FAIRCHILD FAN7081

FAN7081_F085
High Side Gate Driver
Features
Description
• Qualified to AEC Q100
The FAN7081_F085 is a high-side gate drive IC designed for
high voltage and high speed driving of MOSFET or IGBT, which
operates up to 600V. Fairchild's high-voltage process and common-mode noise cancellation technique provide stable operation in the high side driver under high-dV/dt noise
circumstances. An advanced level-shift circuit allows high-side
gate driver operation up to VS=-5V (typical) at VBS=15V. Logic
input is compatible with standard CMOS outputs. The UVLO circuits prevent from malfunction when VCC and VBS are lower
than the specified threshold voltage. It is available with space
saving SOIC-8 Package. Minimum source and sink current
capability of output driver is 250mA and 500mA respectively,
which is suitable for magnetic- and piezo type injectors and general MOSFET/IGBT based high side driver applications.
• Floating channel designed for bootstrap operation up fully
operational to + 600V
• Tolerance to negative transient voltage on VS pin
• dV/dt immune.
• Gate drive supply range from 10V to 20V
• Under-voltage lockout
• CMOS Schmit-triggered inputs with pull-up
• High side output out of phase with input (Inverted input)
Typical Applications
• Diesel and gasoline Injectors/Valves
SOIC-8
• MOSFET-and IGBT high side driver applications
Ordering Information
Device
Package
Operating
Temp.
FAN7081CM
SOIC-8
-40 °C ~ 125 °C
FAN7081CMX
SOIC-8
-40 °C ~ 125 °C
X : Tape & Reel type
©2008 Fairchild Semiconductor Corporation
FAN7081_F085 Rev. 1.0.2
1
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FAN7081_F085 High Side Gate Driver
March 2009
VB
VCC
UV
DETECT
UV
DETECT
HV Level
Shift
PULSE
FILTER
R Q
R
HO
S
PULSE
GEN
IN
VS
COM
Pin Assignments
1
2
3
4
VCC
VB
IN
HO
COM
VS
N.C
N.C
8
7
6
5
Pin Definitions
Pine Number
Pin Name
I/O
1
VCC
P
Driver supply voltage
Pin Function Description
2
IN
I
Logic input for high side gate drive output, out of phase with HO
3
COM
P
Ground
4
NC
-
NC
5
NC
-
NC
6
VS
P
High side floating offset for MOSFET Source connection
7
HO
A
High side drive output for MOSFET Gate connection
8
VB
P
Driver output stage supply
2
FAN7081_F085 Rev. 1.0.2
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FAN7081_F085 High Side Gate Driver
Block Diagrams
Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM.
Symbol
Min.
Max.
Unit
High side floating supply offset voltage
Parameter
VS
VB -25
VB +0.3
V
High side floating supply voltage
VB
-0.3
625
V
High side floating output voltage
VH O
Vs-0.3
VB +0.3
V
Supply voltage
VC C
-0.3
25
V
Input voltage for IN
VIN
-0.3
Vcc+0.3
V
0.625
W
200
°C/W
Power Dissipation
1)
Thermal resistance, junction to ambient
Pd
1)
Rthja
Electrostatic discharge voltage
(Human Body Model)
V ESD
1K
Charge device model
VCDM
500
Junction Temperature
Tj
Storage Temperature
TS
-55
V
V
150
°C
150
°C
Note: 1) The thermal resistance and power dissipation rating are measured bellow conditions;
JESD51-2: Integrated Circuit Thermal Test Method Environmental Conditions - Natural codition(StillAir)
JESD51-3: Low Effective Thermal Conductivity Test Board for Leaded Surface Mount Package
Recommended Operating Conditions
For proper operations the device should be used within the recommended conditions. -40°C <= Ta<=
Parameter
125 °C
Symbol
Min.
Max.
Unit
VB
VS + 10
Vs + 20
V
High side floating supply offset voltage(DC)
VS
-5
600
V
High side floating supply offset voltage(Transient)
VS
-25 (~200ns)
-20(200ns ~240ns)
-7(240ns~400ns)
600
V
High side floating output voltage
VH O
VS
VB
V
Allowable offset voltage Slew Rate 1)
dv/dt
-
50
V/ns
Supply voltage
VC C
10
20
V
Input voltage for IN
VIN
0
Vcc
V
Switching Frequency 2)
Fs
200
KHz
Ambient Temperature
Ta
125
°C
High side floating supply voltage(DC)
Transient:-10V@ 0.2 us
-40
Note: 1) Guaranteed by design.
