Brushed DC motor drive circuit (N-ch type)

Example of brushed DC motor drive circuit for EPS

Brush motor drive circuit

Lineup

U-MOS Series 40 V N-ch MOSFET

Part number

Drain current

On-resistance (Max)

@VGS = 10 V

Package

XPN3R804NC

40 A

3.8 mΩ

TSON Advance(WF)

TK1R4S04PB

120 A

1.35 mΩ

DPAK+

TPHR7904PB

150 A

0.79 mΩ

SOP Advance(WF)

TPWR7904PB

150 A

0.79 mΩ

DSOP Advance(WF)L

TKR74F04PB

250 A

0.74 mΩ

TO-220SM(W)

TK1R5R04PB

160 A

1.5 mΩ

D2PAK+

Brushed DC motor pre driver

Part number

TB9057FG

Package

 LQFP48

Package body size

7.0 x 7.0 mm

Function

Control method

Direct

External MOSFET (High side / Low side)

N-ch / N-ch

Detection of overheating, low voltage and short circuit

Output of detection function diagnosis result

Power supply IC (for MCU)

Part number

TB9005FNG

Package

SSOP20(6.4 x 7.0 mm)

Current consumption ICC (Typ.) [μA]

90 (@VIN = 12 V, Ta = 25 °C)
Load stability VLOAD (Max) [%] 1 (@ILOAD = 1 to 300 mA)

Function

Number of outputs

1 ch (5 V)

Circuit type External transistor type

WDT,Overcurrent limitation

Power supply IC (for MCU, built-in tracker)

Part number

TB9044AFNG

Package

HTSSOP48-P-300-0.50

Package body size

8.1 x 12.5 mm
Operating voltage range 2.7 to 28 V

Function

LDO1 Output voltage (1 ch) 5.0 V @ 400 mA
Tracking Voltage difference (3 ch) LDO1 ±20 mV @ 100 mA

WDT*, Over temperature detection, overcurrent detection

Part number

TB9045FNG-110

TB9045FNG-120 TB9045FNG-125 TB9045FNG-150

Package

HTSSOP48-P-300-0.50

Package body size

8.1 x 12.5 mm
Operating voltage range 2.7 to 28 V

Function

Core power supply voltage (1 ch) @ 800 mA 1.1 V 1.2 V 1.25 V 1.5 V
LDO1 Output voltage (1 ch) 5.0 V @ 400 mA
Tracking Voltage difference (3 ch) LDO1 ±20 mV @ 100 mA

WDT*, Over temperature detection, overcurrent detection

*Watchdog Timer

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