MSK4367 M. S Kennedy, MSK4367 Datasheet

MSK4367

Manufacturer Part Number

MSK4367

Description

10 Amp, 38v, 3 Phase Mosfet Dc Brushless Digital Motor Controller

Manufacturer

M. S Kennedy

Datasheet

1.MSK4367.pdf (9 pages)

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4707 Dey Road Liverpool, N.Y. 13088

FEATURES:

DESCRIPTION:

controller is non-input/output isolated, meaning that the grounds between the digital input and the motor control output are

common. It is constructed in a convenient electrically isolated hermetic package. The controller is capable of 10 amps

continuous output current with 55V absolute maximum rated voltage MOSFETs, allowing 38V of maximum motor supply

voltage. Bridge protection features, such as shoot-through and cross conduction protection are provided redundantly by

the gate driver circuitry even though the processor is programmed with sufficient dead time such that shoot-through /

cross conduction will not occur. The digital signal processor controls torque or speed by Field Oriented Control (FOC) of

sinewave output to the motor windings. The processor uses an incremental encoder with index input from the motor

output shaft to track mechanical shaft angle. Internal current sensing measures and controls current in a closed loop

control scheme using FOC to control the current to the motor which is proportional to torque. The controller can also

control speed in a closed loop control scheme by using FOC and utilizes the encoder as the speed feedback element. All

control is accomplished using CAN bus for all communication for command, control and parametric information input. This

eliminates the need for D-A and A-D conversion from the host controller. Current / speed commands, monitoring and all

parametric set up values are input using CAN. Parametric set up values and CAN addressing are all stored in on-board

Flash memory. The MSK 4367 has good thermal conductivity for MOSFET output stage power dissipation due to the

electrically floating and isolated package design that allows direct heatsinking without insulators.

The MSK 4367 is a completely digitally controlled 3 Phase Brushless DC Motor Control Torque or Speed Controller. The

38 Volt Maximum Operating Supply Voltage

55 Volt Absolute Maximum Output Switch Capability

10 Amp Continuous Output Switch Capability

Full Motor Supply Voltage Output Drive Capability

Shoot-Through / Cross Conduction Protection

Sinusoidal Field Oriented Control of Torque or Speed

Incremental Encoder with Index Input Determines Motor Shaft Angle

CAN Bus Digital Communication

Field Programmable Control Parameters Through CAN Stored in Flash Memory

Isolated Package Design for High Voltage Isolation Plus Good Thermal Transfer

Contact MSK for MIL-PRF-38534 Qualification Status

BLOCK DIAGRAM

M.S.KENNEDY CORP.

DIGITAL MOTOR CONTROLLER

MOSFET DC BRUSHLESS

10 AMP, 38V, 3 PHASE

PRELIMINARY

4367

(315) 701-6751

Rev. - 9/11

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