SI9979 Vishay Siliconix, SI9979 Datasheet - Page 2

• Manufacturer Part Number: SI9979
• Description: 3-Phase Brushless DC Motor Controller
• Manufacturer: Vishay Siliconix

Si9979
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Voltage on Pin 42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V
Voltage on Pins 1-4, 10, 11 . . . . . . . . . . . . . . . .-0.3 V to V
Voltage on Pins 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V to 5.5 V
Voltage on Pins 26, 28, 30, 32, 34, 36 . . . . . . . . . . . . . . . . . . . . . 60 V
Voltage on Pins 27, 31, 35 . . . . . . . . . . . . . . . . . . . . . . . . . . -2 to 50 V
RECOMMENDED OPERATING RANGE
V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +20 to 40 V
S-60752-Rev. D, 05-Apr-99
2
SPECIFICATIONS
Power
Supply Voltage Range
Logic Voltage
Supply Current
Logic Current
Internal Reference
Commutation Inputs (IN
High-State
Low-State
High-State Input Current
Low-State Input Current
Logic Inputs (F/R, EN, QS, PWM, BRK)
High-State
Low-State
High-State Input Current
Low-State Input Current
Outputs
Low-Side Gate Drive, High State
Low-Side Gate Drive, Low State
High-Side Gate Drive, High State
High-Side Gate Drive, Low State
Capacitor Voltage
Low-Side Switching, Rise Time
Low-Side Switching, Fall Time
High-Side Switching, Rise Time
High-Side Switching, Fall Time
Break-Before-Make Time
TACH Output/FAULT Output
TACH Output Pulsewidth
Parameter
d
c
A
, IN
B
, IN
C
, 60/120)
Symbol
V
V
V
V
V
V
V
t
t
V
I
V
V
V
V
V+
BLH
BHL
I
I
GBH
GTH
t
t
DD
REF
I
I
GBL
GTL
CAP
t
t
I+
t
rH
DD
IH
IL
IH
IL
rL
fL
fH
OL
IH
IH
T
IL
IL
DD
Unless Otherwise Specified
T
V+ = 20 to 40 V, I
T
+ 0.3 V
A
A
= -40 to 85 C
= 0 to 70 C
-20 mA
Risetime = 1 to 10 V
Falltime = 10 to 1 V
Test Conditions
DC
I
C
OL
V
V
V+ = 40 V
V
V
L
IH
IH
IL
IL
= 600 pF
= 1.0 mA
Operating Temperature
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150 C
Junction Temperature (T
Power Dissipation (P
R
= 5.5 V
= V
= 0 V
= 0 V
T
I
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 k Min
C Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 70 C
D Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to 85 C
C Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.70 W
D Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.55 W
DD
DD
0 mA
= 0 mA
C Suffix
D Suffix
D
)
Min
J
14.5
300
-20
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 C
4.0
2.0
20
14
a
FaxBack 408-970-5600, request 70012
-40 C to 85 C
Limits
Typ
0.15
-125
100
100
300
600
4.2
-50
4.5
16
16
16
16
55
70
25
40
b
Max
17.5
17.5
0.8
0.1
0.1
0.4
40
1.0
10
10
18
20
www.siliconix.com
a
Units
mA
ns
ns
V
V
V
V
V
V
A
A