2) Duty = 0.5
3
FAN7081_F085 Rev. 1.0.2
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FAN7081_F085 High Side Gate Driver
Absolute Maximum Ratings
Unless otherwise specified, -40°C <= Ta <=
125°C,VC C
Parameter
Symbol
= 15V, VB S = 15V, VS = 0V, RL = 50Ω, C L = 2.5nF.
Conditions
Min.
Typ.
Max.
Unit
Vcc and VBS supply Characteristics
VCC and VBS supply under voltage
positive going threshold
VCCUV+
VBSUV+
-
8.7
9.8
V
VCC and VBS supply under voltage
negative going threshold
VC C U VVB S U V -
7.4
8.2
-
V
VCC and VB S supply under voltage
hysteresis
VCCUVH
VBSUVH
-
0.2
0.5
-
V
tduvcc
tduvbs
VCC: 10V-->7.3V or 7.3V-->10V
VBS: 10V-->7.3V or 7.3V-->10V
0.5
0.5
20
20
us
us
Offset supply leakage current
I LK
VB =VS =600V
-
-
50
uA
Quiescent VBS supply current
IQ B S
V IN=0
-
23
250
uA
Quiescent Vcc supply current
I QCC1
VIN = 0V
-
42
120
uA
Quiescent Vcc supply current
I QCC2
VIN =15V
-
25
100
uA
V
Under voltage lockout response time
Input Characteristics
High logic level input voltage
VIH
0.6VC C
-
-
Low logic level input voltage
VIL
-
-
0.4VC C
V
Low logic level input bias current for IN
IIN +
V IN=0
-
15
50
uA
High logic level input bias current for IN
II N-
VIN =15V
-
0
1
uA
High level output voltage, VBIAS -VO
VOH
I O =0
-
-
0.1
V
Low level output voltage, VO
VOL
I O =0
-
-
0.1
V
Peak output source current
IO 1 +
250
-
-
mA
Peak output sink current
IO 1 -
500
-
-
mA
Equivalent output resistance
R OP
40
60
Ω
RO N
20
30
Ω
Output characteristics
Note: The input parameter are referenced to COM. The VO and IO parameters are referenced to COM.
4
FAN7081_F085 Rev. 1.0.2
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FAN7081_F085 High Side Gate Driver
Statics Electrical Characteristics
Unless otherwise specified, -40°C <= Ta
<= 125 °C,
Parameter
VC C = 15V, VB S = 15V, VS = 0V, RL = 50Ω, CL = 2.5nF.
Symbol
Conditions
Input-to-output turn-on propagation delay
tplh
50% input level to 10% output level,
VS = 0V
Input-to-output turn-off propagation delay
tphl
50% input level to 90% output level
VS = 0V
Output rising time
tr1
10% to 90%, Tj=25°C,VB S=15V
tr2
10% to 90%
tf1
90% to 10%, Tj=25°C,VB S=15V
tf2
90% to 10%
Output falling time
5
FAN7081_F085 Rev. 1.0.2
Min. Typ. Max. Unit
130
300
ns
-
140
300
ns
-
15
400
ns
-
500
ns
10
150
ns
-
500
ns
-
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FAN7081_F085 High Side Gate Driver
Dynamic Electrical Characteristics
FAN7081_F085 High Side Gate Driver
Application Information
1. Relationship in input/output and supplies
Table.1 Truth table for Vcc, VBS,VIN, and VHO
VCC
VBS
IN
HO
< VCCUVLO-
X
X
OFF
X
< VBSUVLO-
X
OFF
X
X
HIGH
OFF
> VCCUVLO+
> VBSUVLO+
LOW
ON
Notes:
X means independent from signal
6
FAN7081_F085 Rev. 1.0.2
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FAN7081_F085 High Side Gate Driver
Typical Application Circuit
Db
Up to 600V
VCC
VCC
VB
IN
HO
COM
VS
1
C1
8
2
7
3
6
NC
Cbs R1
C2
Load
NC
4
5
7
FAN7081_F085 Rev. 1.0.2
Rg
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FAN7081_F085 High Side Gate Driver
Typical Waveforms
1. Input/Output Timing
IN
VS
tplh
HO
tphl
Figure 1. Input /output Timing Diagram
2. Ouput(HO) Switching Timing
90%
90%
10%
10%
tr
tf
Figure 2. Switching Time Waveform Definitions
3.VB Drop Voltage Diagram
Ig
Ig
IN
15V
VB-VS
VCC
VB
IN
HO
COM
VS
NC
NC
50
1u
2.2n
VB drop
Figure3b. VB Drop Voltage Test Circuit
Brake before make
Figure 3a. VB Drop Voltage Diagram
8
FAN7081_F085 Rev. 1.0.2
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This performance graphs based on ambient temperature -40 °C ~ 1 2 5 °C
500
Vcc=VBS=15V,
RL=50, CL=2.5nF
400
Turn-on Delay Time(ns)
Turn-on Delay Time(ns)
500
300
200
100
Max.
