ON NCV5106BDR2G High voltage, high and low side driver Datasheet

NCV5106A, NCV5106B
High Voltage, High and Low
Side Driver
The NCV5106 is a high voltage gate driver IC providing two
outputs for direct drive of 2 N−channel power MOSFETs or IGBTs
arranged in a half−bridge configuration version B (version B on
demand only) or any other high−side + low−side configuration
version A.
It uses the bootstrap technique to ensure a proper drive of the
high−side power switch. The driver works with 2 independent inputs.
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MARKING
DIAGRAMS
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
8
High Voltage Range: Up to 600 V
dV/dt Immunity ±50 V/nsec
Negative Current Injection Characterized Over the Temperature Range
Gate Drive Supply Range from 10 V to 20 V
High and Low Drive Outputs
Output Source / Sink Current Capability 250 mA / 500 mA
3.3 V and 5 V Input Logic Compatible
Up to VCC Swing on Input Pins
Extended Allowable Negative Bridge Pin Voltage Swing to −10 V
for Signal Propagation
Matched Propagation Delays Between Both Channels
Outputs in Phase with the Inputs
Independent Logic Inputs to Accommodate All Topologies (Version A)
Cross Conduction Protection with 100 ns Internal Fixed Dead Time
(Version B − on demand only)
Under VCC LockOut (UVLO) for Both Channels
Pin−to−Pin Compatible with Industry Standards
These are Pb−Free Devices
SOIC−8
D SUFFIX
CASE 751
1
V5106x
ALYW
G
1
V5106x
x
A
L
Y
W
G
= Specific Device Code
= A or B version
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
PINOUT INFORMATION
VCC
IN_HI
IN_LO
GND
VBOOT
DRV_HI
BRIDGE
DRV_LO
1
SOIC−8
ORDERING INFORMATION
See detailed ordering and shipping information on page 16 of
this data sheet.
Typical Applications
• Half−Bridge Power Converters
• Any Complementary Drive Converters (Asymmetrical Half−Bridge,
•
Active Clamp) (A Version Only).
Full−Bridge Converters
© Semiconductor Components Industries, LLC, 2017
February, 2017 − Rev. 0
1
Publication Order Number:
NCV5106/D
NCV5106A, NCV5106B
Vbulk
+
C1
D4
GND
Q1
Vcc
T1
C3
U1
VBOOT
GND
IN_LO
L1
Out+
+
C4
C3
Vcc
IN_HI DRV_HI
NCP1395
D1
Lf
Out−
Bridge
D2
GND DRV_LO
C6
Q2
NCV5106
GND
GND
GND
R1
D3
GND
U2
Figure 1. Typical Application Resonant Converter (LLC type)
Vbulk
+
C1
C5
D4
GND
Q1
Vcc
C3
GND
T1
Vcc
U1
VBOOT
D1
C4
L1
Out+
+
C3
IN_HI DRV_HI
MC34025
IN_LO
Bridge
Out−
D2
GND DRV_LO
C6
NCV5106
GND
Q2
GND
GND
R1
D3
GND
U2
Figure 2. Typical Application Half Bridge Converter
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2
NCV5106A, NCV5106B
VCC
VCC
VBOOT
UV
DETECT
IN_HI
PULSE
TRIGGER
S Q
R Q
LEVEL
SHIFTER
GND
GND
UV
DETECT
DRV_HI
BRIDGE
VCC
IN_LO
DRV_LO
DELAY
GND
GND
GND
GND
GND
Figure 3. Detailed Block Diagram: Version A
VCC
VCC
VBOOT
UV
DETECT
IN_HI
PULSE
TRIGGER
CROSS
CONDUCTION
PREVENTION
GND
GND
IN_LO
S Q
R Q
LEVEL
SHIFTER
UV
DETECT
DRV_HI
BRIDGE
VCC
DRV_LO
DELAY
GND
GND
GND
Figure 4. Detailed Block Diagram: Version B
PIN DESCRIPTION
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Pin Name
Description
IN_HI
Logic Input for High Side Driver Output in Phase
IN_LO
Logic Input for Low Side Driver Output in Phase
GND
Ground
DRV_LO
Low Side Gate Drive Output
VCC
Low Side and Main Power Supply
VBOOT
Bootstrap Power Supply
DRV_HI
High Side Gate Drive Output
BRIDGE
Bootstrap Return or High Side Floating Supply Return
NC
Removed for creepage distance (DFN package only)
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3
