Automotive Engine Control

Automotive Engine Control

Such as reduction of power consumption and miniaturization are important in designing engine control. Toshiba provides information on a wide range of semiconductor products suitable for power management circuit, injector drive circuit, actuator drive circuit, etc., along with circuit configuration examples.

Overall block diagram

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 Control Unit Control Unit CAN Transceiver CAN Transceiver Fuel Injectors Fuel Injectors Throttle Motor Throttle Motor EGR Motor EGR Motor Relays Relays Solenoids Solenoids Motor Driver Motor Driver High / Low Side Driver High / Low SideDriver DC-DC Converter and Driver DC-DC ConverterandDriver Battery Battery Power Supply Power Supply Engine control ECU Engine control ECU TVS TVS Ignition Plugs Ignition Plugs Driver Driver Switch Switch Sensor Sensor Sensor Sensor · · · · · · · · · · Other ECU Other ECU Low side/High side switch drive circuit Power supply ON/OFF control and reverse connection protection circuit Motor drive for engine control valves Fuel injection system Power supply control circuit
Fuel injection system

Example of fuel injection circuit for engine control

Power supply control circuit

Example of mechanical relay drive circuit for engine control

Low side/High side switch drive circuit

Example of low side and high side switch drive circuits for engine control

Motor drive for engine control valves

Example of motor drive engine control valves drive circuit for engine control

Power supply ON/OFF control and reverse connection protection circuit

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

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

Sub block diagram

Fuel injection system
Fuel injection system

Example of fuel injection circuit for engine control

Example of fuel injection circuit for engine control
U-MOS Series 40 V N-ch MOSFET
Part Number
Toshiba Package Name TSON Advance(WF) DPAK+ SOP Advance(WF) DSOP Advance(WF)L S-TOGL L-TOGL
VDSS (Max) [V] 40 40 40 40 40 40
ID (Max) [A] 40 120 150 150 200 400
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0038 0.00135 0.00079 0.00079 0.00066 0.00030
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
U-MOS Series 100 V N-ch MOSFET(1)
Part Number
Toshiba Package Name TSON Advance(WF) DPAK+ SOP Advance(WF) SOP Advance(WF)
VDSS (Max) [V] 100 100 100 100
ID (Max) [A] 30 60 70 45
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0133 0.00611 0.0041 0.0063
Polarity N-ch N-ch N-ch N-ch
U-MOS Series 100 V N-ch MOSFET(2)
Part Number
Toshiba Package Name DSOP Advance(WF)L DSOP Advance(WF)M L-TOGL
VDSS (Max) [V] 100 100 100
ID (Max) [A] 70 45 300
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0041 0.0063 0.00103
Polarity N-ch N-ch N-ch
Power supply control circuit
Power supply control circuit

Example of mechanical relay drive circuit for engine control

Example of mechanical relay drive circuit for engine control
MOSFET with a built-in active clamp circuit
Part Number
Toshiba Package Name SOT-23F SOT-23F
VDSS (Max) [V] 38 38
ID (Max) [A] 2.0 2.0
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.41 0.176
Polarity N-ch + Active Clamp Zener N-ch + Active Clamp Zener
Low side switch / High side switch (up to 1 A)
Part Number
Toshiba Package name PS-8 PS-8 PS-8
VBB (Max) [V]      
VCC (Max) [V]      
IO (Max) [A]   1.0 0.8
General purpose small signal MOSFET
Part Number
Toshiba Package Name SOT-346 (S-Mini) SOT-346 (S-Mini) SOT-723 (VESM)
VDSS (Max) [V] 60 -60 -20
ID (Max) [A] 0.4 -0.4 -0.8
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 1.75 1.9 0.39
Polarity N-ch P-ch P-ch
General purpose small signal bipolar transistor
Part Number
Toshiba Package Name SOT-416 (SSM) SOT-416 (SSM) SOT-323 (USM) SOT-323 (USM) SOT-346 (S-Mini) SOT-346 (S-Mini)
VCEO (Max) [V] -50 50 50 -50 50 -50
IC (Max) [A] -0.15 0.15 0.15 -0.15 0.15 -0.15
Polarity PNP NPN NPN PNP NPN PNP
General purpose small signal bias resistor built-in transistor (BRT)
Part Number
Toshiba Package Name SOT-563 (ES6) SOT-563 (ES6) SOT-363 (US6) SOT-363 (US6)
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [A] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [A] 0.1 -0.1 0.1 -0.1
Polarity (Q1) NPN PNP NPN PNP
Polarity (Q2) NPN PNP NPN PNP
TVS diode (for CAN communication)
Part Number
Toshiba Package Name SOT-323 (USM) SOT-323 (USM) SOT-323 (USM)
VESD (Max) [kV] +/-30 +/-25 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.8 1.1 1.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 9 9 6.5
Low side/High side switch drive circuit
Low side / High side switch drive circuit

Example of low side and high side switch drive circuits for engine control

Example of low side and high side switch drive circuits for engine control
Low side switch / High side switch (up to 1 A)
Part Number
Toshiba Package name PS-8 PS-8 PS-8
VBB (Max) [V]      
VCC (Max) [V]      
IO (Max) [A]   1.0 0.8
Low side switch / High side switch (1 to 5 A)
Part Number
Toshiba Package name WSON10 WSON10
VBB (Max) [V]    
VCC (Max) [V]    
IO (Max) [A] 6.0 3.0
Motor drive for engine control valves
Motor drive for engine control valves