Typ.
0
-50
-25
0
25
50
75
100
Vcc=15V,
RL=50, CL=2.5nF
400
300
Max.
200
Typ.
100
0
10
125
12
Figure 4a. Turn-On Delay Time vs Temperature
Turn-off Delay Time(ns)
Turn-off Delay Time(ns)
Max.
Typ.
0
-50
-25
0
25
50
75
100
400
300
Max.
200
Typ.
100
0
10
125
12
14
16
18
20
VBIAS Supply Voltage(V)
o
Temperature( C)
Figure 5a. Turn-Off Delay Time vs Temperature
Figure5b. Turn-Off Delay Time vs VBS Supply Voltage
500
500
Vcc=VBS=15V,
RL=50, CL=2.5nF
400
Turn-on Rise Time(ns)
Turn-On Rise Time(ns)
20
Vcc=15V,
RL=50, CL=2.5nF
300
Max.
300
200
100
400
Max.
Vcc=15V,
RL=50, CL=2.5nF
300
200
100
Typ.
Typ.
0
-50
18
500
Vcc=VBS=15V,
RL=50, CL=2.5nF
400
100
16
Figure 4b. Turn-On Delay Time vs VBS Supply Voltage
500
200
14
VBIAS Supply Voltage(V)
o
Temperature( C)
-25
0
25
50
75
100
0
10
125
14
16
18
20
Figure 6b. Turn-ON Rising Time vs VBS Supply Voltage
Figure 6a.Turn-On Rising Time vs Temperature
9
FAN7081_F085 Rev. 1.0.2
12
VBIAS Supply Voltage(V)
o
Temperature( C)
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FAN7081_F085 High Side Gate Driver
Performance Graphs
300
400
300
200
100
200
150
100
Max.
Max.
50
Typ.
0
-50
VCC=15V,
RL=50, CL=2.5nF
250
Turn-off Fall Time(ns)
Turn-Off Fall Time(ns)
Vcc=VBS=15V,
RL=50, CL=2.5nF
Typ.
-25
0
25
50
75
100
0
10
125
12
o
Temperature( C)
Figure 7a. Turn-Off Falling Time vs Temperature
16
18
20
Figure 7b. Turn-Off Falling Time vs VBS Supply Voltage
16
13
VBS=15V,
RL=50, CL=2.5nF
Vcc=VBS=15V,
RL=50, CL=2.5nF
14
Input Voltage(V)
12
Input Voltage(V)
14
VBS Supply Voltage(V)
11
10
12
10
8
Min.
9
Min.
6
8
-50
-25
0
25
50
75
100
4
10
125
12
Temperature( C)
Figure 8a. Logic “1” IN Voltage vs Temperature
18
20
12
Vcc=VBS=15V,
RL=50, CL=2.5nF
7
Max.
5
4
-50
VBS=15V,
RL=50, CL=2.5nF
10
Input Voltage(V)
8
Input Voltage (V)
16
Figure8b. Logic “1” IN Voltage vs VCC Supply Voltage
9
6
14
VCC Supply Voltage(V)
o
8
6
4
Max.
2
-25
0
25
50
75
100
0
10
125
Temperature ( C)
Figure 9a. Logic “0” IN Voltage vs Temperature
14
16
18
20
Figure 9b. Logic “0” IN Voltage vs VCC Supply Voltage
10
FAN7081_F085 Rev. 1.0.2
12
VCC Supply Voltage(V)
o
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FAN7081_F085 High Side Gate Driver
500
0.4
High Level Output Voltage (V)
High Level Output Voltage(V)
Vcc=VBS=15V,
RL=50, CL=2.5nF
0.3
0.2
Max.
