HMSK4371 large current pulse width modulation amplifiers

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Max.Input Vol : 500V
Function : BLDC MOTOR CONTROLLER
Max Current : 30A

Product Detail

1. Features

Replacement with MSK4371 of MSK Company
Continuous output current: 30A
Motor power voltage: 500V
Torque control of four-quadrant
60/120 phase selection
Inhibition function

2. Applications of HMSK4371 Brushless Motor Driver

Three-phase brushless motor drive control
Driven reaction load
Servo control

3. Description of HMSK4371 Brushless Motor Driver

HMSK4371 is a exclusive module for brushless DC motor, module inside have the integrated three-phase MOSFET bridge, the MOSFET bridge can provide the maximum 500V power supply voltage the maximum output current is 30A. The module is consisted of HALL sensor interface circuit, PWM, power amplifier, current detection and current feedback interface and so on.
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 HMSK4371 Brushless Motor Driver

Table 2 Electrical Characteristic（Complete according to the standard）

No.	Characteristic	（ Unless other condition，Vcc=15V±5% VS=110V±5% -55℃≤Tc≤125℃）	HMSK4371			Unit
No.	Characteristic		A group	min	max	Unit
1	+15Vpower current/ICC	Speed control GND，empty load，Efficient HALL signal，frequency:40Hz，VH≥3V，VL≤0.8V	1	-	150	mA
1	-15Vpower current /IEE		1	-	40	mA
2	Clock frequency/fcp	Efficient HALL signal，frequency:40Hz，VH≥3V，VL≤0.8V	4\5\6	18.7	25.3	KHZ
3	Reference voltage/VREF	RREF=430Ω	1\2\3	5.82	6.57	V
4	Control voltage transconductance/gm	Efficient HALL signal，frequency:40Hz，efficient current control setup	4	2.7	3.3	A/V
5	Bias current/IOO	Efficient HALL signal，frequency:40Hz，VH≥3V，VL≤0.8V	1	-25	25	MA
6	Current monitoring slope/K	Efficient HALL signal，frequency:40Hz， efficient current control setup	4	0.3	0.367	V/A

5. Pin Designations of HMSK4371 Brushless Motor Driver

Pins leading-out terminal is according to Figure 2, it’s a platform view.

Figure 2 Platform

Table 3 Pin Designations

Pin	Symbol	Designation	Pin	Symbol	Designation
1	VREF	Reference voltage output	23	GND	Ground
2	INHALL A	A phase HALL signal	24	NC	NULL
3	INHALL B	B phase HALL signal	25	NC	NULL
4	INHALL C	C phase HALL signal	26	GNDL	Detection ground
5	CON60/60/120	Phase control	27	GNDP	Power ground
6	CONBRAKE	Motor braking control	28	GNDP	Power ground
7	SYNC	Clock synchronization	29	GNDPC	C phase power ground
8	CONDIS	Enable control	30	GNDPC	C phase power ground
9	GND	Ground	31	OUTC	C phase output
10	NC	NULL	32	OUTC	C phase output
11	NC	NULL	33	VSC	C phase power Drive supply
12	OUTE/A	Error amplifier output	34	GNDPB	B phase power ground
13	INE/A-	Reverse input of error amplifier	35	GNDPB	B phase power ground
14	GND	Ground	36	OUTB	B phase output
15	CON+	Control positive	37	OUTB	B phase output
16	CON-	Control negative	38	VSB	B phase power Drive supply
17	VCC	+15V supply	39	GNDPA	A phase power ground
18	TESTI	Current Detection	40	GNDPA	A phase power ground
19	VEE	-15V supply	41	OUTA	A phase output
20	NC	NULL	42	OUTA	A phase output
21	NC	NULL	43	VSA	A phase power Drive supply
22	NC	NULL			Ground

6. Circuit block diagram of HMSK4371 Brushless Motor Driver

Fig 3 Single-circuit block diagram

7. Typical Connection Diagram of HMSK4371 Brushless Motor Driver

Fig 4 HMSK4371 connection diagram

Note 1: C1=C2≥220μf/500V（choose according to need），C5≥10μf/450V,C6=C7≥10μf/50V,C8=C9=0.1μf±5%/50V;
Note 2: C1=0.01μf±5%/50V，C2= 1μf±5%/50V，C3=0.1μf±5%/50V， R1=1.92KΩ±5%,R2=10 KΩ±5%,R3=1 KΩ±5%;
Note 3: VCC=15V±5%,Vee=-15V±5%,VS=28V±5%
Note 4: 7V≥VCON≥2V
Note 5: HALLA、HALLB,HALLC phase shift 120°，TTL square wave.

8. Package Specifications of HMSK4371 Brushless Motor Driver

Outline of package is shown in Figure 5:

Package Specifications

Table 4 Package outline

Symbols	Data /mm
Symbols	Minimum	Typical	Minimum
A	-	-	10.03
Φb1	0.45	-	0.60
Φb2	0.90	-	1.10
D	-	-	78.99
X1	-	72.39	-
e2	-	2.54	-
e3	-	3.81	-
E	-	-	40.89
Y1	-	47.24	-
Y	-	-	53.59
e1	-	53.34	-
Z	-	-	7.9
L	3.05	-	-

Application Notes please refer to the appendix, must read it carefully.

Tags : Hi Rel Pulse Width Modulation Amplifier Pulse Width Modulation Amplifier BRUSHLESS DC MOTOR Drive

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Product Detail

1. Features

2. Applications of HMSK4371 Brushless Motor Driver

3. Description of HMSK4371 Brushless Motor Driver

4. Technical Specifications of HMSK4371 Brushless Motor Driver

5. Pin Designations of HMSK4371 Brushless Motor Driver

6. Circuit block diagram of HMSK4371 Brushless Motor Driver

7. Typical Connection Diagram of HMSK4371 Brushless Motor Driver

8. Package Specifications of HMSK4371 Brushless Motor Driver

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HMSK4371 large current pulse width modulation amplifiers

Sales HMSK4371 large current pulse width modulation amplifiers

Product Detail

1. Features

2. Applications of HMSK4371 Brushless Motor Driver

3. Description of HMSK4371 Brushless Motor Driver

4. Technical Specifications of HMSK4371 Brushless Motor Driver

5. Pin Designations of HMSK4371 Brushless Motor Driver

6. Circuit block diagram of HMSK4371 Brushless Motor Driver

7. Typical Connection Diagram of HMSK4371 Brushless Motor Driver

8. Package Specifications of HMSK4371 Brushless Motor Driver

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Let's keep in touch!

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