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MITSUBISHI HYBRID IC
M57161L-01
FOR DRIVING TRENCH-GATE IGBT
DESCRIPTION M57161L-01 is a hybrid IC designed to drive trenchgate IGBT module with built in RTC. This device can operate by an input of +15V because of electrical isolation between the input and output by an opto coupler,and the built in DC-DC converter isolated between a pair of positive/negative outputs for gate driving. With built in protection circuits,this devices can maintain a reverse bias for a predetermined time after the detection of an over current(short circuit). Therefore,the protective system operates with a margin of time. The over current(short circuit) detector functions with RTC circuit built in IGBT module to detect a drop of gate voltage. Recommend module ; IGBT module (F)series FEATURES q Built in insulated DC-DC converter for IGBT drive q Built in short circuit protection circuit q Electrical isolation between input and output with opto-coupler (Vios=2500Vrms for 1minute) APPLICATION To drive IGBT module for inverter or AC servo systems application BLOCK DIAGRAM
OUTLINE DRAWING
83.0max
Dimentions : mm
6.0max
4.5max 2.54x28=71.12 5.5max
30.0max
11.0max 15.0max
19 VCC
VD
1 2 DC-AC converter 3 4 Constant voltage circuit VCC detect
Timer
VGE error detect
28 29
SC detect Gate detect
18 GND
VIN 5
390
22
Interface
23 Vo
Error out
6 Opto-coupler
24 27 17 Error out VEE
Mar. 2002
MITSUBISHI HYBRID IC
M57161L-01
FOR DRIVING TRENCH-GATE IGBT
ABSOLUTE MAXIMUM RATINGS
Symbol VD VI Vo IOHP IOLP Viso Tc Topr Tstg IFO VR Parameter Supply voltage Input voltages Output voltages Output current Isolation voltage Case temperature Operating temperature Storage temperature Fault output current Applied 29 pin
(Unless otherwise specified, Ta = 25C)
Conditions Applied between:5-6 At the output voltage "H" VD=15.7V Pulse width 1s, f20kHz Sine-wave voltage 60Hz, 1min
Input current 27pin
Ratings 16 -1 ~ +7 16.5 -7 7 2500 85 -20 ~ +60 -25 ~ +100 25 VCC
Units V V V A A Vrms C C C mA V
ELECTRICAL CHARACTERISTICS
Symbol VD VIN IIH f RG IIH VCC VEE VOH VOL t PLH tr t PHL tf t timer IFO tc td VCL VSC Parameter Supply voltage Pull-up voltage on input side "H" Input current Switching frequency Gate resistor
(Ta = 25C, VD = 15.0V, VIN = 5.0V, f = 20kHz, RG = 2.2 : CM600HU-24F)
Test conditions Recommended range Recommended range Recommended range Recommended range Recommended range VIN=5V VIN=0V, f=0Hz VIN=0V, f=0Hz
Limits Min. 14.3 4.5 9 -- 2.2 -- 17.0 -5.5 14 -4.0 -- -- -- -- 1.5 -- -- -- 14.2 11.0 Typ. 15.0 5.0 10 -- -- 10 17.4 -6.5 15.5 -5.0 0.4 0.4 1.3 0.4 -- 12 3.5 6.5 15.2 11.6 Max. 15.7 5.5 11 20 -- -- 17.8 -7.5 16.5 -6.0 1 0.5 2.0 0.5 2.5 -- -- -- 16.2 12.2
Unit V V MA kHz mA V V V V s s s s ms mA s s V V
"H" Input current Gate + supply voltage Gate - supply voltage "H" Output voltage "L" Output voltage "L-H" Propagation time "L-H" Rise time "H-L" Propagation time "H-L" Fall time Timer Fault output current Controlled time detect delay time Short-circuit protect delay time Start voltage for protection at lower VCC Over-current detect voltage
IIH=10mA IIH=10mA IIH=10mA IIH=10mA Between start and cancel(Under input signal "L") Applied 27pin R=470 In the rise time 29pin :11V, 28pin :open In the rise time 29pin :11V, 28pin :open The required minimum of positive power supply for gate when Vo is in the state of "H"
Mar. 2002
MITSUBISHI HYBRID IC
M57161L-01
FOR DRIVING TRENCH-GATE IGBT
APPLICATION CIRCUIT EXAMPLE 1 (Direct driving)
1 2
29 RG 23 Ctrip 28 RTC
470F
+
VD VD=15V5%
+
CM600HU-24F
3 4
M57161L 19
-01
22 18
2.2F
VIN=5V5%
VIN
5 6 27
RG 2.2 Ctrip : Please refer to the next page
+
17
470F
Control signal
24 3.3k
470
APPLICATION CIRCUIT EXAMPLE 2 (Additional transistor for output current)
4.7k
CM600HU-24F (Parallel connection)
1 2
+
29 Ro 23 Ctrip 28 RG RTC RG
+
VD VD=15V5%
3 4
RTC
M57161L 19
-01
22
Co
Co+
VIN=5V5% VIN Control signal
5 6 27
18 17 24
+
Co-
3.3
Ro hfexRG/2 Ctrip : Please refer to the next page
470
The maximum switching frequency in this example : 10kHz
Co+, Co- : More than 1000F (please use an electrolytic capacitor with ripple current admissible for output peak current) Co : A few F The connection to decrease the peak of ripple current
Mar. 2002
MITSUBISHI HYBRID IC
M57161L-01
FOR DRIVING TRENCH-GATE IGBT
OPERATION OF PROTECTION CIRCUIT
VCC
19 28
Timer circuit
VGE detect
29
GND
18 22
+
330
RG
Interface
23 24
+
Error out
VEE 27
RTC
330F
17 3.3k 470
FLOW CHART 1. The VGE error detect circuit operates when an input signal is in the state of "H". 2. An error judgment is made when VGE becomes below VSC (=11v : min). 3. The VGE error detect circuit does not function until the time when the gate voltage reaches VSC (=12.2V : max). The tc (=3.5s) of controlled time detect short circuit is set in order to ensure the turn-on of IGBT modules. 4. If a rise time of gate voltage is longer than 3.5s, the tc can be adjusted by connecting a capacitor (Ctrip) between pins 28 and 18. Please refer to td vs. Ctrip CHARACTERISTICS on page 6/6. 5. The td is a delay time due to signal transmission of each protection circuit. 6. If short-circuit current flows at turn-on, the controlled time detect short circuit (td) is included to the td of short-circuit protect delay time. The td can be changed through Ctrip. As a gate shutdown of IGBT modules within 10 s is recommended, Ctrip should be below 220pF in order to set the maximum of td below 10s
Start
Detecting of short circuit
Gate shutdown Operate timer start Output error sign
No
End of timer
Yes
No
Input sign = "L"
Yes Reset
Mar. 2002
MITSUBISHI HYBRID IC
M57161L-01
FOR DRIVING TRENCH-GATE IGBT
CONTROL OF IGBT MODULE DRIVER The timing chart for control of IGBT module drivers with electrical isolation between the input and output is as follows.