0.1
0.0
-50
-25
0
25
50
75
100
Vcc=15V,
RL=50,CL=2.5nF
0.4
0.3
0.2
Max.
0.1
0.0
10
125
12
14
o
Figure 10a. High Level Output vs Temperature
20
0.5
Vcc=VBS=15V,
RL=50, CL=2.5nF
0.4
Low Level Output Voltage (V)
Low Level Output Voltage(V)
18
Figure 10b. High Level Output vs VBS Supply Voltage
0.5
0.3
0.2
Max.
0.1
0.0
-50
-25
0
25
50
75
100
Vcc=15V,
RL=50,CL=2.5nF
0.4
0.3
0.2
Max.
0.1
0.0
10
125
12
o
Figure 11a. Low Level Output vs Temperature
16
18
20
Figure 11b. Low Level Output vs VBS Supply Voltage
500
Offset Supply Leakage Current (uA)
200
VB=BS= 600V,
160
120
80
40
Max.
0
-50
14
VBS Supply Voltage(V)
Temperature( C)
Offset Supply Leakage Current( µA)
16
VBS Supply Voltage(V)
Temperature( C)
-25
0
25
50
75
100
300
200
100
Max.
0
125
0
100
200
300
400
500
600
VB Boost Voltage (V)
o
Temperature( C)
Figure 12a. Offset Supply Leakage Current vs Temperature
Figure 12b. Offset Supply Leakage Current vs VB Boost Voltage
11
FAN7081_F085 Rev. 1.0.2
400
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FAN7081_F085 High Side Gate Driver
0.5
0.5
125
Max.
VBS Supply Cureent (uA)
VBS Supply Cureent (uA)
150
Vcc=VBS=15V,
RL=50, CL=2.5nF
100
75
50
Typ.
25
Vcc=15V,
RL=50, CL=2.5nF
125
100
Max.
75
50
25
Typ.
0
-50
-25
0
25
50
75
100
0
10
125
12
o
Figure 13a. VBS Supply Current vs Temperature
18
20
200
VBS=15V,
RL=50, CL=2.5nF
Vcc=VBS=15V,
RL=50, CL=2.5nF
160
VCC Supply Cureent (uA)
VCC Supply Current (uA)
16
Figure 13b. VBS Supply Current vs VBS Supply Voltage
200
Max.
120
80
Typ.
40
0
-50
-25
0
25
50
75
100
160
120
Max.
80
Typ.
40
0
10
125
12
14
16
18
20
VCC Supply Voltage (V)
o
Temperature ( C)
Figure 14a.VCC Supply Current vs Temperature
Figure 14b. VCC Supply Current vs VCC Supply Voltage
80
80
Vcc=VBS=15V,
RL=50, CL=2.5nF
70
Logic "0" Input Current (uA)
Logic "0" Input Current ( uA)
14
VBS Supply Voltage (V)
Temperature ( C)
60
50
Max.
40
30
20
Typ.
10
VBS=15V,
RL=50, CL=2.5nF
70
60
50
40
Max.
30
20
10
Typ.
0
-50
-25
0
25
50
75
100
0
10
125
14
16
18
20
VC C Supply Voltage ( C)
Figure 15b. Logic “0” IN Current vs VCC Supply Voltage
Figure 15a. Logic “0” IN Current vs Temperature
12
FAN7081_F085 Rev. 1.0.2
12
o
o
Temperature ( C)
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FAN7081_F085 High Side Gate Driver
150
Logic "1" Inpit Current( µA)
Logic "1" Input Current (uA)
Vcc=VBS=15V,
RL=50, CL=2.5nF
4
3
2
Max.
1
0
-50
-25
0
25
50
75
100
VBS=15V,
RL=50, CL=2.5nF
4
3
2
1
Max.
0
10
125
12
12
12
11
11
10
9
8
7
-25
0
25
50
20
75
100
9
8
7
6
-50
125
-25
0
25
50
75
100
125
o
Temperature ( C)
Temperature ( C)
Figure 17b. VCC Under voltage Threshold(-) vs Temperature
Figure 17a. VCC Under voltage Threshold(+) vs Temperature
12
12
11
11
VBS Supply Voltage (V)
VBS Supply Voltage (V)
18
10
o
10
9
8
10
9
8
7
7
6
-50
16
Figure 16b. Logic “1” IN Current vs VCC Supply Voltage
VC C Supply Voltage (V)
VC C Supply Voltage (V)
Figure 16a. Logic “1” IN Current vs Temperature
6
-50
14
VCC Supply Voltage(V)
o
Temperature ( C)
-25
0
25
50
75
100
6
-50
125
0
25
50
75
100
125
Temperature ( C)
Temperature ( C)
Figure 18a. VBS Under voltage Threshold(+) vs Temperature
Figure 18b. VBS Under voltage Threshold(-) vs Temperature
13
FAN7081_F085 Rev. 1.0.2
-25
o
o
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FAN7081_F085 High Side Gate Driver
5
5
Output Source Cureent (mA)
Output Source Current (mA)
600
Vcc=VBS=15V,
RL=50, CL=2.5nF
500
Typ.
