FAN7388MX [ONSEMI]

625V,可兼容 3.3/5V 输入逻辑,0.65/0.35A 汲/源电流,3 相半桥门极驱动集成电路;
FAN7388MX
型号: FAN7388MX
厂家: ONSEMI    ONSEMI
描述:

625V,可兼容 3.3/5V 输入逻辑,0.65/0.35A 汲/源电流,3 相半桥门极驱动集成电路

PC 驱动 光电二极管 接口集成电路
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April 2016  
FAN7388  
3 Half-Bridge Gate-Drive IC  
Features  
Description  
Floating Channel for Bootstrap Operation to +600 V  
The FAN7388 is a monolithic three half-bridge gate-drive  
IC designed for high-voltage, high-speed driving MOS-  
FETs and IGBTs operating up to +600 V.  
Typically 350 mA / 650 mA Sourcing/Sinking Current  
Driving Capability for All Channels  
3 Half-Bridge Gate Driver  
Fairchild’s high-voltage process and common-mode  
noise canceling technique provide stable operation of  
high-side drivers under high-dv/dt noise circumstances.  
Extended Allowable Negative VS Swing to -9.8 V for  
Signal Propagation at VBS=15 V  
Matched Propagation Delay Time Maximum: 50 ns  
3.3 V and 5 V Input Logic Compatible  
An advanced level-shift circuit allows high-side gate  
driver operation up to VS=-9.8 V (typical) for VBS=15 V.  
Built-in Shoot-Through Prevention Circuit for All  
The UVLO circuits prevent malfunction when VDD and  
VBS are lower than the specified threshold voltage.  
Channels with 270 ns Typical Dead Time  
Built-in Common Mode dv/dt Noise Canceling Circuit  
Built-in UVLO Functions for All Channels  
Output drivers typically source/sink 350 mA / 650 mA,  
respectively, which is suitable for three-phase half-bridge  
applications in motor drive systems.  
Applications  
3-Phase Motor Inverter Driver  
Related Resources  
AN-6076 - Design and Application Guide of Bootstrap  
20-SOIC  
Circuit for High-Voltage Gate-Drive IC  
AN-9052 - Design Guide for Selection of Bootstrap  
Components  
AN-8102 - Recommendations to Avoid Short Pulse  
Width Issues in HVIC Gate Driver Applications  
Ordering Information  
Operating  
Part Number  
Package  
Temperature Range  
Packing Method  
FAN7388MX  
20-SOIC  
-40°C to +125°C  
Tape & Reel  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev. 1.3  
www.fairchildsemi.com  
Typical Application Circuit  
+15V  
Up to 600V  
1
2
VB1 20  
HIN1  
LIN1  
HIN2  
LIN2  
HIN3  
LIN3  
LO3  
VS3  
19  
18  
HO1  
VS1  
VS1  
3
4
5
6
3-Phase  
BLDC Motor  
Q1  
Q3  
Q5  
Controller
LO1 17  
VB2 16  
Q1  
Q3  
IU  
VS1  
Q5  
15  
HO2  
VS2  
3-Phase Inverter  
IV  
7
8
9
14  
13  
VS2  
Q4  
Q6  
Q2  
VS2  
LO2  
VDD  
IW  
VS3  
12  
11  
HO3  
Q4  
Q6  
Q2  
10 VB3  
GND  
VS3  
FAN7388 Rev.00  
Figure 1. 3-Phase BLDC Motor Drive Application  
Internal Block Diagram  
VB1  
UVLO  
HO1  
VS1  
R
R
S
UHIN  
NOISE  
CANCELLER  
Q
HIN1  
HIN2  
VDD  
VDD_UVLO  
UVLO  
SCHMITT  
TRIGGER INPUT  
ULIN  
VDD  
LO1  
DELAY  
HIN3  
LIN1  
LIN2  
LIN3  
GND  
U Phase Driver  
SHOOT-THOUGH  
PREVENTION  
VB2  
HO2  
VS2  
VDD  
VHIN  
VLIN  
V Phase Driver  
W Phase Driver  
LO2  
CONTROL LOGIC  
VB3  
HO3  
VS3  
VDD  
WHIN  
WLIN  
LO3  
FAN7388 Rev.01  
Figure 2. Functional Block Diagram  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev.1.3  
www.fairchildsemi.com  
2
Pin Configuration  
HIN1  
LIN1  
