SI9978 Datasheet, PDF (2/6 Pages) Vishay Siliconix – Configurable H-Bridge Driver

Si9978
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Voltage on pins 2−7 with respect to ground . . . . . . . . . . . −0.3 to V_DD + 0.3 V
Voltage on pin 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 to 50 V
Voltage on pins 17, 19, 21, 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 to +60 V
Voltage on pins 18, 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −2 to 50 V
RECOMMENDED OPERATING CONDITIONS
V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +20 to 40 V_DC
R_A, R_B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 kW
Operating Temperature (T_A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to +85_C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65 to 150_C
Maximum Junction Temperature (T_J) . . . . . . . . . . . . . . . . . . . . . . . . . . . 150_C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 mW
SPECIFICATIONS
Parameter
Power
Symbol
Test Conditions
Unless Otherwise Specified
V+ = 20 to 40 V
Min^a
Limits
−40 to 85_C
Typ^b
Supply Voltage Range
V+
Logic Voltage
V_DD
Supply Current
I+
Inputs (DIR, PWM, EN, QS, MODE, BRK)
I_DD = 0 mA
20
14.5
16
3
High-State
V_IH
Low-State
V_IL
High-State Input Current
I_IH
Low-State Input Current
I_IL
Outputs
V_IH = V_DD
V_IL = 0 V
4.0
−100
−50
Low-Side Gate Drive, High State
Low-Side Gate Drive, Low State
High-Side Gate Drive, High State
High-Side Gate Drive, Low State
Low-Side Switching, Rise Time
Low-Side Switching, Fall Time
High-Side Switching, Rise Time
High-Side Switching, Fall Time
Break-Before-Make Time
FAULT, CL
FAULT, CL Leakage Current
Protection
V_GBH
V_GBL
V_GTH
V_GTL
t_rL
t_fL
t_rH
t_fH
V_OL
I_OH
S_{A, B} = 0 V
Rise Time = 1 to 10 V
Fall Time = 10 to 1 V
C_L = 600 pF
I_OL = 1 mA
FAULT, CL = V_DD
14
16
14
16
110
50
110
50
250
0.2
Low-Side Undervoltage Lockout
Low-Side Hysteresis
High-Side Undervoltage Lockout
Current Limit
UVLL
V_H
UVLH
S_{A, B} = 0 V
0.8 V_DD
0.8
V_DD−3.3 V
Comparator Input Bias Current
I_IB
Comparator Threshold Voltage
V_TH
T_A = 25_C
−5
−0.2
90
100
85
One Shot Pulse Width
Propagation Delay
R_A, R_B = 100 kW, C_A, C_B = 100 pF
8
10
t_p
R_A, R_B = 100 kW, C_A, C_B = 0.001 mF
80
100
t_pd
C_L = 600 pF
600
Notes:
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Max^a
40
17.5
5
1.0
10
−25
17.5
1
18
1
0.4
10
5
110
115
12
120
Unit
V
mA
V
mA
V
ns
V
mA
V
mA
mV
ms
ns
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Document Number: 70011
S-40804—Rev. E, 26-Apr-04