8904
3-PHASE BRUSHLESS DC
MOTOR CONTROLLER/DRIVER
ELECTRICAL CHARACTERISTICS at T
A
= +25°C, V
DD
= 5.0 V
Limits
Characteristic
Logic Supply Voltage
Logic Supply Current
Undervoltage Threshold
Load Supply Voltage
Load Supply Current
Thermal Shutdown
Thermal Shutdown Hysteresis
Output Drivers
Output Leakage Current
Total Output ON Resistance
(source + sink + R
S
)
Output Sustaining Voltage
Clamp Diode Forward Voltage
Control Logic
Logic Input Voltage
Logic Input Current
BRAKE Threshold
BRAKE Hysteresis Current
BRAKE Current
DATA Output Voltage
C
ST
Current
C
ST
Threshold
Filter Current
Symbol
V
DD
I
DD
UVLO
V
BB
I
BB
T
J
∆T
J
I
DSX
r
DS(on)
V
DS(sus)
V
F
V
IN(0)
V
IN(1)
I
IN(0)
I
IN(1)
V
BRK
I
BRKL
I
BRK
V
OUT(0)
V
OUT(1)
I
CST
V
CSTH
V
CSTL
I
FILTER
V
BB
= 14 V, V
OUT
= 14 V, sleep mode
V
BB
= 14 V, V
OUT
= 0 V
I
OUT
= 600 mA
V
BB
= 14 V, I
OUT
= I
OUT
(MAX), L = 3 mH
I
F
= 1.0 A
SECTOR DATA, RESET, CLK,
CHIP SELECT, OSC
V
IN
= 0 V
V
IN
= 5.0 V
V
BRK
= 750 mV
Brake set, D2 = 1, I
BRK
= 750 mV
I
OUT
= 500 µA
I
OUT
= -500 µA
Charging
Discharging, V
CST
= 2.5 V
High
Low
Charging
Discharging
Leakage, V
FILTER
= 2.5 V
Filter Threshold
C
D
Current
(C
D1
or C
D2
)
C
D
Current Matching
C
D
Threshold
C
D
Input Leakage
V
FILTERTH
I
CD
—
V
CDTH
I
CDIL
Charging
Discharging
I
CD(DISCHRG)
/I
CD(CHRG)
Test Conditions
Operating
Operating
Sleep mode
Decreasing V
DD
Increasing V
DD
Operating
Operating
Sleep mode
Min.
4.5
—
—
—
—
4.0
—
—
—
—
—
—
—
14
—
—
2.0
—
—
1.5
—
—
—
3.5
-9.0
—
2.25
0.85
-9.0
9.0
—
1.57
-18
32
1.8
2.25
—
Typ.
5.0
7.5
250
3.6
3.9
—
4.0
20
165
20
200
-2.0
1.0
—
1.25
—
—
—
—
1.75
4.0
20
—
—
-10
500
2.5
1.0
-10
10
—
1.85
-20
40
2.0
2.5
—
Max.
5.5
10
500
—
—
14
8.0
30
—
—
300
-15
1.4
—
1.5
0.8
—
-0.5
±1.0
2.0
—
—
1.5
—
-11
—
2.75
1.15
-11
11
±5.0
2.13
-22
48
2.2
2.75
1.0
Units
V
mA
µA
V
V
V
mA
µA
°C
°C
µA
µA
Ω
V
V
V
V
µA
µA
V
µA
µA
V
V
µA
µA
V
V
µA
µA
nA
V
µA
µA
—
V
µA
Continued next page …
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