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O0312HKPC 013-11-0064 No.A1718-1/9
http://onsemi.com
Semiconductor Components Industries, LLC, 2013
July, 2013
STK611-721-E
Overview
This “Inverter Power H-IC” includes the output stage of a 3-phase inverter, pre-drive circuits, as well as protection
circuits in one package.
Applications
• For 3-phase motor drive for fan etc.
Features
• Pre-drive low voltage protection circuits are built in.
• Direct input of CMOS level control signals without insulating circuits is possible.(Active HIGH)
• Built-in simultaneous upper/ lower ON prevention circuit to prevent arm shorting caused by simultaneous ON input
for the upper and lower side transistors.
(Dead time is required for preventing shorting due to switching delay.)
• Overcurrent protection is possible by connecting a shunt resistor externally.
• Monitoring substrate temperature is possible through the use of an internal thermistor.
Ordering number : ENA1718A
Thick-Film Hybrid IC
3-Phase Motor Drive
Inverter Hybrid IC
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STK611-721-E
No.A1718-2/9
Specifications
Absolute Maximum Ratings at Tc = 25°C
Parameter Symbol Conditions Ratings unit
Supply voltage VCC + to -, surge < 450V *1 450 V
Collector-emitter voltage VDS + to U (V, W) or U (V, W) to - 600 V
Output current IO +, -, U, V, W terminal current ±2A
Output peak current Iop +, -, U, V, W terminal current P.W. = 100μs ±4A
Pre-driver voltage VD1, 2, 3, 4 VB1 to U, VB2 to V, VB3 to W, VDD to VSS *2 20 V
Input signal voltage VIN HIN1, 2, 3, LIN1, 2, 3 terminal 0 to 15 V
FAULT/EN terminal voltage VFAULT FAULT/EN terminal 20 V
ITRIP terminal voltage VITRIP ITRIP terminal 5 V
Maximum power dissipation Pd MOSFET/1 channel 16.6 W
Junction temperature Tj MOSFET 150 °C
Storage temperature Tstg -40 to +125 °C
Operating substrate temperature Tc H-IC case temperature -20 to +100 °C
Tightening torque A screw part *3 0.6 N•m
Reference voltage is “-” terminal = “VSS” terminal voltage unless otherwise specified.
*1 Surge voltage developed by the switching operation due to the wiring inductance between “+” and “-” terminals.
*2 Terminal voltage : VD1=VB1 to U, VD2=VB2 to V, VD3=VB3 to W, VD4=VDD to VSS.
*3 Flatness of the heat-sink should be 0.15mm and below.
Electrical Characteristics at Tc=25°C, VD=15V
Parameter Symbol Conditions Test circuit min typ max unit
Power output section
Drain-Source Leakage current IDSS V
DS = 600V Fig.1 0.1 mA
Drain-Source On Resistance RDS(ON) ID = 2A Fig.2 4 Ω
Diode forward voltage VSD I
D = -2A Fig.3 1.5 V
Junction to case thermal resistance θj-c(T) MOSFET 7.5 °C/W
Control (Pre-driver) section
VD1, 2, 3 = 15V 0.05 0.2Pre-driver power dissipation ID
VD4 = 15V Fig.4 1.4 4.0 mA
Input ON threshold voltage Vinth(on) 1.5 2.1 2.5 V
Input OFF threshold voltage Vinth(off)
HIN1, HIN2, HIN3, LIN1, LIN2,
LIN3 to VSS 0.8 1.3 1.5 V
FAULT/EN clearness delay time FLTCLR After each protection operation
ending
8 ms
Protection section
Pre-drive power supply
low voltage protection voltage
UVLO 8 9.8 V
Resistance for substrate temperature
monitors
Rt Resistance between TH and
VSS terminals
90 100 110 kΩ
Fault/EN terminal input current IOSD VFault = 0.15V 2 mA
ITRIP threshold voltage VITRIP 0.41 0.465 0.52 V
tON 0.8 Switching time
tOFF
IO = 2A
Inductive load Fig.5 1.5 μs
Reference voltage is “-” terminal = “Vss” terminal voltage unless otherwise specified.
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
,,,,,,,,,,,,,,,,,,
STK611-721-E
No.A1718-3/9
Notes
1. <<Input ON threshold voltage>> indicates the threshold of input signal to turn on output stage MOSFET.
<<Input OFF threshold voltage>> indicates the threshold of input signal to turn off output stage MOSFET.
