 Volt 5 Amp Mosfet H-bridge Pwm Motor Driver/amplifier
• Manufacturer: M. S Kennedy

MSK 4200 PIN DESCRIPTION
VCC - Is the low voltage supply for powering internal
logic and drivers for the lowside and highside MOSFETS.
The supplies for the highside drivers are derived from
this voltage.
V+ - Is the higher voltage H-bridge supply. The MOSFETS
obtain the drive current from this supply pin. The voltage
on this pin is limited by the drive IC. The MOSFETS are
rated at 100 volts. Proper bypassing to GND with suffi-
cient capacitance to suppress any voltage transients, and
to ensure removing any drooping during switching, should
be done as close to the pins on the hybrid as possible.
RSENSE A - This is the connection for the bottom of the A
half bridge. This can have a sense resistor connected to
the V+ return ground for current limit sensing, or can be
connected directly to ground. The maximum voltage on
this pin is ±2 volts with respect to GND.
MOTOR A - Is the output pin for one half of the bridge.
Increasing the input voltage causes increased duty cycles
at this output.
MOTOR B - Is the output pin for the other half of the
bridge. Decreasing the input voltage causes increased
duty cycles at this output.
GND - Is the return connection for the input logic and
Vcc.
RSENSE B - This is the connection for the bottom of the B
half bridge. This can have a sense resistor connected to
the V+ return ground for current limit sensing, or can be
connected directly to ground. The maximum voltage on
this pin is ±2 volts with respect to GND.
INPUT - Is an analog input for controlling the PWM pulse
width of the bridge. A voltage higher than Vcc/2 will
produce greater than 50% duty cycle pulses out of
MOTOR A. A voltage lower than Vcc/2 will produce
greater than 50% duty cycle pulses out of MOTOR B.
APPLICATION NOTES
3
IN
Rev. C 12/07