Example of motor drive engine control valves drive circuit for engine control

Example of motor drive engine control valves drive circuit for engine control
Brushed DC motor driver
Part Number
Toshiba Package Name P-QFN28-0606-0.65 P-QFN40-0606-0.50 P-VQFN40-0606-0.50
Product Category H-bridge driver for automobile H-bridge driver for automobile H-bridge driver for automobile
Power supply ON/OFF control and reverse connection protection circuit
Power supply ON/OFF control and reverse connection protection circuit (P-ch type)

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

Example of ON/OFF control and reverse connection protecting circuit using P-ch MOSFET for 12 V power lines
U-MOS Series -40 V / -60 V P-ch MOSFET
Part Number
Toshiba Package Name TSON Advance(WF) SOP Advance(WF) SOP Advance(WF) DPAK+
VDSS (Max) [V] -40 -40 -60 -40
ID (Max) [A] -40 -100 -90 -90
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0096 0.0031 0.0083 0.0043
Polarity P-ch P-ch P-ch P-ch
General purpose small signal MOSFET
Part Number
Toshiba Package Name SOT-346 (S-Mini) SOT-346 (S-Mini) SOT-723 (VESM)
VDSS (Max) [V] 60 -60 -20
ID (Max) [A] 0.4 -0.4 -0.8
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 1.75 1.9 0.39
Polarity N-ch P-ch P-ch
General purpose small signal bipolar transistor
Part Number
Toshiba Package Name SOT-416 (SSM) SOT-416 (SSM) SOT-323 (USM) SOT-323 (USM) SOT-346 (S-Mini) SOT-346 (S-Mini)
VCEO (Max) [V] -50 50 50 -50 50 -50
IC (Max) [A] -0.15 0.15 0.15 -0.15 0.15 -0.15
Polarity PNP NPN NPN PNP NPN PNP
Small signal bias resistor built-in transistor (BRT)
Part Number
Toshiba Package Name SOT-563 (ES6) SOT-563 (ES6) SOT-363 (US6) SOT-363 (US6)
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [A] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [A] 0.1 -0.1 0.1 -0.1
Polarity (Q1) NPN PNP NPN PNP
Polarity (Q2) NPN PNP NPN PNP
TVS diode (for CAN communication)
Part Number
Toshiba Package Name SOT-323 (USM) SOT-323 (USM) SOT-323 (USM)
VESD (Max) [kV] +/-30 +/-25 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.8 1.1 1.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 9 9 6.5
Power supply ON/OFF control and reverse connection protection circuit (N-ch type)

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

Example of ON/OFF control and reverse connection protecting circuit using N-ch MOSFET for 12 V power lines
U-MOS Series 40 V N-ch MOSFET
Part Number
Toshiba Package Name TSON Advance(WF) DPAK+ SOP Advance(WF) DSOP Advance(WF)L S-TOGL L-TOGL
VDSS (Max) [V] 40 40 40 40 40 40
ID (Max) [A] 40 120 150 150 200 400
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0038 0.00135 0.00079 0.00079 0.00066 0.00030
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
Gate driver (for switch)
Part Number
Toshiba Package name PS-8 SSOP16 WSON10A
VBB (Max) [V]      
VCC (Max) [V]      
IO (Max) [A] +5mA/ Internally Limited   Internally Limited /-5m
General purpose small signal MOSFET
Part Number
Toshiba Package Name SOT-346 (S-Mini) SOT-346 (S-Mini) SOT-723 (VESM)
VDSS (Max) [V] 60 -60 -20
ID (Max) [A] 0.4 -0.4 -0.8
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 1.75 1.9 0.39
Polarity N-ch P-ch P-ch
General purpose small signal bipolar transistor
Part Number
Toshiba Package Name SOT-416 (SSM) SOT-416 (SSM) SOT-323 (USM) SOT-323 (USM) SOT-346 (S-Mini) SOT-346 (S-Mini)
VCEO (Max) [V] -50 50 50 -50 50 -50
IC (Max) [A] -0.15 0.15 0.15 -0.15 0.15 -0.15
Polarity PNP NPN NPN PNP NPN PNP
General purpose small signal bias resistor built-in transistor (BRT)
Part Number
Toshiba Package Name SOT-563 (ES6) SOT-563 (ES6) SOT-363 (US6) SOT-363 (US6)
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [A] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [A] 0.1 -0.1 0.1 -0.1
Polarity (Q1) NPN PNP NPN PNP
Polarity (Q2) NPN PNP NPN PNP
TVS diode (for CAN communication)
Part Number
Toshiba Package Name SOT-323 (USM) SOT-323 (USM) SOT-323 (USM)
VESD (Max) [kV] +/-30 +/-25 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.8 1.1 1.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 9 9 6.5

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Design & Development

Switched Mode Power Supply Library

you can select and download various basic topologies of a power supply unit based on your actual requirements in order to verify the behavior of MOSFETs with your simulation environment.

Motor Control and Driver Circuit Library

you can select and download various basic topologies of motor driver such as three-phase inverter circuit based on your actual requirements in order to verify the behavior of MOSFETs and another devices for your simulation environment.

EDA/CAD Model Library

We provide simulation data, 3D models of packages, and land pattern models (2D models) used when developing product boards.

MCU Motor Studio

MCU Motor Studio features a PC Tool and motor control firmware dedicated to the TXZ+TM Family Advanced Class microcontrollers from Toshiba.

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