ML4425CH Micro Linear, ML4425CH Datasheet - Page 5

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

ELECTRICAL CHARACTERISTICS
LOGIC INPUTS ( BRAKE ) (Note 3)
LOGIC OUTPUTS (VCO/TACH, UV FAULT ) (Note 3)
BACK-EMF SAMPLER
OUTPUT DRIVERS
SUPPLY
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
Note 2: For explanation of states, see Figure 4 and Table 1.
Note 3: The BRAKE and UV FAULT pins each have an internal 4k
SYMBOL
V
I
V
I
DD
I
IH
IL
IH
IL
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
VCO/TACH Output High Voltage
VCO/TACH Output Low Voltage
UV FAULT Output High Voltage
UV FAULT Output Low Voltage
SPEED FB Align Mode Voltage
SPEED FB Ramp Mode Current
SPEED FB Run Mode Current
High Side Driver Output Low Current
High Side Driver Output High Voltage
Low Side Driver Output Low Voltage
Low Side Driver Output High Voltage
Phase C Cross-conduction Lockout Threshold
V
UVLO Threshold
UVLO Hysteresis
DD
Current
PARAMETER
(Continued)
resistor to the internal reference.
V
V
I
I
I
I
State A, C
V
State A, C
State A, C
V
V
I
I
V(I
OUT
OUT
OUT
OUT
HX
LX
IH
IL
PHB
PHB
HX
SENSE
= 1mA
= 0.4V
= –10µA
= 2.4V
= 2V
= –100µA
= 400µA
= –10µA
= 400µA
= V
= 2 V
) = 0V
RT
DD
RT
RT
CONDITIONS
= 5V,
= 5V,
DD
/3
= 5V, V
/3
PHB
= V
C Suffix
C Suffix
C Suffix
DD
C Suffix
C Suffix V
C Suffix
I Suffix
I Suffix
I Suffix
I Suffix
I Suffix V
I Suffix
/2
V
DD
DD
CC
MIN
500
500
–15
–90
–90
2.2
3.4
3.2
0.5
8.8
8.6
30
27
2
– 1.3
– 2.2
– 2.9
V
DD
TYP
125
150
2.4
2.9
0.2
4.5
9.5
32
– 3.0
MAX
10.2
10.3
250
720
750
–30
–27
ML4425
0.8
0.6
5.4
5.6
0.6
1.2
0.7
90
90
15
50
UNITS
mA
mA
mV
mA
mA
mV
nA
nA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
5