At the time of output ON, set the input signal voltage to Vinth (on)MAX to 15V. At the time of output OFF, set the
input signal voltage to 0V to Vinth (off)MIN.
2. When the internal protection circuit operates, a “FAULT/EN” signal is turned ON (When the “FAULT/EN” terminal
is low level, “FAULT/EN” signal is ON state: output form is open DRAIN) but the “FAULT/EN” signal does not
latch. After protection operation ends, it returns automatically within typ. 8ms and resumes operation beginning
condition. So,after “FAULT/EN” signal detection, set all signals to OFF (LOW) at once.
However, the operation of pre-drive power supply low voltage protection (UVLO with hysteresis about 0.2V) is as
follows:
Upper side : There is no “FAULT/EN” signal output, but a corresponding gate signal is turned OFF. Incidentally, it
returns to the regular operation when recovering to the normal voltage, but the latch continues while the
input signal is ON (HIGH).
Lower side : It outputs “FAULT/EN” signal with gate signal OFF. However, it is different from the protection
operation of upper side, it is automatically reset and resumes operation beginning condition when
recovering to normal voltage. (The protection operation is not latched by the input signal.)
3. When assembling the H-IC on the heat sink, tightening torque range is 0.4N•m to 0.6•Nm.
4. The pre-drive low voltage protection is the function to protect devices when the pre-drive supply voltage declines
with an operating malfunction. As for the pre-driver supply voltage decline in case of operation beginning, and so on,
check it in your set.
5. Please seal the entire leads of H-IC with the resin for securing the insulation between leads after mounting H-IC on
the set.
Package Dimensions
unit:mm (typ)
29.2
25.6
(20.47)
(5.0)
(12.9)
(5.6) 18 X1.0=18.0
1.0
4.2
8.2
(20.4)
0.5 0.4
4.5
119
14.5
7.2
14.4
11.0
(5.0)
(R1.7)
(3.5)
2.0
STK611-721-E
No.A1718-4/9
Equivalent Block Diagram
VB3(5)
W,VS3(4)
VB2(7)
V,VS2(6)
VB1(9)
U,VS1(8)
+(3)
-(2)
TH(1)
HIN1(11)
HIN2(12)
HIN3(13)
LIN1(14)
LIN2(15)
LIN3(16)
FAULT/EN(17)
ITRIP(10)
VDD(18)
VSS(19) Thermisto
r
U.V. U.V. U.V.
Level
Shifter Level
Shifter Level
Shifter
Logic Logic Logic
Shut down
VDD-Under Voltage
Latch time is typ 8ms
(Automatic reset)
Vref
STK611-721-E
No.A1718-5/9
Test Circuit
(The tested phase: U+ shows the upper side of the U phase and U- shows the lower side of the U phase.)
IDSS
U+ V+ W+ U- V- W-
M 3 3 3 8 6 4
N 8 6 4 2 2 2
Fig.1
VDS (RDS) (Test by pulse)
U+ V+ W+ U- V- W-
M 3 3 3 8 6 4
N 8 6 4 2 2 2
m 11 12 13 14 15 16
Fig.2
VF (Test by pulse)
U+ V+ W+ U- V- W-
M 3 3 3 8 6 4
N 8 6 4 2 2 2
Fig.3
ID
VD1 VD2 VD3 VD4
M 9 7 5 18
N 8 6 4 19
Fig.4
A
IDSS
VDS
VD1=15V 9
8M
N
7
6
5
4
18
19
VD2=15V
VD3=15V
VD4=15V
IO
VDS(RDS)
V
D1=15V 9
8M
N
7
6
5
4
18
m
V
D2=15V
V
D3=15V
V
D4=15V
5V
V
10
19
IO
VF
M
N
V
A
ID
m
n
V
D*
STK611-721-E
No.A1718-6/9
Switching time (The circuit is a representative example of the lower side U phase.)