NCV5106A, NCV5106B
MAXIMUM RATINGS
Rating
VCC
VCC_transient
Symbol
Main power supply voltage
Main transient power supply voltage:
IVCC_max = 5 mA during 10 ms
VBRIDGE
VHV: High Voltage BRIDGE pin
VBRIDGE
Allowable Negative Bridge Pin Voltage for IN_LO Signal Propagation to DRV_LO
(see characterization curves for detailed results)
Value
Unit
−0.3 to 20
V
23
V
−1 to 600
V
−10
V
VBOOT−VBRIDGE
VHV: Floating supply voltage
−0.3 to 20
V
VDRV_HI
VHV: High side output voltage
VBRIDGE − 0.3 to
VBOOT + 0.3
V
VDRV_LO
Low side output voltage
−0.3 to VCC + 0.3
V
50
V/ns
−1.0 to VCC + 0.3
V
750
1000
V
V
dVBRIDGE/dt
VIN_XX
Allowable output slew rate
Inputs IN_HI, IN_LO
ESD Capability:
− HBM Model (all pins)
− CDM Model
Latch up capability per JEDEC JESD78
RqJA
Power dissipation and Thermal characteristics
SO−8: Thermal Resistance, Junction−to−Air
TST
Storage Temperature Range
TJ_max
°C/W
178
Maximum Operating Junction Temperature
−55 to +150
°C
+150
°C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
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4
NCV5106A, NCV5106B
ELECTRICAL CHARACTERISTIC (VCC = Vboot = 15 V, VGND = Vbridge, −40°C < TJ < 125°C, Outputs loaded with 1 nF)
TJ −40°C to 125°C
Symbol
Min
Typ
Max
Units
Output high short circuit pulsed current VDRV = 0 V, PW v 10 ms (Note 1)
IDRVsource
−
250
−
mA
Output low short circuit pulsed current VDRV = VCC, PW v 10 ms (Note 1)
Rating
OUTPUT SECTION
IDRVsink
−
500
−
mA
Output resistor (Typical value @ 25°C) Source
ROH
−
30
60
W
Output resistor (Typical value @ 25°C) Sink
ROL
−
10
20
W
High level output voltage, VBIAS−VDRV_XX @ IDRV_XX = 20 mA
VDRV_H
−
0.7
1.6
V
Low level output voltage VDRV_XX @ IDRV_XX = 20 mA
VDRV_L
−
0.2
0.6
V
Turn−on propagation delay (Vbridge = 0 V)
tON
−
100
170
ns
Turn−off propagation delay (Vbridge = 0 V or 50 V) (Note 2)
tOFF
−
100
170
ns
Output voltage rise time (from 10% to 90% @ VCC = 15 V) with 1 nF load
tr
−
85
160
ns
Output voltage fall time (from 90% to 10% @VCC = 15 V) with 1 nF load
tf
−
35
75
ns
Propagation delay matching between the High side and the Low side
@ 25°C (Note 3)
Dt
−
20
35
ns
Internal fixed dead time (only valid for B version) (Note 4)
DT
65
100
190
ns
Minimum input width that changes the output
tPW1
−
−
50
ns
Maximum input width that does not change the output
tPW2
15
−
−
ns
Low level input voltage threshold
VIN
−
−
0.8
V
Input pull−down resistor (VIN < 0.5 V)
RIN
−
200
−
kW
High level input voltage threshold
VIN
2.3
−
−
V
Logic “1” input bias current @ VIN_XX = 5 V @ 25°C
IIN+
−
5
25
mA
Logic “0” input bias current @ VIN_XX = 0 V @ 25°C
IIN−
−
−
2.0
mA
DYNAMIC OUTPUT SECTION
INPUT SECTION
SUPPLY SECTION
VCC UV Start−up voltage threshold
VCC_stup
8.0
8.9
9.9
V
VCC_shtdwn
7.3
8.2
9.1
V
VCC_hyst
0.3
0.7
−
V
Vboot_stup
8.0
8.9
9.9
V
Vboot UV Shut−down voltage threshold
Vboot_shtdwn
7.3
8.2
9.1
V
Hysteresis on Vboot
Vboot_shtdwn
0.3
0.7
−
V
IHV_LEAK
−
5
40
mA
Consumption in active mode (VCC = Vboot, fsw = 100 kHz and 1 nF load on
both driver outputs)
ICC1
−
4
5
mA
Consumption in inhibition mode (VCC = Vboot)
ICC2
−
250
400
mA
VCC current consumption in inhibition mode
ICC3
−
200
−
mA
Vboot current consumption in inhibition mode
ICC4
−
50
−
mA
VCC UV Shut−down voltage threshold
Hysteresis on VCC
Vboot Start−up voltage threshold reference to bridge pin
(Vboot_stup = Vboot − Vbridge)
Leakage current on high voltage pins to GND
(VBOOT = VBRIDGE = DRV_HI = 600 V)
