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Power supply ON/OFF control and reverse connection protecting circuit (N-ch type)

Example of ON/OFF control and reverse connection protecting circuit using N-ch MOSFET for 12 V power lines

Power supply ON/OFF control and reverse connection protecting circuit (N-ch method)

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

Gate driver (for switch)

Part number	TPD7104AF	TPD7106F	TPD7107F
Package	PS-8 (2.8 x 2.9 mm)	SSOP16 (5.5 x 6.4 mm)	WSON10A (3 x 3 mm)
Features	Operating power supply voltage range: 5 to 18 V Built-in power supply reverse connection protection function (Supported for power supply reverse connection protection MOSFET applications)	Operating power supply voltage range: 4.5 to 27 V Built-in power supply reverse connection protection function (Supported for power supply reverse connection protection MOSFET applications)	Operating power supply voltage range: 5.75 to 26 V Current sense output Protective functions; overcurrent, overtemperature, GND disconnect, etc. reverse battery connection Diagnosis output; overcurrent, load open, overtemperature, etc.

Automotive driver ICs

General purpose small signal MOSFET

Part number		SSM3K7002KF	SSM3J168F	SSM3J66MFV
Package		S-Mini (SOT-346)	S-Mini (SOT-346)	VESM (SOT-723)
V_DSS[V]		60	-60	-20
I_D[A]		0.4	-0.4	-0.8
R_DS(ON) @\|V_GS\|=4.5 V [Ω]	Typ.	1.2	1.4	0.31
R_DS(ON) @\|V_GS\|=4.5 V [Ω]	Max	1.75	1.9	0.39
Drive voltage [V]		4.5	-4.0	-1.2
Polarity		N-ch	P-ch	P-ch

Automotive MOSFETs

General purpose small signal bipolar transistor

Package			SOT-23F		USM (SOT-323) UFM (SOT-323F)*		S-Mini (SOT-346)
Classification	\|V_CEO\| [V]	\|I_C\| [mA]	NPN	PNP	NPN	PNP	NPN	PNP
General purpose	50	150			2SC4116	2SA1586	2SC2712	2SA1162
General purpose	50	500					2SC3325	2SA1313
Low noise	120	100			2SC4117	2SA1587	2SC2713	2SA1163
High current	50	1700				2SA2195^*
	50	2000		TTA501
	100	2500	TTC501

Automotive bipolar transistors

Small signal bias resistor built-in transistor (BRT)

Part number		NPN (BRT)	PNP (BRT)
Package	ES6 (SOT-563)	RN1907FE	RN2907FE
Package	US6 (SOT-363)	RN1901	RN2901
V_CEO (Max) [V]		50	-50
I_C[mA]		100	-100

Automotive bias resistor built-in transistor (BRT)

TVS diode (for CAN communication)

Part number	DF3D18FU	DF3D29FU	DF3D36FU
Package	USM (SOT-323)
V_ESD[kV] @ISO 10605	±30	±30	±20
V_RWM(Max) [V]	12	24	28
C_t(Typ. / Max) [pF]	9 / 10		6.5 / 8
R_DYN (Typ.) [Ω]	0.8	1.1	1.5

Automotive TVS diodes

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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