ECRI Microelectronics

HMSK4322 military pulse width modulation amplifiers

1. Features

200V volt motor power supply

20A output current converter capability,All N channel, MOS-FET Output bridge type
Internally installed dead time with 2μs
Under-voltage lockout protection
Isolated package design provides high voltage insulation and excellent heat transfer performance
Working for optional three-foot bending


2.Applications of HMSK4322 Brushless Motor Driver

Three-phase brushless DC;Servo controller;Three-phase brushless AC;Cooling fin actuator control;Induction motor control;Air conditioning fan speed control.

3. Description of HMSK4322 Brushless Motor Driver

HMSK4322 is a small volume three-phase bridge with a gate driver, the maximum voltage supply can reach to DC 200V, and have 20A output current, also have the under-voltage lockout protection, internally installed dead time with 2us. Package used by insulation sealing, working for optional three-foot bending is more convenience for user’s choice.
This series of products are made of thick film hybrid integrated process, metal sealed package. Product design and manufacturing meet the requirements of MIL-STD and detailed specifications, the quality level is H-class.

4. Technical Specifications of HMSK4322 Brushless Motor Driver

Table 2 Electrical Characteristic(Complete according to the standard)

No.

Characteristic

( Unless other condition,Vcc=15V±5%

VS=28V±5%

-55℃≤Tc≤125℃)

HMSK4322

Unit

A group

min

max

1

+15V Static current /ICC

Open VCC

1

-

15

mA

2

Drain-source voltage/VDS

Open VCC

1


2

V

3

Leak current/V

Open VCC, INH GND

1


3

mA

4

Input threshold level(High)/V


1

2.2

-

V

5

Input threshold level (Low)/V


1

-

0.8

Us



5. Pin Designations of HMSK4322 Brushless Motor Driver

Table 3 Pin Designations

Pin

Symbol

Designation

Pin

Symbol

Designation

1

VCC

Controlpowersupply

11

COM

Motor supply ground

2

AΦHIN

A channel high-level logical signal input

12

Three-phase bridge C channel output

3

BΦHIN

B channel high-level logical signal input

13

N/C

NULL

4

CΦHIN

C channel high-level logical signal input

14

N/C

NULL

5

AΦLIN

A channel low-level logical signal input

15

Three-phase bridge B channel output

6

FAULT

Fault

16

N/C

NULL

7

CΦLIN

C channel low-level logical signal input

17

N/C

NULL

8

BΦLIN

B channel low-level logical signal input

18

V+

Motor supply(Connect +28V)

9

VSS

Controlpower

ground

19

Three-phase bridge A channel output

10

ITRIP

Current-limiting

20

N/C

NULL


6.Circuit block diagram of HMSK4322 Brushless Motor Driver

Circuit block diagram
Figure 2  Circuit block diagram

7. Typical Connection Diagram of HMSK4322 Brushless Motor Driver

Typical Connection Diagram
Figure 3  HMSK4322 connection diagram

8.Package Specifications of HMSK4322 Brushless Motor Driver

Outline of package is shown in Figure 4:

Package Specifications
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