1. Parameter guaranteed by design.
2. Turn−off propagation delay @ Vbridge = 600 V is guaranteed by design.
3. See characterization curve for Dt parameters variation on the full range temperature.
4. Version B integrates a dead time in order to prevent any cross conduction between DRV_HI and DRV_LO. See timing diagram of Figure 10.
5. Timing diagram definition see: Figure 7, Figure 8 and Figure 9.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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NCV5106A, NCV5106B
IN_HI
IN_LO
DRV_HI
DRV_LO
Figure 5. Input/Output Timing Diagram (A Version)
IN_HI
IN_LO
DRV_HI
DRV_LO
Figure 6. Input/Output Timing Diagram (B Version)
IN_HI
(IN_LO)
ton
50%
50%
tr
90%
DRV_HI
(DRV_LO)
tf
toff
90%
10%
10%
Figure 7. Propagation Delay and Rise / Fall Time Definition
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6
NCV5106A, NCV5106B
IN_LO
&
IN_HI
50%
50%
ton_HI
toff_HI
90%
Delta_t
DRV_HI
10%
ton_LO
Delta_t
90%
toff_LO
DRV_LO
Matching Delay 1 = ton_HI − ton_LO
Matching Delay 2 = toff_LO − toff_HI
10%
Figure 8. Matching Propagation Delay (A Version)
50%
IN_HI
50%
toff_HI
ton_HI
90%
DRV_HI
10%
Matching Delay1=ton_HI−ton_LO
Matching Delay2=toff_HI−toff_LO
IN_LO
50%
50%
toff_LO
ton_LO
90%
DRV_LO
10%
Figure 9. Matching Propagation Delay (B Version)
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7
NCV5106A, NCV5106B
IN_HI
IN_LO
DRV_HI
DRV_LO
Internal Deadtime
Internal Deadtime
Figure 10. Input/Output Cross Conduction Output Protection Timing Diagram (B Version)
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8
NCV5106A, NCV5106B
CHARACTERIZATION CURVES
140
120
TON, PROPAGATION DELAY (ns)
TON, PROPAGATION DELAY (ns)
140
TON High Side
100
80
60
TON Low Side
40
20
0
10
12
14
16
VCC, VOLTAGE (V)
18
TON Low Side
120
100
80
60
TON High Side
40
20
0
−40
20
Figure 11. Turn ON Propagation Delay vs.
Supply Voltage (VCC = VBOOT)
20
40
60
80
TEMPERATURE (°C)
100
120
140
TOFF, PROPAGATION DELAY (ns)
TOFF, PROPAGATION DELAY (ns)
0
Figure 12. Turn ON Propagation Delay vs.
Temperature
140
120
TOFF Low Side
100
80
60
TOFF High Side
40
20
0
10
12
14
16
VCC, VOLTAGE (V)
18
120
TOFF Low Side
100
80
TOFF High Side
60
40
20
0
−40
20
Figure 13. Turn OFF Propagation Delay vs.
Supply Voltage (VCC = VBOOT)
−20
0
20
40
60
80
TEMPERATURE (°C)
100
120
Figure 14. Turn OFF Propagation Delay vs.
