OM9371 International Rectifier Corp., OM9371 Datasheet - Page 12

• Manufacturer Part Number: OM9371
• Description: Full-featured Power Module For Direct Drive Of 3-phase Brushless Dc Motors
• Manufacturer: International Rectifier Corp.

FROM MOTOR HALL SENSORS
CURRENT_COMMAND
+15V
H3
H2
H1
1k
3.24k
3.24k
OFFSET
Fig 5: Implementation of a Current-Mode Controller
35.6k
.26uF
1800pF
43k
4700pF
205 Crawford Street, Leominster, MA 01453 USA [phone] FAX [phone]
10uF
.1uF
+
232
232
.1uF
2k
10k
.1uF
Visit Our Web Site at www.omnirel.com
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2
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2.1 - 12
Vcc
EA1-
EA2+
EA1+
VREF
EA2-
EA2_OUT
EA1_OUT
PWM_IN
OSCILLATOR
I_SENSE
ISH
ISL
QUAD_SEL
TACH_OUT
BRAKE
OV_COAST
SOFT_START
GROUND
H3_HALL_INPUT
H2_HALL_INPUT
H1_HALL_INPUT
SPEED_IN
DIRECTION
CSH
CSL
MOTOR_RETURN
MOTOR_RETURN
PHASE_A_OUT
PHASE_A_OUT
PHASE_B_OUT
PHASE_B_OUT
PHASE_C_OUT
PHASE_C_OUT
SOURCE_A
SOURCE_A
SOURCE_B
SOURCE_B
SOURCE_C
V_MOTOR
V_MOTOR
V_MOTOR
N/C
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
C_BUS
+
HALL SENSORS
C_FILT
V_MOTOR
H1
H2
H3
OM9371
MOTOR