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

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

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

Lineup

U-MOS Series -40 V / -60 V P-ch MOSFET

Part number

Drain-source

Voltage

Drain current

On-resistance (Max)

@VGS= -10 V

Package

TJ90S04M3L

-40 V

-90 A

4.3 mΩ

DPAK+

TJ60S06M3L

-60 V

-60 A

11.2 mΩ

XPH3R114MC

-40 V

-100 A

3.1 mΩ

SOP Advance(WF)

TJ200F04M3L

-40 V

-200 A

1.8 mΩ

TO-220SM(W)

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        
100 2500 TTC501          

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 (Max) [V]

50

-50

I[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

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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