Temperature
160
TOFF PROPAGATION DELAY (ns)
140
TON, PROPAGATION DELAY (ns)
−20
120
100
80
60
40
20
0
140
120
100
80
60
40
20
0
0
10
20
30
40
0
50
10
20
30
40
BRIDGE PIN VOLTAGE (V)
BRIDGE PIN VOLTAGE (V)
Figure 15. High Side Turn ON Propagation
Delay vs. VBRIDGE Voltage
Figure 16. High Side Turn OFF Propagation
Delay vs. VBRIDGE Voltage
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9
50
NCV5106A, NCV5106B
CHARACTERIZATION CURVES
140
140
120
TON, RISETIME (ns)
160
TON, RISETIME (ns)
120
tr High Side
100
80
60
40
tr Low Side
12
14
16
VCC, VOLTAGE (V)
80
60
18
0
−40
20
70
60
60
TOFF, FALLTIME (ns)
TOFF, FALLTIME (ns)
70
tf Low Side
40
30
20
18
100
120
tf High Side
30
20
0
−40
20
Figure 19. Turn OFF Falltime vs. Supply
Voltage (VCC = VBOOT)
tf Low Side
−20
0
20
40
60
80
TEMPERATURE (°C)
100
120
Figure 20. Turn OFF Falltime vs. Temperature
20
200
180
160
15
DEAD TIME (ns)
PROPAGATION DELAY MATCHING (ns)
20
40
60
80
TEMPERATURE (°C)
40
10
10
14
16
VCC, VOLTAGE (V)
0
50
tf High Side
12
−20
Figure 18. Turn ON Risetime vs. Temperature
80
0
10
tr High Side
40
Figure 17. Turn ON Risetime vs. Supply
Voltage (VCC = VBOOT)
50
tr Low Side
20
20
0
10
100
10
5
140
120
100
80
60
40
20
0
−40
−20
0
20
40
60
80
100
0
−40
120
−20
0
20
40
60
80
100
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 21. Propagation Delay Matching
Between High Side and Low Side Driver vs.
Temperature
Figure 22. Dead Time vs. Temperature
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10
120
NCV5106A, NCV5106B
1.4
1.4
1.2
1.2
LOW LEVEL INPUT VOLTAGE
THRESHOLD (V)
LOW LEVEL INPUT VOLTAGE THRESHOLD (V)
CHARACTERIZATION CURVES
1
0.8
0.6
0.4
0.2
0
10
12
14
16
18
0.8
0.6
0.4
0.2
0.0
−40
20
VCC, VOLTAGE (V)
20
40
60
TEMPERATURE (°C)
Figure 23. Low Level Input Voltage Threshold
vs. Supply Voltage (VCC = VBOOT)
Figure 24. Low Level Input Voltage Threshold
vs. Temperature
2.5
2
1.5
1
0.5
0
10
0
80
100
120
12
14
16
VCC, VOLTAGE (V)
18
2.0
1.5
1.0
0.5
0.0
−40
20
Figure 25. High Level Input Voltage Threshold
vs. Supply Voltage (VCC = VBOOT)
−20
0
20
40
60
TEMPERATURE (°C)
80
100
120
Figure 26. High Level Input Voltage Threshold
vs. Temperature
6
LOGIC “0” INPUT CURRENT (mA)
4
LOGIC “0” INPUT CURRENT (mA)
−20
2.5
HIGH LEVEL INPUT VOLTAGE
THRESHOLD (V)
HIGH LEVEL INPUT VOLTAGE
THRESHOLD (V)
1.0
3.5
3
2.5
2
1.5
1
0.5
0
10
12
14
16
VCC, VOLTAGE (V)
18
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
−40
20
−20
0
20
40
60
TEMPERATURE (°C)
80
100
Figure 28. Logic “0” Input Current vs.
Temperature
Figure 27. Logic “0” Input Current vs. Supply
Voltage (VCC = VBOOT)
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11
120
NCV5106A, NCV5106B
CHARACTERIZATION CURVES
10
LOGIC “1” INPUT CURRENT (mA)
LOGIC “1” INPUT CURRENT (mA)
8
7
6
5
4
3
2
1
0
10
12
14
16
VCC, VOLTAGE (V)
18
8
6
4
2
0
−40
20
20
40
60
80
100
120
Figure 30. Logic “1” Input Current vs.
