Automotive HVAC

Automotive HVAC

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

Overall block diagram

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

 Control Panel Control Panel Flap Motor Flap Motor Blower Motor BlowerMotor Compressor Motor CompressorMotor Flap Motor Flap Motor Flap Motor Flap Motor CAN Transceiver CANTransceiver CANLine TVS TVS Battery of primary or secondary cells Battery (12 V) Battery(12 V) Reverse Battery Protection/ Load Switch Reverse Battery Protection/Load Switch MCD MCD Flap Motor Flap Motor Flap Motor Flap Motor Motor Valve Motor Valve Inverter (Brushless) Inverter(Brushless) MCD (Stepping) MCD(Stepping) Inverter (Brushless) Inverter(Brushless) MCU MCU Power Supply Power Supply Power supply ON/OFF control and reverse connection protecting circuit Stepping motor drive circuit Brushed DC motor drive circuit Brushless DC motor drive circuit
Brushless DC motor drive circuit

Example of three-phase brushless DC motor driver circuit for HVAC

Brushed DC motor drive circuit

Example of brushed DC motor drive circuit for HVAC

Stepping motor drive circuit

Example of stepping motor drive circuit for HVAC

Power supply ON/OFF control and reverse connection protecting 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

Brushless DC motor drive circuit
Brushless DC motor drive circuit

Example of three-phase brushless DC motor driver circuit for HVAC

Example of three-phase brushless DC motor driver circuit for HVAC
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 100V 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 100V 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
Gate driver (for motor)
Part Number
Toshiba Package name PS-8 WQFN32 SSOP30
VBB (Max) [V]      
VCC (Max) [V]      
IO (Max) [A] +0.5/-0.5 +1.5/-1 +1.5/-1
Brushless DC motor pre driver for blower
Part Number
Toshiba Package Name LQFP64-P-1010-0.50E
Product Category Pre-driver for automobile
Power supply IC (for MCU)
Part Number
Toshiba Package Name SSOP20
Product Category Automobile CPU regulator, built-in watchdog timer
Brushed DC motor drive circuit
Brushed DC motor drive circuit

Example of brushed DC motor drive circuit for HVAC

Example of brushed DC motor drive circuit for HVAC
Brushed DC motor driver for damper
Part Number
Toshiba Package Name SSOP24-P-300-0.65A SSOP24-P-300-0.65A SSOP24-P-300-0.65A SSOP24-P-300-0.65A
Product Category H switch motor driver for automobile H switch motor driver for automobile H switch motor driver for automobile H switch motor driver for automobile
Power supply IC (for MCU)
Part Number
Toshiba Package Name SSOP20
Product Category Automobile CPU regulator, built-in watchdog timer
Stepping motor drive circuit
Stepping motor drive circuit

Example of stepping motor drive circuit for HVAC

Example of stepping motor drive circuit for HVAC
Stepping motor driver
Part Number
Toshiba Package Name P-VQFN28-0606-0.65
Product Category Stepping motor driver for automobile
Power supply IC (for MCU)
Part Number
Toshiba Package Name SSOP20
Product Category Automobile CPU regulator, built-in watchdog timer
Power supply ON/OFF control and reverse connection protecting circuit
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

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 IC (for MCU)
Part Number
Toshiba Package Name SSOP20
Product Category Automobile CPU regulator, built-in watchdog timer
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

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
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 IC (for MCU)
Part Number
Toshiba Package Name SSOP20
Product Category Automobile CPU regulator, built-in watchdog timer

Solution Proposal

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

Reference Design

Motor Driving Circuit for Automotive Body Electronics Using SmartMCDTM
We developed an automotive body motor control circuit that supports sensorless vector control using SmartMCDTM, a gate driver IC with a built-in microcontroller. This reference design provides explanations of design points of various circuits, design data, and usage methods.

문서

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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