Automotive Integrated Starter Generator

Automotive Integrated Starter Generator

Such as ensuring tolerance to motor lock current and reduction of power consumption are important in designing ISG. Toshiba provides information on a wide range of semiconductor products suitable for motor drive units, communication units, power supply units, etc., along with circuit configuration examples.

Overall block diagram

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 TVS TVS 12 V 12 V Inverter (Brushless) Inverter(Brushless) Angle Sensor Angle Sensor M M CAN CAN Reverse Battery Protection / Load Switch Reverse BatteryProtection / Load Switch Power Supply PowerSupply MCU MCU CAN Transceiver CANTransceiver Gate Driver / Motor Driver Gate Driver / Motor Driver Brushless DC motor drive circuit Power supply ON/OFF control and reverse connection protection circuit​ CAN transceiver protection circuit
Brushless DC motor drive circuit​

Example of a brushless DC motor drive circuit for an ISG

CAN transceiver protection circuit

Example of CAN transceiver protection circuit

Power supply ON/OFF control and reverse connection protection circuit​

Example of ON/OFF control and reverse connection protecting circuit for 12 V power lines

Click the area you want to check the details in the overall block diagram. Show links to our proposed sub-block diagram.

 TVS TVS MCU MCU Power Supply PowerSupply 12 V 12 V CAN Transceiver CANTransceiver Gate Driver / Motor Driver Gate Driver / Motor Driver Inverter (Brushless) Inverter(Brushless) Angle Sensor Angle Sensor M M 48 V 48 V CAN CAN Brushless DC motor drive circuit CAN transceiver protection circuit
Brushless DC motor drive circuit​

Example of a brushless DC motor drive circuit for an ISG

CAN transceiver protection circuit

Example of CAN transceiver protection circuit

Sub block diagram

Brushless DC motor drive circuit​
Brushless DC motor drive circuit​

Example of a brushless DC motor drive circuit for an ISG

Example of a brushless DC motor drive circuit for an ISG
U-MOS Series 40 V / 80 V / 100 V N-ch MOSFET
Part Number
Toshiba Package Name L-TOGL L-TOGL L-TOGL L-TOGL
VDSS (Max) [V] 40 40 80 100
ID (Max) [A] 200 400 350 300
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0010 0.00030 0.00083 0.00103
Polarity N-ch N-ch N-ch N-ch
Gate driver (for motor)
Part Number
Toshiba Package name WQFN32 SSOP30
VBB (Max) [V]    
VCC (Max) [V]    
IO (Max) [A] +1.5/-1 +1.5/-1
Brushless DC motor pre driver
Part Number
Toshiba Package Name QFP64-P-1010-0.50C P-VQFN48-0707-0.50-005
Product Category Pre-driver for automobile Pre-driver for automobile
CAN transceiver protection circuit
CAN transceiver protection circuit

Example of CAN transceiver protection circuit

Example of CAN transceiver protection circuit
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
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
Power supply ON/OFF control and reverse connection protection circuit​
Power supply ON/OFF control and reverse connection protection circuit​

Example of ON/OFF control and reverse connection protecting circuit for 12 V power lines

Example of ON/OFF control and reverse connection protecting circuit for 12 V power lines
U-MOS Series 40 V / 80 V / 100 V N-ch MOSFET
Part Number
Toshiba Package Name L-TOGL L-TOGL L-TOGL L-TOGL
VDSS (Max) [V] 40 40 80 100
ID (Max) [A] 200 400 350 300
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0010 0.00030 0.00083 0.00103
Polarity 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
Brushless DC motor drive circuit​
Brushless DC motor drive circuit​

Example of a brushless DC motor drive circuit for an ISG

Example of a brushless DC motor drive circuit for an ISG
U-MOS Series 40 V / 80 V / 100 V N-ch MOSFET
Part Number
Toshiba Package Name L-TOGL L-TOGL L-TOGL L-TOGL
VDSS (Max) [V] 40 40 80 100
ID (Max) [A] 200 400 350 300
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0010 0.00030 0.00083 0.00103
Polarity N-ch N-ch N-ch N-ch
Gate driver (for motor)
Part Number
Toshiba Package name WQFN32 SSOP30
VBB (Max) [V]    
VCC (Max) [V]    
IO (Max) [A] +1.5/-1 +1.5/-1
Brushless DC motor pre driver
Part Number
Toshiba Package Name QFP64-P-1010-0.50C P-VQFN48-0707-0.50-005
Product Category Pre-driver for automobile Pre-driver for automobile
CAN transceiver protection circuit
CAN transceiver protection circuit

Example of CAN transceiver protection circuit

Example of CAN transceiver protection circuit
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
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

Solution Proposal

These documents explain the key points of recommended semiconductor products and their features. Please use them for product selection.

Reference Design

Example of TPD7106F Application Circuit.
Single-Output High-Side N-Channel Power MOSFET Gate Driver Application and Circuit of the TPD7106F
This reference design provides examples of application circuit and simulation for TPD7106F which features power supply reverse connection, charge pumpccircuit and others.
Semiconductor / Design & Development / Reference Design Center / Battery Management
3-phase BLDC Motor Drive Applications (U-phase) of 3-phase bridge drive circuit for automotive and industrial BLDC motors.
3-phase bridge drive circuit for automotive and industrial BLDC motors
This reference design provides examples of application circuit and simulation for TPD7212F / FN which features overcurrent protection, reverse power connection protection and others.
Design / Support / Reference Design Center
Short circuit detection circuit block diagram of single-output High-Side N-Channel Power MOSFET Gate Driver application and circuit of the TPD7104AF.
Single-Output High-Side N-Channel Power MOSFET Gate Driver Application and Circuit of the TPD7104AF
This reference design provides examples of application circuit and simulation for TPD7104AF which features short load protection, reverse power connection protection and others.
Semiconductor / Design & Development / Reference Design Center / Battery Management

문서

Video

개발/설계 지원

스위치 모드 전원공급 라이브러리

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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