Temperature
1.0
LOW LEVEL OUTPUT VOLTAGE (V)
1
LOW LEVEL OUTPUT VOLTAGE
THRESHOLD (V)
0
TEMPERATURE (°C)
Figure 29. Logic “1” Input Current vs. Supply
Voltage (VCC = VBOOT)
0.8
0.6
0.4
0.2
0
10
12
14
16
VCC, VOLTAGE (V)
18
20
0.8
0.6
0.4
0.2
0.0
−40
Figure 31. Low Level Output Voltage vs.
Supply Voltage (VCC = VBOOT)
0
20
40
60
80
TEMPERATURE (°C)
100
120
1.6
HIGH LEVEL OUTPUT VOLTAGE (V)
1.2
0.8
0.4
0
10
−20
Figure 32. Low Level Output Voltage vs.
Temperature
1.6
HIGH LEVEL OUTPUT VOLTAGE
THRESHOLD (V)
−20
12
14
16
VCC, VOLTAGE (V)
18
20
1.2
0.8
0.4
0.0
−40
−20
0
20
40
60
TEMPERATURE (°C)
80
100
Figure 34. High Level Output Voltage vs.
Temperature
Figure 33. High Level Output Voltage vs.
Supply Voltage (VCC = VBOOT)
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12
120
NCV5106A, NCV5106B
CHARACTERIZATION CURVES
400
350
OUTPUT SOURCE CURRENT (mA)
OUTPUT SOURCE CURRENT (mA)
400
Isrc High Side
300
250
Isrc Low Side
200
150
100
50
0
10
12
14
16
VCC, VOLTAGE (V)
18
350
Isrc High Side
300
250
200
150
Isrc Low Side
100
50
0
−40
20
−20
0
20
40
100
120
Figure 36. Output Source Current vs.
Temperature
600
600
Isink High Side
Isink High Side
OUTPUT SINK CURRENT (mA)
OUTPUT SINK CURRENT (mA)
80
TEMPERATURE (°C)
Figure 35. Output Source Current vs. Supply
Voltage (VCC = VBOOT)
500
400
Isink Low Side
300
200
100
0
10
12
14
16
18
500
400
300
Isink Low Side
200
100
0
−40
20
−20
0
VCC, VOLTAGE (V)
20
40
60
80
100
120
TEMPERATURE (°C)
Figure 37. Output Sink Current vs. Supply
Voltage (VCC = VBOOT)
Figure 38. Output Sink Current vs.
Temperature
20
0.2
LEAKAGE CURRENT ON HIGH
VOLTAGE PINS (600 V) to GND (mA)
HIGH SIDE LEAKAGE CURRENT ON
HV PINS TO GND (mA)
60
0.16
15
0.12
10
0.08
0.04
0
0
100
200
300
400
500
600
5
0
−40
−20
0
20
40
60
80
100
TEMPERATURE (°C)
HV PINS VOLTAGE (V)
Figure 39. Leakage Current on High Voltage
Pins (600 V) to Ground vs. VBRIDGE Voltage
(VBRIGDE = VBOOT = VDRV_HI)
Figure 40. Leakage Current on High Voltage
Pins (600 V) to Ground vs. Temperature
(VBRIDGE = VBOOT = VDRv_HI = 600 V)
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13
120
NCV5106A, NCV5106B
CHARACTERIZATION CURVES
100
VBOOT CURRENT SUPPLY (mA)
VBOOT SUPPLY CURRENT (mA)
100
80
60
40
20
0
0
4
8
12
16
80
60
40
20
0
−40
20
−20
0
Figure 41. VBOOT Supply Current vs. Bootstrap
Supply Voltage
60
80
100
120
400
200
VCC CURRENT SUPPLY (mA)
VCC SUPPLY CURRENT (mA)
40
Figure 42. VBOOT Supply Current vs.
