IRT HPD-85 High Power DC H-Bridge MOSFET Drive

• High performance H-Bridge Mosfet drive to control DC servo motor / similar

mechanism. • Designed for high-power DC motor (upto 400W max load, DC input ranged

10-30V, continuous current rated at 85A at 25 degrees Celcius, 50 A at 100 degrees Celcius).

• Control input isolated by high frequency opto-couplers. • Upto 100kHz allowable switching PWM frequency. • Current feedback, overcurrent and overheat protection.

Overview The IRATECH HPD-85 provides reliable high performance H-Bridge MOSFET drive which can bed used in various motion control application, typically DC motor servo controller. This module is designed for higher power device (upto 300W max load, and continuous current rated at 85A at 25 degrees Celcius with necessary heatsink and cooling fan).

Specifications General

Product Name IRA HPD-85

Product Family High Power MOSFET drive

Measurement Type Voltage

RoHS Compliant Yes

Operation Specification

Compatitle Logic Voltage 3.3.5.0V

Operating Voltage 10-30V

Max. Continuous load current at 25 degrees Celcius 85A (with necessary heatsink and cooling fan)

Max. Continuous load current at 100 degrees Celcius 50A

Max. Load Power 400W

Logic Levels TTL

Over-current Protection Yes

Switching Frequency Upto 100KHz

Peripherial Connectivity Opto-coupler isolated screw terminal and header connectivity

Physical Specifications

Length 76.7 mm

Width 16.99 mm

Height 25 mm

I/O Connector Screw terminals and headers

Working environment:

No dust, no oil mist and no corrosive air. Working temperature: 0-70oC; Storage temperature: -20 - +80 oC. Humidity:40-90RH. Cooling method: natural air cooling and forced air cooling.

Connection Layout

Gn Po

R L

Jumper to select PMW mode

15V : Power module to generate 12V. VCC: Power module to generate 5V. Gnd : Ground reference PWM:PMW connected to H-Bridge. Dir: Direction selection. Vss: V-Max of the control board. R,L : Connector to DC load (DC motor). Po,GND: Power supplied to board.

MOSFET characteristics