400
Min.
300
200
100
0
-50
-25
0
25
50
75
100
Vcc=15V,
RL=50, CL=2.5nF
500
400
300
Typ.
200
Min.
100
0
10
125
12
14
Temperature ( C)
Typ.
800
Min.
600
400
200
0
-50
-25
0
25
50
75
100
Vcc=15V
RL=50, CL=2.5nF
800
600
Typ.
400
Min.
200
0
10
125
12
14
16
18
20
VBIAS Supply Voltage (V)
o
Temperature ( C)
Figure 20a. Output Sink Current vs Temperature
Figure 20b. Output Sink Current vs VBS Supply Voltage
0
-6
Vcc=VBS=15V,
RL=50, CL=2.5nF
VS Offset Supply Voltage (V)
VS Offset Supply Voltage (V)
20
1000
Vcc=VBS=15V,
RL=50, CL=2.5nF
Output Sink Cureent (uA)
Output Sink Cureent ( mA)
1000
-7
-8
-9
Typ.
-11
-12
-50
18
Figure 19b. Output Source Current vs VBS Supply Voltage
Figure 19a. Output Source Current vs Temperature
-10
16
VBIAS Supply Voltage (V)
o
-25
0
25
50
75
100
Typ.
-6
-8
-10
-12
-14
12
14
16
18
20
VB S Floating Supply Voltage(V)
Temp( C)
Figure 21b. Maximum VS Negative Voltage vs VBS Supply Voltage
14
FAN7081_F085 Rev. 1.0.2
-4
-16
10
125
o
Figure 21a. Maximum VS Negative Voltage vs Temperature
Vcc=15V,
RL=50, CL=2.5nF
-2
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FAN7081_F085 High Side Gate Driver
600
FAN7081_F085 High Side Gate Driver
Package Dimensions
15
FAN7081_F085 Rev. 1.0.2
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As used herein:
1. Life support devices or systems are devices or systems which, (a) are
intended for surgical implant into the body or (b) support or sustain life,
and (c) whose failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be reasonably
expected to result in a significant injury of the user.
2. A critical component in any component of a life support, device, or
system whose failure to perform can be reasonably expected to
cause the failure of the life support device or system, or to affect its
safety or effectiveness.
ANTI-COUNTERFEITING POLICY
Fairchild Semiconductor Corporation's Anti-Counterfeiting Policy. Fairchild's Anti-Counterfeiting Policy is also stated on our external website, www.fairchildsemi.com,
under Sales Support.
Counterfeiting of semiconductor parts is a growing problem in the industry. All manufacturers of semiconductor products are experiencing counterfeiting of their parts.
Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard performance, failed applications,
and increased cost of production and manufacturing delays. Fairchild is taking strong measures to protect ourselves and our customers from the proliferation of
counterfeit parts. Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild Distributors who are
listed by country on our web page cited above. Products customers buy either from Fairchild directly or from Authorized Fairchild Distributors are genuine parts, have
full traceability, meet Fairchild's quality standards for handling and storage and provide access to Fairchild's full range of up-to-date technical and product information.
Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address any warranty issues that may arise. Fairchild will not provide
any warranty coverage or other assistance for parts bought from Unauthorized Sources. Fairchild is committed to combat this global problem and encourage our
customers to do their part in stopping this practice by buying direct or from authorized distributors.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Advance Information
Formative / In Design
Preliminary
First Production
No Identification Needed
Full Production
Obsolete
Not In Production
Definition
Datasheet contains the design specifications for product development. Specifications may change in
any manner without notice.
Datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild
Semiconductor reserves the right to make changes at any time without notice to improve design.
Datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes
at any time without notice to improve the design.
Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor.
The datasheet is for reference information only.
Rev. I39
© 2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com