HIN2  
LIN2  
HIN3  
LIN3  
LO3  
VS3  
1
2
20 VB1  
19  
HO1  
3
18 VS1  
4
17 LO1  
VB2  
5
16  
15  
14  
13  
12  
11  
HO2  
VS2  
6
7
LO2  
VDD  
8
HO3  
VB3  
9
GND  
10  
FAN7388 Rev.00  
Figure 3. Pin Configuration (Top View)  
Pin Definitions  
Pin #  
1
Name  
Description  
HIN1  
LIN1  
HIN2  
LIN2  
HIN3  
LIN3  
LO3  
VS3  
Logic input 1 for high-side gate 1 driver  
Logic input 1 for low-side gate 1 driver  
Logic input 2 for high-side gate 2 driver  
Logic input 2 for low-side gate 2 driver  
Logic input 3 for high-side gate 3 driver  
Logic input 3 for low-side gate 3 driver  
Low-side gate driver 3 output  
2
3
4
5
6
7
8
High-side driver 3 floating supply offset voltage  
High-side driver 3 gate driver output  
High-side driver 3 floating supply voltage  
Ground  
9
HO3  
VB3  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
GND  
VDD  
LO2  
VS2  
Logic and all low-side gate drivers power supply voltage  
Low-side gate driver 2 output  
High-side driver 2 floating supply offset voltage  
High-side driver 2 gate driver output  
High-side driver 2 floating supply voltage  
Low-side gate driver 1 output  
HO2  
VB2  
LO1  
VS1  
High-side driver 1 floating supply offset voltage  
High-side driver 1 gate driver output  
High-side driver 1 floating supply voltage  
HO1  
VB1  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev.1.3  
www.fairchildsemi.com  
3
Absolute Maximum Ratings  
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-  
ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-  
tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The  
absolute maximum ratings are stress ratings only. TA=25°C, unless otherwise specified.  
Symbol  
VB  
Parameter  
High-Side Floating Supply Voltage of VB1,2,3  
High-Side Floating Supply Offset Voltage of VS1,2,3  
High-Side Floating Output Voltage  
Low-Side and Logic-fixed Supply Voltage  
Low-Side Output Voltage  
Min.  
-0.3  
Max.  
625.0  
Unit  
V
VS  
VB1,2,3-25  
VS1,2,3-0.3  
-0.3  
VB1,2,3+0.3  
VB1,2,3+0.3  
25.0  
V
VHO1,2,3  
VDD  
VLO1,2,3  
VIN  
V
V
-0.3  
VDD+0.3  
VDD+0.3  
50  
V
Logic Input Voltage (HIN1,2,3 and LIN1,2,3)  
Allowable Offset Voltage Slew Rate  
Power Dissipation(1)(2)(3)  
-0.3  
V
dVS/dt  
PD  
V/ns  
W
1.47  
JA  
Thermal Resistance, Junction-to-ambient  
Junction Temperature  
85  
C/W  
C  
C  
TJ  
+150  
TSTG  
Storage Temperature  
-55  
+150  
Notes:  
1. Mounted on 76.2 x 114.3 x 1.6 mm PCB (FR-4 glass epoxy material).  
2. Refer to the following standards:  
JESD51-2: Integral circuits thermal test method environmental conditions - natural convection  
JESD51-3: Low effective thermal conductivity test board for leaded surface-mount packages.  
3. Do not exceed PD under any circumstances.  
Recommended Operating Conditions  
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended  
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not  
recommend exceeding them or designing to Absolute Maximum Ratings.  
Symbol  
VB1,2,3  
VS1,2,3  
VDD  
Parameter  
High-Side Floating Supply Voltage  
High-Side Floating Supply Offset Voltage  
Supply Voltage  
Min.  
VS1,2,3+10  
6-VDD  
10  
Max.  
