EVBD4400
In Figures 4 & 5, the schematic assumes the de-
signer will be using some type of external control system
for starting the circuit and/or reseting the circuit in the
event a fault occures. As an alternative, Figure 6
demonstrates a simple and inexpensive Start/Reset logic
circuit for manually implementing fault protection.
With the addition of High Current MOSFET Drivers on
the outputs, the IXBD4410/11's typical 2A Peak Output
Current capability can be "boosted" to drive the latest
IXYS MOSFETS & IGBT's.
Figure 6 shows the addition of two IXDD414's.
These are CMOS high-speed MOSFET drivers that
have a 14A Peak Output Drive Capability, allowing the
4410/11 chipset to drive a pair of IXFK90N20Q 90A/
200V Power Mosfets. (The 2 ohm gate resistors
shown should be Non-Inductive High Performance Film
resistors such at those available from Caddock. Par-
ticular attention also needs to be paid to Suppy By-
passing, Grounding, and minimizing the Output Lead
Inductance when designing such a high power circuit
layout).
INH
74HC00 3/4
9
8
10
74HC04 2/6
3 4
To Eval bd INH
FLT Reset
Vcc
10K
74HC00 1/4
INL
74HC00 4/4
12
11
13
74HC04 1/6
1 2
To Eval bd INL
.01uF
Vcc
1
2
3
(From FLT) (n.h.)
10K
74HC00 2/4
4
6
5
.01uF
Figure 6: Simple Fault Protection Logic Circuit
7
相关PDF资料
EVBUSB2SER USB TO SERIAL BRIDGE
EVDN404 BOARD EVALUATION IXDN404
EVDN414 BOARD EVALUATION IXDN414
EVDP610 BOARD EVALUATION IXDP610
EYP-2MT098B THERMAL CUTOFF 98C 2A/50VDC TAB
EZ3-A230XF1 SURGE ARRESTER 230V GASTUBE 3PIN
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