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Brushed DC motor drive circuit (N-ch type)

Example of brushed DC motor drive circuit for EPS

Lineup

U-MOS Series 40 V N-ch MOSFET

Part number	Drain current	On-resistance (Max) @V_GS= 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+

Automotive MOSFETs

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	✔

Automotive brushed DC motor driver ICs

Power supply IC (for MCU)

Part number		TB9005FNG
Package		SSOP20(6.4 x 7.0 mm)
Current consumption I_CC(Typ.) [μA]		90 (@V_IN= 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	✔

Automotive System Power Supplies ICs

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

Automotive System Power Supplies ICs

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