Automotive LED Headlamp

Automotive LED Headlamp

Such as reduction of power consumption and miniaturization of circuit boards are important in designing LED headlamp. Toshiba provides information on a wide range of semiconductor products suitable for LED matrix control 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.

 MCU MCU Driver Driver Current Monitor Circuit Current Monitor Circuit TVS TVS Matrix Control Circuit Matrix Control Circuit DRL, High Beam, Low Beam, Other Lights DRL, High Beam, Low Beam,Other Lights Other Lighting Systems with ADAS (e.g. AFS) Other Lighting Systems with ADAS (e.g. AFS) LED Lighting Circuit Part LED Lighting Circuit Part Reverse Battery Protection / Load Switch Reverse BatteryProtection /Load Switch DC-DC Converter DC-DCConverter Power Supply Power Supply Battery (12 V) Battery(12 V) CAN Line CANLine Signal Conditioning Circuit Signal Conditioning Circuit Internal Control Circuit Internal ControlCircuit Power supply ON/OFF control and reverse connection protection circuit DC-DC converter circuit LED matrix control circuit
DC-DC converter circuit

Example of non-isolated DC-DC converter circuit for LED headlamp

LED matrix control circuit

Example of matrix control circuit for LED headlamp (1)

Example of matrix control circuit for LED headlamp (2)

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

DC-DC converter circuit
DC-DC converter circuit (non-isolated boost type)

Example of non-isolated DC-DC converter circuit for LED headlamp

Example of non-isolated DC-DC converter circuit for LED headlamp
U-MOS Series 100 V N-ch MOSFET(1)
Part Number
Toshiba Package Name TSON Advance(WF) DPAK_plus 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
U-MOS Series 60 V N-ch MOSFET
Part Number
Toshiba Package Name TSON Advance(WF) TSON Advance(WF) SOP Advance(WF) SOP Advance(WF) DPAK_plus
VDSS (Max) [V] 60 60 60 60 60
ID (Max) [A] 20 40 70 110 90
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0120 0.0067 0.0032 0.0021 0.0033
Polarity N-ch N-ch N-ch N-ch N-ch
LED matrix control circuit
LED matrix control circuit (1)

Example of matrix control circuit for LED headlamp (1)

Example of matrix control circuit for LED headlamp (1)
Semi-power MOSFET
Part Number
Toshiba Package Name TSOP6F TSOP6F TSOP6F TSOP6F
VDSS (Max) [V] 100 60 40 -40
ID (Max) [A] 3.5 6.0 12 -7
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.092 0.051 0.018 0.048
Polarity N-ch N-ch N-ch P-ch
LED matrix control circuit (2)

Example of matrix control circuit for LED headlamp (2)

Example of matrix control circuit for LED headlamp (2)
Semi-power MOSFET
Part Number
Toshiba Package Name TSOP6F TSOP6F TSOP6F TSOP6F
VDSS (Max) [V] 100 60 40 -40
ID (Max) [A] 3.5 6.0 12 -7
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.092 0.051 0.018 0.048
Polarity N-ch N-ch N-ch P-ch
Small signal bias resistor built-in transistor (BRT)
Part Number
Toshiba Package Name ES6 ES6 US6 US6
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [mA] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [mA] 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 (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_plus
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 S-Mini S-Mini 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 SSM SSM USM USM S-Mini S-Mini
VCEO (Max) [V] -50 50 50 -50 50 -50
IC (Max) [mA] -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 ES6 ES6 US6 US6
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [mA] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [mA] 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 USM USM 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_plus 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 (SON8-P) 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 S-Mini S-Mini 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 SSM SSM USM USM S-Mini S-Mini
VCEO (Max) [V] -50 50 50 -50 50 -50
IC (Max) [mA] -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 ES6 ES6 US6 US6
VCEO (Q1) (Max) [V] 50 -50 50 -50
VCEO (Q2) (Max) [V] 50 -50 50 -50
IC (Q1) (Max) [mA] 0.1 -0.1 0.1 -0.1
IC (Q2) (Max) [mA] 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 USM USM 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

Solution Proposal

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

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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.

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.

시뮬레이션

Simulation data for testing during the development of the circuit boards for end-products.

2D/3D data

We provide 3D models and land pattern models (2D models) of each product package.

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