ECRI Microelectronics

MPA5-28 Power drive Component

1. Features

The components are driven by DC/DC converter and motor.

The input PWM signal is electrically isolated from the drive circuit
Inhibit function
Built-in current limiting protection circuit

2. Applications of MPA5-28 Power drive Component

DC motor drive control
Drive the reactive load

3. Descriptions of MPA5-28 Power drive Component

MPA5-28 can provide the load with 5A continuous output current,Module is composed of DC/DC converter and a separate motor drive circuit, built-in isolation circuit, with a prohibited function; input power supply including 28V control power and motor power, input signal TTL wide square wave signal; with small size, System interface is convenient and so on.

4. Technical Specifications of MPA5-28 Power drive Component

Form 1 Electrical characteristics

1)Input control voltage:28V;           Motor power supplyDC:16V-60V

2)Input signal:TTL square wave

3)Input frequency≤45KHZ

4)Inhibit function, Disable threshold level:Low level≤0.8V

High level≥3.6V

5)Current limiting protection

6)Operating temperature:-40℃≤Tc≤85℃

7)Size:80mm×58mm×25mm


5. Lead function description of MPA5-28 Power drive Component

Lead function description
Fig 2  Bottom view

Form 3 Pin Designation(JS1 Socket)

No

symbol

Designation

No

symbol

Designation

1

GND

28V Ground

7

+28V

+28V

2

GND

28V Ground

8

+28V

+28V

3

GND

28V Ground

9

+28V

+28V

4

GND

28V Ground

10

+28V

+28V

5

TTL GND

TTL Ground

11

DIS

Inhibit

6

TTL

TTL Input

12

NC

NC


Form 3 Pin Designation(JS2 Socket)

No

symbol

Designation

No

symbol

Designation

1

VS

Motor supply

7

Vs

Motor supply

2

GND

Power Ground

8

Vs

Motor supply

3

GND

Power Ground

9

GND

Power Ground

4

Aout

A output

10

Aout

A output

5

Aout

A output

11

Bout

B output

6

Bout

B output

12

Bout

B output


6. Circuit block diagram of MPA5-28 Power drive Component

Circuit block diagram

Fig 3  Circuit block diagram

7. Typical Connection Diagram(Fig 5,Unit: mm) of MPA5-28 Power drive Component


Typical Connection Diagram(Fig 5,Unit: mm)
Fig 4
Application notes please refer to the appendix, must read it carefully

Model Series Function Max.Input Vol Max Current
HSA400 Series Pulse Width Modulation Amplifiers BRUSHED DC MOTOR CONTROLLER 80V 5A
HSA06 Series Pulse Width Modulation Amplifiers BRUSHED DC MOTOR CONTROLLER 100V 30A
HSA03 Series Pulse Width Modulation Amplifiers BRUSHED DC MOTOR CONTROLLER 100V 30A
HSA04 Series Military Pulse Width Modulation Amplifiers BRUSHED DC MOTOR CONTROLLER 200V 20A
HMSK4203 High Efficiency Pulse Width Modulation Amplifiers BRUSHED DC MOTOR CONTROLLER 75V 10A
HSA12 Large Current Pulse Width Modulation Amplifiers BRUSHED DC MOTOR CONTROLLER 200V 20A