Drive circuit for brushless DC motor

Example of drive circuit for brushless DC motor

Inverter circuit

Lineup

IC output photocoupler

Part number

TLX9304

TLX9309

TLX9310

TLX9378

TLX9376

Isolation voltage [Vrms]

3750

3750

3750

3750

3750

Output type

Open collector (INV)

Open collector (INV)

Totem pole (BUF)

Open collector (INV)

Totem pole (INV)

Power supply voltage [V]

30

30

6

6

6

Threshold input current (Max) [mA]

5

Analog

1

5

4

Power supply current (Max) [mA]

1.3

-

0.3

1.3

1.7

Data rate (Typ.)

1 Mbps

1 Mbps

5 Mbps

10 Mbps

20 Mbps

AEC-Q101

General purpose small signal MOSFET

Part number

SSM3K7002KF

SSM3J168F

SSM3J66MFV

Package

S-Mini (SOT-346)

S-Mini (SOT-346)

VESM (SOT-723)

VDSS [V]

60

-60

-20

ID [A]

0.4

-0.4

-0.8

RDS(ON)

@|VGS| = 4.5 V [Ω]

Typ.

1.2

1.4

0.31

Max

1.75

1.9

0.39

Drive voltage [V]

4.5

-4.0

-1.2

Polarity

N-ch

P-ch

P-ch

General purpose small signal bipolar transistor

Package

SOT-23F

USM (SOT-323)

UFM (SOT-323F)* 

S-Mini (SOT-346) 

 

Classification

|VCEO| [V]

|IC| [mA]

NPN

PNP

NPN

PNP

NPN

PNP

General purpose

50

150

 

 

2SC4116

2SA1586

2SC2712

2SA1162

50

500

 

 

 

 

2SC3325

2SA1313

Low noise

120

100

 

 

2SC4117

2SA1587

2SC2713

2SA1163

High current

50

1700

 

 

 

2SA2195*

 

 

50

2000

 

TTA501

 

 

 

 

50

2500

TTC501

 

 

 

 

 

* indicates UFM package

Small signal bias resistor built-in transistor (BRT)

Part number

NPN (BRT)

PNP (BRT)

Package

ES6 (SOT-563)

RN1907FE

RN2907FE

US6 (SOT-363)

RN1901

RN2901

VCEO [V]

50

-50

IC [mA]

100

-100

TVS diode (for CAN communication)

Part number

DF3D18FU

DF3D29FU

DF3D36FU

Package

USM (SOT-323)

VESD [kV] @ISO 10605

±30

±30

±20

VRWM (Max) [V]

12

24

28

Ct (Typ. / Max) [pF]

9 / 10

6.5 / 8

RDYN (Typ.) [Ω]

0.8

1.1

1.5

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