ML4425CH Micro Linear, ML4425CH Datasheet - Page 13

• Manufacturer Part Number: ML4425CH
• Description: Sensorless BLDC Motor Controller
• Manufacturer: Micro Linear

24V–80V
V BUSS
12V
330µF
100V
C2
1µF
C3
2N6718
100nF
100V
Q1
C1
R12
2k
IRFR9120
10k
R2
100nF
Q4
10k
C9
R16
100
R7
100
470m
R5
IRFR120
2N6718
2W
R1
Q2
Q7
Figure 11. Driving Lower Voltage Motors (12 to 80V)
100
2k
R13
R6
C17
1nF
C12
IRFR9120
10k
R3
Q5
12V
10k
787
R18
R21
C14
1µF
2N6718
IRFR120
Q3
Q8
2k
R14
IRFR9120
10k
R4
Q6
100nF
1k
R15
C13
I SENSE
HA
HB
HC
SPEED COMP
C T
V REF
SPEED SET
LA
LB
LC
I LIMIT
VCO/TACH
V DD
IRFR120
Q9
ML4425
2.2nF
C5
UV FAULT
SPEED FB
MOTOR
BRAKE
C VCO
R VCO
GND
C IOS
R REF
FB C
FB B
FB A
C RR
C RT
C AT
C4
1µF
137k
C8
C14
R20
R8 (RES1)
80.5k
R9 (RES1)
10k
330pF
R19
R17
1µF
C16
C6
R10 (RES1)
470nF
100nF
C15
C7
ML4425
RUN
BRAKE
S1
13