Fig.5
VCC
CS
IO
VD1=15V 1
2
3
8
2
4
5
7
8
21
14
10
19
VD2=15V
VD3=15V
VD4=15V
Input signal
IO
tOFF
10%
tON
90%
Input signal
(0 to 5V)
STK611-721-E
No.A1718-7/9
Sample Application Circuit
VD1
CB
RP +5V
VD2
CB
VD3
CB
DB
RB
RF
CFTo ITRIP
VD=15V
CD
W,VS3:4
ITRIP:10
W,VS3:4
VB3:5
V,VS2:6
VB2:7
U,VS1:8
VB1:9
TH:1
HIN1:11
HIN2:12
HIN3:13
LIN1:14
LIN2:15
LIN3:16
FAULT/EN:17
VDD:18
VSS:19
V,VS2:6 Control
circuit
(5V)
U,VS1:8
-:2
+:3
M
STK611-721-E
CS1 CS2
Rshunt
VCC
RP +5V
Recommendation Operating Conditions
Parameter Symbol Conditions min typ max unit
Supply voltage VCC + to - terminal 0 400 V
VD1, 2, 3 VB1 to U, VB2 to V, VB3 to W 12.5 15 17.5Pre-driver supply voltage
VD4 VDD to VSS *1 13.5 15 16.5 V
ON-state input voltage VIN(ON) 3.0 5.0
OFF-state input voltage VIN(OFF)
HIN1, HIN2, HIN3,
LIN1, LIN2, LIN3 0 0.3
V
PWM frequency fPWM 1 20 kHz
Dead time DT Turn-off to turn-on 2 μs
Allowable input pulse width PWIN ON and OFF 1 μs
Tightening torque ‘M3’ type screw 0.4 0.6 N•m
*1 Pre-driver power supply (VD4 = 15±1.5V) must have the capacity of IO = 20mA (DC), 0.5A (Peak).
Usage Precaution
STK611-721-E
No.A1718-8/9
Usage Precaution
1. By the addition of the diode for the bootstrap (DB : high speed type with withstand voltage of 600V or more) and of
the capacitor (CB : about 1 to 47μF), a single power supply drive is enabled. In this case, an electric charge is
charged to CB by turning on the lower side IGBT (By inputting LOW signal to lower side). The problem of causing
the adverse effect by the noise etc. might occur because big charging current flows when the voltage of CB is low as
started, and put limitation resistor RB (About tens of Ω from the number of Ω), please. (When not using bootstrap
circuit, each upper side pre-driver needs an external independent power supply.) Also, the upper side power supply
voltage sometimes declines depending on controlling condition. Please confirm the voltage with an actual set.
2. The voltage jump associated with vibration caused by the switching operation occurs through the influence of
floating inductance on the wiring of the external power supply, which is connected to “+” and “-” terminals; therefore,
it is recommended that the wiring inductance be low by shortening the wiring length (between CI and each terminal)
and the snubber circuit (capacitor/CS/about 0.1 to 10μF) for voltage absorption be connected as close as possible
between “+” and “-” terminals to reduce the surge voltage.
3. Output form of “FAULT/EN” terminal (pin 17) is open DRAIN (it operates as “FAULT” when becoming “LOW”).
Moreover, please connect the pull-up resistor (RP) so that the voltage of this terminal may usually become 2.5V or
more because this terminal holds the shutdown input of internal pre-driver (It usually operates by 2.5V or more, and
stop operation by 0.8V or less) concurrently. When the pull-up voltage is 5V, use RP with resistance 6.8kΩ or more,
and in case of 15V, use RP with resistance 20kΩ or more.
4. Inside the H-IC, a thermistor is connected between “TH” terminal (pin 1) and “VSS” terminal (pin 19). The
thermistor can be used as the temperature monitor by connecting the pull-up resistor (RP) externally. When the pull-
up voltage is 5V, use “RP” with resistance 10kΩ or more, and in case of 15V, use “RP” with resistance 39kΩ or
more.
5. Although the pull-down resistor is connected with the inside of the signal input terminal, connect the pull-down
resistor (about 2.2 to 3.3kΩ) outside to decrease the influence of the noise by wiring etc.
6. The H-IC may be destroyed when the motor connection terminals (pins 4, 6 and 8) are opened while the motor is
running; therefore please be especially careful about the connection (soldering condition) of these terminals.
7. The “ITRIP” terminal (pin 16) is the input terminal of the built-in comparator. It can stop operation by inputting the
voltage
more than VITRIP (0.41V to 0.52V). (Apply voltage less than VITRIP to this pin when normal operation).
Please use it as various protections such as the overcurrent protection (feedback from external shunt resistor).
In addition, the protection operation will not be latched.
After the protection operation ends, the H-IC operation resumes typ.8ms later. Therefore, turn all the input signals
OFF (low) as soon as the protection operation is detected.
8. When input pulse width is less than 1μs, an output may not react to the pulse. (Both ON signal and OFF signal)
This data shows the example of the application circuit and does not guarantee a design as the mass production set.
PS NoAmx
STK611-721-E
No.A1718-9/9
PS
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