VS1,2,3+20  
600  
Unit  
V
V
20  
V
VHO1,2,3  
VLO1,2,3  
VIN  
High-Side Output Voltage  
VS1,2,3  
GND  
VB1,2,3  
VDD  
V
Low-Side Output Voltage  
V
Logic Input Voltage (HIN1,2,3 and LIN1,2,3)  
Ambient Temperature  
GND  
VDD  
V
TA  
-40  
+125  
°C  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev.1.3  
www.fairchildsemi.com  
4
Electrical Characteristics  
VBIAS (VDD, VBS1,2,3)=15.0 V, TA=25C, unless otherwise specified. The VIN and IIN parameters are referenced to  
GND. The VO and IO parameters are referenced to GND and VS1,2,3 and are applicable to the respective outputs  
LO1,2,3 and HO1,2,3.  
Symbol  
Characteristics  
Condition  
Min. Typ. Max. Unit  
LOW-SIDE POWER SUPPLY SECTION  
IQDD  
Quiescent VDD Supply Current  
VLIN1,2,3=0 V or 5 V  
160 350  
500 900  
µA  
µA  
Operating VDD Supply Current for each  
Channel  
IPDD1,2,3  
fLIN1,2,3=20 kHz, rms Value  
VDD Supply Under-Voltage Positive-Going  
Threshold  
VDDUV+  
VDDUV-  
VDDHYS  
VDD=Sweep, VBS=15 V  
VDD=Sweep, VBS=15 V  
VDD=Sweep, VBS=15 V  
7.2  
6.8  
8.2  
7.8  
0.4  
9.0  
8.5  
V
V
V
VDD Supply Under-Voltage Negative-Going  
Threshold  
VDD Supply Under-Voltage Lockout  
Hysteresis  
BOOTSTRAPPED POWER SUPPLY SECTION  
Quiescent VBS Supply Current for each  
IQBS1,2,3  
Channel  
VHIN1,2,3=0 V or 5 V  
50  
120  
µA  
µA  
V
Operating VBS Supply Current for each  
IPBS1,2,3  
Channel  
fHIN1,2,3=20 kHz, rms Value  
VDD=15 V, VBS=Sweep  
VDD=15 V, VBS=Sweep  
400 800  
VBS Supply Under-Voltage Positive-going  
Threshold  
VBSUV+  
7.2  
6.8  
8.2  
7.8  
0.4  
9.0  
8.5  
VBS Supply Under-Voltage Negative-going  
Threshold  
VBSUV-  
V
VBS Supply Under-Voltage Lockout  
Hysteresis  
VBSHYS  
VDD=15 V, VBS=Sweep  
VB1,2,3=VS1,2,3=600 V  
V
ILK  
Offset Supply Leakage Current  
10  
µA  
GATE DRIVER OUTPUT SECTION  
VOH  
VOL  
High-Level Output Voltage, VBIAS-VO  
IO=20 mA  
IO=20 mA  
1.0  
0.6  
V
V
Low-Level Output Voltage, VO  
Output HIGH Short-Circuit Pulsed  
Current(4)  
VO=0 V, VIN=5 V with PW   
<10 µs  
IO+  
IO-  
VS  
250 350  
500 650  
mA  
mA  
VO=15 V, VIN=0 V with PW   
<10 µs  
Output LOW Short-Circuit Pulsed Current(4)  
Allowable Negative VS Pin Voltage for IN  
Signal Propagation to HO  
-9.8 -7.0  
V
LOGIC INPUT SECTION (HIN, LIN)  
VIH  
VIL  
IIN+  
IIN-  
RIN  
Logic "1" Input Voltage  
2.5  
V
V
Logic "0" Input Voltage  
1.0  
Logic "1" Input Bias Current  
Logic "0" Input Bias Current(4)  
Input Pull-Down Resistance  
VIN=5 V  
VIN=0 V  
25  
50  
µA  
µA  
K  
2.0  
100 200 300  
Note:  
4. This parameter is guaranteed by design.  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev.1.3  
www.fairchildsemi.com  
5
Dynamic Electrical Characteristics  
TA=25C, VBIAS (VDD, VBS1,2,3)=15.0 V, VS1,2,3=GND, CLoad=1000 pF unless otherwise specified.  
