ECRI Microelectronics

HPW82521 high reliaility pulse width modulation amplifiers

1. Features of HPW82521 Brushless Motor Driver

Replace HPW82521 series of DDC Company

1A, 3A, 10A continuous output current
200V motor supply voltage
Torque control with four quadrants
60/120 phase selection
10KHZ~100KHZ operating frequency

2.Applications of HPW82521 Brushless Motor Driver

Triple-phase brushless motor drive control
Drive the reactive load
Servo Control

3. Descriptions of HPW82521 Brushless Motor Driver

HPW82521  series is a brushless DC motor control module,the module has a complete triple-phase MOSFET bridge inside. The maximum supply voltage of the MOS-FET bridge is 200V, with output current of 1A、3A、10A,Module is composed of Hall sensor inter-face circuit, pulse width modulation circuit, power amplifier circuit, current detection and current feedback interface circuit.
Product design and manufacturing to meet the MIL-STD and detailed specifications of the product requirements, the quality level is H-class

4. Technical Specifications of HPW82521 Brushless Motor Driver

Form 1 HPW82521  electrical characteristics

No

Character

(Unless other wise,

VDR=15V±1%

VCC=5V±0.5%, VDD=5V±0.5%

VEE=-(5V±5%)

VS=56V±3V,ENABLE=0

Input triple Hall TTL square wave signal

40Hz:-55℃≤Tc≤125℃)

HPW-82521N

Unit

Group

Min

Max

1

Control supply VDR

Static current/IDR

No load

1、2、3

-

40

mA

2

Control supply VDD      Static current /IDD

No load

1、2、3

-

50

mA

3

Control supply VEE      Static current /IEE

No load

1、2、3

-

50

mA

4

Bias current/IOFFSET

No load

1

-300

+300

mA

5

Speed signal low level/VOL

RL=18Ω±2Ω(△connect)

1

0.7

1.2

V

6

Working frequency /fcp

RL=18Ω±2Ω(△ connect )

4

10

55

KHZ

7

PWM Positive peak voltage/Vp+

No load

1

2.3

2.8

A

8

PWM Negative peak voltage /Vp-

No load

1

-2.5

-2.3

mA

9

Duty cycle/D

No load

1

49

51

%


5. Lead function descriptions(Fig 2, Fig3) of HPW82521 Brushless Motor Driver


Fig 2 upward view

No

symbol

Designation

No

symbol

Designation

1

VBUS+A

A channel Power supply

23

COMMAND OUT

Current control signal output

2

VBUS+A

A channel Power supply

24

ERROR AMP OUT

Error amplifier output

3

PHASE A

A channel Output

25

ERROR AMP IN

Error amplifier input

4

PHASE A

A channel Output

26

CMO

Current monitor output

5

VBUS+B

B channel Power supply

27

N/C

N/C

6

VBUS+B

B channel Power supply

28

N/C

N/C

7

PHASE B

B channel Output

29

VEE

VEE power

8

PHASE B

B channel Output

30

Supply GND

Control ground

9

VBUS-

Power supply Ground

31

VDD

VEE power

10

VBUS-

Power supply Ground

32

SYNC IN

Synchronize input

11

RS+

Current sampling

33

VDR

VDR power

12

RS+

Current sampling

34

VCC RTN

VCC power ground

13

VBUS+C

C channel Power supply

35

VCC

VCC

14

VBUS+C

C channel Power supply

36

ENABLE

Enable

15

PHASE C

C channel Output

37

HALL C

Hall signal C

16

PHASE C

C channel Output

38

HALL A

Hall signal A

17

CASE GND

Case ground

39

HALL B

Hall signal B

18

PWM IN

PWM Input

40

DIR OUT

Direction out

19

PWM OUT

PWM Output

41

TACH OUT

Count output

20

COMMAND  GND

Current control     signal ground




21

COMMAND  IN+

Positive current     control signal




22

COMMAND   IN-

Negative current    control signal





6 Circuit block diagram of HPW82521 Brushless Motor Driver


Circuit block diagram
Fig 2  Single-circuit block diagram

7. Typical Connection Diagram of HPW82521 Brushless Motor Driver

Typical Connection Diagram
Fig 3 HPW82521 connection diagram

Notes:VCC:+5V, VDD=+5V, VEE=-5V, VDR=+15V, VBUS=+100V,C12≥100μF /300V
HALLA、HALLB and HALLC phase difference 120°,TTL square wave

8. Package Specifications(Fig 4) of HPW82521 Brushless Motor Driver

Outline of package is shown in Figure 4:
Package Specifications(Fig 4)
Fig 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