參數(shù)資料
型號(hào): 99026
廠商: IXYS Corporation
英文描述: HALF BRIDGE DRIVER Evaluation Board
中文描述: 半橋驅(qū)動(dòng)器評(píng)估板
文件頁數(shù): 7/8頁
文件大?。?/td> 839K
代理商: 99026
7
EVBD4400
FLT Reset
Vcc
(From FLT)(n.h.)
10K
.01uF
To Eval bd INH
To Eval bd INL
INH
INL
1
2
3
4
5
6
9
10
8
12
13
11
1 2
34
74HC00 1/4
74HC00 2/4
74HC00 3/4
74HC00 4/4
74HC04 1/6
74HC04 2/6
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: Simple Fault Protection Logic Circuit
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).
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