Symbol  
tON  
Parameter  
Turn-on Propagation Delay  
Turn-off Propagation Delay  
Turn-on Rise Time  
Conditions  
VS1,2,3=0 V  
VS1,2,3=0 V  
Min. Typ. Max. Unit  
130  
150  
50  
220  
240  
120  
80  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
tOFF  
tR  
tF  
Turn-off Fall Time  
30  
MT1  
MT2  
DT  
Turn-on Delay Matching I tON(H) -tOFF(L)  
Turn-off Delay Matching I tOFF(H) -tON(L)  
Dead Time  
I
I
50  
50  
100  
270  
440  
60  
MDT  
Dead-time Matching I tDT1 -tDT2 I  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev.1.3  
www.fairchildsemi.com  
6
Typical Characteristics  
300  
250  
200  
150  
100  
50  
250  
200  
150  
100  
50  
0
0
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 4. Turn-on Propagation Delay vs. Temp.  
Figure 5. Turn-off Propagation Delay vs. Temp.  
120  
100  
80  
60  
40  
20  
0
100  
80  
60  
40  
20  
0
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 6. Turn-on Rise Time vs. Temp.  
Figure 7. Turn-off Fall Time vs. Temp.  
50  
50  
40  
30  
20  
10  
0
40  
30  
20  
10  
0
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 8. Turn-on Delay Matching vs. Temp.  
Figure 9. Turn-off Delay Matching vs. Temp.  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev.1.3  
www.fairchildsemi.com  
7
Typical Characteristics (Continued)  
500  
400  
300  
200  
100  
60  
50  
40  
30  
20  
10  
0
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 10. Dead Time vs. Temp.  
Figure 11. Dead-Time Matching vs. Temp.  
350  
120  
100  
80  
60  
40  
20  
0
300  
250  
200  
150  
100  
50  
0
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 12. Quiescent VDD Supply Current  
vs. Temp.  
Figure 13. Quiescent VBS Supply Current  
vs. Temp.  
1000  
800  
600  
400  
200  
0
1000  
800  
600  
400  
200  
0
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 14. Operating VDD Supply Current vs. Temp.  
Figure 15. Operating VBS Supply Current vs. Temp.  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev. 1.3  
www.fairchildsemi.com  
8
Typical Characteristics (Continued)  
9.0  
8.5  
8.0  
7.5  
7.0  
9.0  
8.5  
8.0  
7.5  
7.0  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 16. VDD UVLO+ vs. Temp.  
Figure 17. VDD UVLO- vs. Temp.  
9.0  
9.0  
8.5  
8.0  
7.5  
7.0  
8.5  
8.0  
7.5  
7.0  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 18. VBS UVLO+ vs. Temp.  
Figure 19. VBS UVLO- vs. Temp.  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
0.60  
0.45  
0.30  
0.15  
0.00  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 20. High-Level Output Voltage vs. Temp.  
Figure 21. Low-Level Output Voltage vs. Temp.  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev. 1.3  
www.fairchildsemi.com  
9
Typical Characteristics (Continued)  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 22. Logic High Input Voltage vs. Temp.  
Figure 23. Logic Low Input Voltage vs. Temp.  
50  
40  
30  
20  
10  
0
-7  
-8  
-9  
-10  
-11  
-12  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Temperature [°C]  
Figure 24. Logic Input High Bias Current vs. Temp.  
Figure 25. Allowable Negative VS Voltage vs. Temp.  
500  
400  
300  
200  
100  
0
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Temperature [°C]  
Figure 26. Input Pull-down Resistance vs. Temp.  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev. 1.3  
www.fairchildsemi.com  
10  
Application Information  
1. Protection Function  
2. Operational Notes  
The FAN7388 is a three half-bridge gate driver with  
internal, typical 270 ns dead-time for the three-phase  
brushless DC (BLDC) motor drive system, as shown in  
Figure 1.  
1.1 Under-Voltage Lockout (UVLO)  
The high- and low-side drivers include under-voltage  
lockout (UVLO) protection circuitry for each channel that  
monitors the supply voltage (VDD) and bootstrap capaci-  
tor voltage (VBS1,2,3) independently. It can be designed  
prevent malfunction when VDD and VBS1,2,3 are lower  
than the specified threshold voltage. The UVLO hystere-  
sis prevents chattering during power supply transitions.  
Figure 29 shows a switching sequence of 120electrical  
commutation for a three-phase BLDC motor drive system.  