(1)Power supply
(2)Normal
applied
function start
(3)Occurrence of over-current or short-circuit current VG<11V (4) tc 3.5s (VG11V)
(6)Control signal "L" The protection circuit is cancelled.
Error detect 3~6ms
tc 3.5s (5) Fault output 27 pin "L" level td 6.5s ttimer 2.5ms
VFO
11V VG
Timing chart when protection circuit operates under over-current (short circuit) with power supply applied. DESCRIPTION OF TIMING CHART (1) When VCC is within 10 to 15 voltages, S/C detect output (VFO) is in the low state. The output vontage remains in the low state for 3 to 6 ms. If the power supply is applied in the high state of input signal, the output (Vo) remains in the low state. But VFO becomes in the low state for 3 to 6 ms. After normal function starts, if VCC is below the start voltage of protection circuit (Typ. 15.2V), VFO is low and Vo is low voltage for the same period. (2) After VFO returns to high level, control signal shoud be applied. (3) If over-current or short-circuit current flows between the collector and emitter of IGBT modules, the internal RTC circuit pulls the gate voltage down below 11V (4) When the turn-on of IGBT coincides with over-current or short-circuit current, the timer circuit functions after tc. (5) After td from the short-circuit or over-current, the output voltage of Vo is low and VFO is low voltage at the same time. The output remains low during the operating time of timer circuit regardless of input signals. (6) If the input signal is low level after ttimer, the protection function is cancelled. And then VFO returns to high voltage.
Mar. 2002
MITSUBISHI HYBRID IC
M57161L-01
FOR DRIVING TRENCH-GATE IGBT
CHARACTERISTICS CURVES
PROPAGATION DELAY TIME "L-H"tPLH(s) PROPAGATION DELAY TIME "H-L"tPHL(s)
PROPAGATION DELAY TIME "L-H"tPLH(s) PROPAGATION DELAY TIME "H-L"tPHL(s)
tPLH, tPHL vs. Ta CHARACTERISTICS (TYPICAL) 3.0 2.5 2.0 1.5 1.0
tPLH tPHL VD = 15V RG = 2.2 VIN = 5V LOAD : CM600HU-24F
tPLH, tPHL vs. VI CHARACTERISTICS (TYPICAL) 3.0
VD = 15V RG = 2.2 2.5 Ta = 25C LOAD : CM600HU-24F
2.0
tPHL
1.5 1.0
tPLH
0.5 0 -40
0.5 0.0 3.0
-20
0
20
40
60
80
4.0
5.0
6.0
7.0
AMBIENT TEMPERATURE Ta (C) td vs. Ta CHARACTERISTICS (TYPICAL) 14
SHORT-CIRCUIT PROTECTION DELAY TIME td (s) SHORT-CIRCUIT PROTECTION DELAY TIME td (s)
INPUT SIGNAL VOLTAGE VI (V) td vs. Ctrip CHARACTERISTICS (TYPICAL) 14
VD = 15V VSC = 11V
12 10
VD = 15V VSC = 11V
12 Ta = 25C 10 8 6 4 2 0 0 100
Ctrip = 100pF
8 6 4 2 0 -40 -20 0 20 40 60 80
Ctrip = 0
200
300
400
500
AMBIENT TEMPERATURE Ta (C) POWER DISSIPATION vs. AMBIENT TEMPERATURE (MAXIMUM RATING) 2.5
POWER DISSIPATION PD (W) DISSIPATION CURRENT (mA)
CONNECTIVE CAPACISTANCE Ctrip (pF), (Pin : 28-18) DISSIPATION CURRENT vs. SUPPLY VOLTAGE (TYPICAL) 120
Ta = 25C
2
100 80
INPUT SIGNAL "H"
1.5
INPUT SIGNAL "L"
60 40 20 0 12
1
0.5
0
0
20
40
60
80
100
13
14
15
16
17
AMBIENT TEMPERATURE Ta (C)
SUPPLY VOLTAGE VD (V)
Mar. 2002

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