MSK4205 M. S Kennedy, MSK4205 Datasheet

MSK4205

Manufacturer Part Number

MSK4205

Description

100 Volt 30 Amp H-bridge Pwm Motor Driver/amplifier

Manufacturer

M. S Kennedy

Datasheet

1.MSK4205.pdf (7 pages)

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4707 Dey Road Liverpool, N.Y. 13088

switchmode amplification in severe operating conditions. The MSK 4205 can be used as a drop in replacement for the

APEX SA03 in applications that do not utilize the thermal limit feature. All of the drive/control circuitry for the lowside and

highside are internal to the device. The clock input stage divides the internal oscillator frequency by two, which provides the

switching frequency of 22.5KHz. An external oscillator may be used to lower the frequency or synchronize multiple ampli-

fiers. Current sensing is provided for each half of the bridge and fixed highside current limit is provided internally. Lowside

current limit is user controlled with the use of an external resistor network. An internal highside charge pump allows 100%

duty cycle. The design is packaged in a hermetic 12 pin bolt down power package.

DESCRIPTION:

FEATURES:

Replaces APEX SA03 PWM Amplifier

100 Volt, 30 Amp Capability

Self-Contained Smart Lowside/Highside Drive Circuitry

Internal PWM Generation, Shoot-through Protection

Grounded Case Allows Direct Heatsinking

Available Fully Screened To MIL-PRF-38534 Class H

Contact MSK for MIL-PRF-38534 Qualification Status

The MSK 4205 is a complete H-Bridge microcircuit intended for use in DC brushed motor control application or Class D

MOTOR CONTROL

REACTIVE LOADS

PIEZO ELEMENTS

M.S.KENNEDY CORP.

EQUIVALENT SCHEMATIC

TYPICAL APPLICATIONS

H-BRIDGE PWM MOTOR

DRIVER/AMPLIFIER

100 VOLT 30 AMP

PIN-OUT INFORMATION

CLK IN

CLK OUT

+PWM

-PWM/RAMP

GND/CASE

ILIM/SHDN

4205

ISENSE B

B OUT

+VS

+VCC

A OUT

ISENSE A

(315) 701-6751

Rev. A 1/09

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