The waveforms are idealized: they assumed that the  
generated back EMF waveforms are trapezoidal with flat  
tops of sufficient width to produce constant torque when  
the line currents are perfectly rectangular, 120electrical  
1.2 Shoot-Through Prevention Function  
degrees, with the switching sequence as shown in Figure  
29. The operating waveforms of the wye-connection  
reveal that repeat every 60 electrical degrees, with each  
The FAN7388 has shoot-through prevention circuitry  
monitoring the high- and low-side control inputs. It can  
be designed to prevent outputs of high and low side from  
turning on at same time, as shown Figure 27 and 28.  
60segment being “commutated” to another phase, as  
shown in Figure 29.  
HIN1,2,3/LIN1,2,3  
LIN1,2,3/HIN1,2,3  
Shoot-Through Prevent  
HO1,2,3/LO1,2,3  
After DT  
LO1,2,3/HO1,2,3  
After DT  
FAN7388 Rev.00  
Figure 27. Waveforms for Shoot-Through Prevention  
HIN1,2,3/LIN1,2,3  
LIN1,2,3/HIN1,2,3  
Shoot-Through Prevent  
HO1,2,3/LO1,2,3  
After DT  
LO1,2,3/HO1,2,3  
FAN7388 Rev.00  
Figure 28. Waveforms for Shoot-Through Prevention  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev.1.3  
www.fairchildsemi.com  
11  
Application Information (Continued)  
Elec o  
-30  
0
30  
60  
90  
120  
150  
180  
210  
240  
270  
300  
330  
Input / Output  
HIN / HO1,2,3  
Q5 (HIN3)  
Q1 (HIN1)  
Q3 (HIN2)  
Q5 (HIN3)  
Q6 (LIN2)  
Q2 (LIN3)  
Q4 (LIN1)  
LIN / LO1,2,3  
Phase Current  
IU  
IV  
IW  
Phase Voltage  
VS1  
Phase Back EMF  
VS2  
VS3  
Current Flow  
Direction  
U
V
W
U
V
W
U
V
W
U
V
W
U
V
W
U
V
W
Figure 29. 120Commutation Operation Waveforms for 3-Phase BLDC Motor Application  
Switching Time Diagram  
50%  
HIN1,2,3  
/LIN1,2,3  
50%  
tON(H)  
tOFF(H)  
90%  
tR  
tF  
90%  
HO1,2,3  
10%  
MT1  
10%  
MT2  
90%  
90%  
tOFF(L)  
tON(L)  
LO1,2,3  
10%  
10%  
Figure 30. Switching Time Definition  
© 2008 Fairchild Semiconductor Corporation  
FAN7388 • Rev. 1.3  
www.fairchildsemi.com  
12  
ꢃꢂꢁꢄꢀ“ꢀꢁꢂꢀ  
A
11.930  
11.430  
11.430  
20  
11  
B
ꢅꢁꢆꢀ“ꢀꢁꢃꢀ  
10.922  
8.422  
10.325  
1
10  
PIN ONE  
INDICATOR  
1.27  
C B A  
0.50 TYP  
0.51  
0.35  
1.25 TYP  
1.27 TYP  
M
0.25  
LAND PATTERN RECOMMENDATION  
SEE DETAIL A  
2.65 MAX  
0.33  
0.20  
C
0.10  
C
ꢀꢁꢂꢀ“ꢀꢁꢃꢀ  
SEATING PLANE  
PIN#1 IDENTIFICATION OPTIONS  
20  
0.75  
0.25  
;ꢇꢈꢆƒ  
20  
20  
(R0.10)  
GAGE PLANE  
(R0.10)  
0.25  
ꢄƒ  
ꢀƒ  
SEATING PLANE  
0.40~1.27  
(1.40)  
PIN #1  
INDICATOR  
DETAIL A  
SCALE: 2:1  
PIN #1  
INDICATOR  
PIN #1  
INDICATOR  
NOTES: UNLESS OTHERWISE SPECIFIED  
1
1
1
A) THIS PACKAGE CONFORMS TO JEDEC MS-013.  
OPTION 2  
OPTION 1  
B) ALL DIMENSIONS ARE IN MILLIMETERS.  
C) DIMENSIONS DO NOT INCLUDE MOLD  
FLASH OR BURRS.  
OPTION 3  
HALF MOON & PIN 1  
HALF MOON ONLY  
PIN 1 ONLY  
D) LANDPATTERN RECOMMENDATION IS FSC DESIGN  
E) FILENAME AND REVISION: M20Brev4  
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