Temperature
240
160
120
80
40
0
0
4
8
12
16
300
200
100
0
−40
20
−20
0
VCC, VOLTAGE (V)
9.8
8.8
UVLO SHUTDOWN VOLTAGE (V)
9.0
VCC UVLO Startup
9.4
9.2
9.0
8.8
8.6
8.4
VBOOT UVLO Startup
8.2
8.0
−40
−20
0
20
40
60
40
60
80
100
120
Figure 44. VCC Supply Current vs. Temperature
10.0
9.6
20
TEMPERATURE (°C)
Figure 43. VCC Supply Current vs. VCC Supply
Voltage
UVLO STARTUP VOLTAGE (V)
20
TEMPERATURE (°C)
VBOOT, VOLTAGE (V)
80
100
120
VCC UVLO Shutdown
8.6
8.4
8.2
8.0
VBOOT UVLO Shutdown
7.8
7.6
7.4
7.2
7.0
−40
TEMPERATURE (°C)
−20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 45. UVLO Startup Voltage vs.
Temperature
Figure 46. UVLO Shutdown Voltage vs.
Temperature
www.onsemi.com
14
120
NCV5106A, NCV5106B
CHARACTERIZATION CURVES
40
ICC+ IBOOT CURRENT SUPPLY (mA)
ICC+ IBOOT CURRENT SUPPLY (mA)
25
CLOAD = 1 nF/Q = 15 nC
20
15
10
5
RGATE = 0 R to 22 R
0
0
100
200
300
400
500
CLOAD = 2.2 nF/Q = 33 nC
35
30
25
RGATE = 10 R
20
RGATE = 22 R
15
10
5
0
0
600
100
SWITCHING FREQUENCY (kHz)
Figure 47. ICC1 Consumption vs. Switching
Frequency with 15 nC Load on Each Driver @
VCC = 15 V
CLOAD = 3.3 nF/Q = 50 nC
60
ICC+ IBOOT CURRENT SUPPLY (mA)
ICC+ IBOOT CURRENT SUPPLY (mA)
600
120
RGATE = 0 R
50
40
RGATE = 10 R
30
RGATE = 22 R
20
10
0
0
CLOAD = 6.6 nF/Q = 100 nC
RGATE = 0 R
100
80
RGATE = 10 R
60
40
RGATE = 22 R
20
0
100
200
300
400
500
600
0
SWITCHING FREQUENCY (kHz)
Figure 49. ICC1 Consumption vs. Switching
Frequency with 50 nC Load on Each Driver @
VCC = 15 V
100
200
300
400
500
SWITCHING FREQUENCY (kHz)
600
Figure 50. ICC1 Consumption vs. Switching
Frequency with 100 nC Load on Each Driver @
VCC = 15 V
0
−5
NEGATIVE PULSE VOLTAGE (V)
0
NEGATIVE PULSE VOLTAGE (V)
200
300
400
500
SWITCHING FREQUENCY (kHz)
Figure 48. ICC1 Consumption vs. Switching
Frequency with 33 nC Load on Each Driver @
VCC = 15 V
70
−40°C
−10
25°C
−15
125°C
−20
−25
−30
−35
RGATE = 0 R
0
100
200
300
400
500
NEGATIVE PULSE DURATION (ns)
−5
−10
25°C
−15
−20
125°C
−25
−30
−35
600
−40°C
0
Figure 51. NCV5106A, Negative Voltage Safe
Operating Area on the Bridge Pin
100
200
300
400
500
NEGATIVE PULSE DURATION (ns)
Figure 52. NCV5106B, Negative Voltage Safe
Operating Area on the Bridge Pin
www.onsemi.com
15
600
NCV5106A, NCV5106B
APPLICATION INFORMATION
Negative Voltage Safe Operating Area
Summary:
• If the negative pulse characteristic (negative voltage
level & pulse width) is above the curves the driver
runs in safe operating area.
• If the negative pulse characteristic (negative voltage
level & pulse width) is below one or all curves the
driver will NOT run in safe operating area.
Note, each curve of the Figure 51 (or 52) represents the
negative voltage and width level where the driver starts to
fail at the corresponding die temperature.
