SIM6892MS datasheet(29/55 Pages) SANKEN

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SIM689xM Series

SIM689xM-DSE Rev.3.4

SANKEN ELECTRIC CO., LTD.

Mar. 05, 2024

https://www.sanken-ele.co.jp/en

Heatsink

Thermal silicone

grease application area

1.25

31.3

Unit: mm

7.4

M2.5

Screw hole

Figure 13-2.

Reference Application Area for Thermal

Silicone Grease

13.3 Considerations in IC Characteristics

Measurement

When measuring the breakdown voltage or leakage

current of the transistors incorporated in the IC, note that

the gate and source (emitter) of each transistor should

have the same potential. Moreover, care should be taken

during the measurement because each transistor is

connected as follows:

● All the high-side drains (collectors) are internally

connected to the VBB pin.

● In the U-phase, the high-side source (emitter) and the

low-side drain (collector) are internally connected to

the U pin. (In the V- and W-phases, the high- and

low-side transistors are unconnected inside the IC.)

The gates of the high-side transistors are pulled down

to the corresponding output (U, V/V1, and W1) pins;

similarly, the gates of the low-side transistors are pulled

down to the COM2 pin. When measuring the breakdown

voltage or leakage current of the transistors, note that all

of the output (U, V, and W1), LSx, and COMx pins

must

appropriately

connected.

Otherwise,

the

switching transistors may result in permanent damage.

The following are circuit diagrams representing

typical measurement circuits for breakdown voltage:

Figure 13-3 shows the high-side transistor (Q1H) in the

U-phase; Figure 13-4 shows the low-side transistor (Q1L)

in the U-phase. And all the pins that are not represented

in these figures are open. When measuring the high-side

transistors, leave all the non-measuring pins open. When

measuring the low-side transistors, connect only the

measuring LSx pin to the COMx pin and leave the other

pins open.

COM2

COM1

VBB

LS3B

LS2

LS3A

LS2

LS1

High-side

MIC

Q1H

Q1L

Q2L Q3L

Q2H

Q3H

Low-side

MIC

Figure 13-3.

Typical Measurement Circuit for High-

side Transistor (Q1H) in U-phase

COM2

COM1

VBB

LS3B

LS2

LS3A

LS2

LS1

High-side

MIC

Q1H

Q1L

Q2L Q3L

Q2H

Q3H

Low-side

MIC

Figure 13-4.

Typical Measurement Circuit for Low-

side Transistor (Q1L) in U-phase

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