MITSUBISHI SEMICONDUCTOR <Application Specific Intelligent Power Module>
PS12013-A
FLAT-BASE TYPE
INSULATED TYPE
Fig. 4 OUTPUT CURRENT ANALOGUE SIGNALING
LINEARITY
Fig. 5 OUTPUT CURRENT ANALOGUE SIGNALING
“DATA HOLD” DEFINITION
5
V C
V C –
4 min
max
V C – (200%)
V DH =15V
V DL =5V
T C = – 20 ~ 100?C
500 μ s
3
V C0
0V
V CH (5 μ s)
V CH (505 μ s)
2
V C +(200%)
r CH =
V CH (505 μ s)-V CH (5 μ s)
V CH (5 μ s)
1
Analogue output signal
data hold range
V C +
Note ; Ringing happens around the point where the signal output
voltage changes state from “analogue” to “data hold” due
0
–400 –300 –200 –100
0
100 200 300 400
to test circuit arrangement and instrumentational trouble.
Therefore, the rate of change is measured at a 5 μ s delayed point.
Real load current peak value.(%)(I c =I o ! 2)
Fig. 6 INPUT INTERLOCK OPERATION TIMING CHART
Input signal V CIN(p) of each phase upper arm
0V
Input signal V CIN(n) of each phase lower arm
0V
Gate signal V o(p) of each phase upper arm
(ASIPM internal)
Gate signal V o(n) of each phase upper arm
(ASIPM internal)
Error output F O1
0V
0V
0V
Note : Input interlock protection circuit ; It is operated when the input signals for any upper-arm / lower-arm pair of a phase are simulta-
neously in “LOW” level.
By this interlocking, both upper and lower IGBTs of this mal-triggered phase are cut off, and “F O ” signal is outputted. After an “input
interlock” operation the circuit is latched. The “F O ” is reset by the high-to-low going edge of either an upper-leg, or a lower-leg input,
whichever comes in later.
Fig. 7 TIMING CHART AND SHORT CIRCUIT PROTECTION OPERATION
Input signal V CIN of each phase
upper arm
Short circuit sensing signal V S
0V
Gate signal Vo of each phase
0V
S C delay time
upper arm(ASIPM internal)
Error output F O1
0V
0V
Note : Shor t circuit protection operation. The protection operates with “F O ” flag and reset on a pulse-by-pulse scheme. The protection by
gate shutdown is given only to the IGBT that senses an overload (excluding the IGBT for the “Brake”).
Jan. 2000
相关PDF资料
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