Battery shutdown circuit

Example of a battery shutdown circuit using a mechanical relay

Battery shutdown circuit

Lineup

MOSFET with a built-in active clamp circuit

Part number

 SSM3K347R SSM3K337R

Package

SOT-23F

SOT-23F

VDS(DC) [V]

38

38

ID [A]

2

2

RDS(ON) [mΩ]

@VGS = 4.0 V

Typ.

350

161

Max

480

200

Polarity

N-ch

N-ch

Automotive MOSFETs

Low side switch / High side switch (up to 1 A)

Function

Low side switch

High side switch

Part number

 TPD1044F TPD1054F TPD1052F

Package

PS-8 (2.8 x 2.9 mm)

Features
  • Overcurrent / overtemperature protection
  • Active clamp
  • On-resistance: 0.6 Ω
  • Overcurrent / overtemperature protection
  • Active clamp
  • Diagnostic output function
  • On-resistance: 0.8 Ω
  • Overcurrent / overtemperature protection
  • Diagnostic output function
  • On-resistance: 0.8 Ω

Automotive Driver ICs

Low side switch / High side switch (1 to 5 A)

Function

Low side switch

High side switch

Part number

 TPD1058FA TPD1055FA

Package

WSON10 (3 x 3 mm)

Feature
  • Overcurrent / overtemperature protection
  • Active clamp
  • Diagnostic output function
  • On-resistance: 0.1 Ω
  • Overcurrent / overtemperature protection
  • Diagnostic output function
  • On-resistance: 0.12 Ω

Automotive Driver ICs

General purpose small signal bipolar transistor

Package

SSM (SOT-416)

USM (SOT-323)

UFM (SOT-323F)*

S-Mini (SOT-346)

Classification

|VCEO| [V]

|IC| [mA]

NPN

PNP

NPN

PNP

NPN

NPN

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   TTC501        

50

 2500 TTA501          

* indicates UFM package

Automotive Bipolar Transistors

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 [V]

50

-50

IC [mA]

100

-100

Automotive Bias Resistor Built-in Transistors (BRTs)

TVS diode (for CAN communication)

Part number DF3D18FU DF3D29FU DF3D36FU
Package

USM(SOT-323)
VESD [kV] @ISO10605 ±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

Automotive TVS Diodes

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