Drive circuit for brushless DC motor

Example of a brushless DC motor drive circuit for active suspensions

Drive circuit for brushless DC motor

Lineup

U-MOS Series 40 V N-ch MOSFET

Part number

Rated drain current
[A]

On-resistance (Max)
[mΩ] @VGS = 10 V

Package

XPN3R804NC

40

3.8

TSON Advance(WF)

TK1R4S04PB

120

1.35

DPAK+

XPHR7904PS

150

0.79

SOP Advance(WF)

TPWR7904PB

150

0.79

DSOP Advance(WF)L

XPJR6604PB *

(200)

(0.66)

S-TOGL™

XPQR3004PB

400

0.30

 L-TOGL™

* : Under development (Values enclosed in parentheses are tentative specifications. Specifications are subject to change without notice.)

Automotive MOSFETs

Gate driver (for motor)

Part number

TPD7211F

TPD7212F

 TPD7212FN

Function

Half bridge output gate driver

Gate driver for three-phase brushless motor

Number of output

2 outputs

6 outputs

Package

 PS-8 (2.8 x 2.9 mm)

P-WQFN32-0505-0.50-002

 SSOP30-P-300-0.65

Features
  • For high side P-ch MOSFET drive
  • For driving high side N-ch MOSFET
    (with built-in charge pumps)
  • Built-in voltage monitoring function
    (power supply, output)

Automotive driver ICs

Brushless DC motor pre driver

Part number

TB9081FG

TB9083FTG

Package

LQFP64

VQFN48

Package body size

10.0 x 10.0 mm

7.0 x 7.0 mm
Operating ambient temperature Ta = -40 to 125 °C Ta = -40 to 150 °C

Function

Control method

Direct

Direct

External MOSFET

(High side / Low side)

N-ch / N-ch

N-ch / N-ch

Detection of overheating,
low voltage and short circuit

✔

✔

Output of detection function
diagnosis result

✔     (BIST [Note])

✔    (BIST)

[Note] Built-in Self Test

Automotive brushless motor driver ICs

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* S-TOGL™ and L-TOGL™ are trademarks of Toshiba Electronic Devices & Storage Corporation.
* All other company names, product names, and service names may be trademarks of their respective companies.

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