If in the application the bridge pin is too close of the safe
operating limit, it is possible to limit the negative voltage
to the bridge pin by inserting one resistor and one diode as
follows:
When the driver is used in a half bridge configuration, it
is possible to see negative voltage appearing on the bridge
pin (pin 6) during the power MOSFETs transitions. When
the high−side MOSFET is switched off, the body diode of
the low−side MOSFET starts to conduct. The negative
voltage applied to the bridge pin thus corresponds to the
forward voltage of the body diode. However, as pcb copper
tracks and wire bonding introduce stray elements
(inductance and capacitor), the maximum negative voltage
of the bridge pin will combine the forward voltage and the
oscillations created by the parasitic elements. As any
CMOS device, the deep negative voltage of a selected pin
can inject carriers into the substrate, leading to an erratic
behavior of the concerned component. ON Semiconductor
provides characterization data of its half−bridge driver to
show the maximum negative voltage the driver can safely
operate with. To prevent the negative injection, it is the
designer duty to verify that the amount of negative voltage
pertinent to his/her application does not exceed the
characterization curve we provide, including some safety
margin.
In order to estimate the maximum negative voltage
accepted by the driver, this parameter has been
characterized over full the temperature range of the
component. A test fixture has been developed in which we
purposely negatively bias the bridge pin during the
freewheel period of a buck converter. When the upper gate
voltage shows signs of an erratic behavior, we consider the
limit has been reached.
Figure 51 (or 52), illustrates the negative voltage safe
operating area. Its interpretation is as follows: assume a
negative 10 V pulse featuring a 100 ns width is applied on
the bridge pin, the driver will work correctly over the whole
die temperature range. Should the pulse swing to −20 V,
keeping the same width of 100 ns, the driver will not work
properly or will be damaged for temperatures below
125°C.
Vcc
D2
Vbulk
MUR160
1
2
IN_Hi
3
IN_LO
0
4
U1
NCV5106A
8
VCC
VBOOT
IN_HI
DRV_HI
IN_LO
BRIDGE
GND
DRV_LO
C1
100n
M1
7
R1
6
5
10R
M2
D1
MUR160
0
Figure 53. R1 and D1 Improves the Robustness of the
Driver
R1 and D1 should be placed as close as possible of the
driver. D1 should be connected directly between the bridge
pin (pin 6) and the ground pin (pin 4). By this way the
negative voltage applied to the bridge pin will be limited
by D1 and R1 and will prevent any wrong behavior.
ORDERING INFORMATION
Package
Shipping†
NCV5106ADR2G
SOIC−8
(Pb−Free)
2500 / Tape & Reel
NCV5106BDR2G
(On demand only, not released in production)
SOIC−8
(Pb−Free)
2500 / Tape & Reel
Device
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
www.onsemi.com
16
NCV5106A, NCV5106B
PACKAGE DIMENSIONS
SOIC−8 NB
CASE 751−07
ISSUE AK
−X−
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
6. 751−01 THRU 751−06 ARE OBSOLETE. NEW
STANDARD IS 751−07.
A
8
5
S
B
0.25 (0.010)
M
Y
M
1
4
K
−Y−
G
C
N
DIM
A
B
C
D
G
H
J
K
M
N
S
X 45 _
SEATING
PLANE
−Z−
0.10 (0.004)
H
M
D
0.25 (0.010)
M
Z Y
S
X
J
S
MILLIMETERS
MIN
MAX
4.80
5.00
3.80
4.00
1.35
1.75
0.33
0.51
1.27 BSC
0.10
0.25
0.19
0.25
0.40
1.27
0 _
8 _
0.25
0.50
5.80
6.20
INCHES
MIN
MAX
0.189
0.197
0.150
0.157
0.053
0.069
0.013
0.020
0.050 BSC
0.004
0.010
0.007
0.010
0.016
0.050
0 _
8 _
0.010
0.020
0.228
0.244
SOLDERING FOOTPRINT*
1.52
0.060
7.0
0.275
4.0
0.155
0.6
0.024
1.270
0.050
SCALE 6:1
mm Ǔ
ǒinches
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and
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coverage may be accessed at www.onsemi.com/site/pdf/Patent− Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.
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Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,
regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or
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17
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For additional information, please contact your local
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NCV5106/D