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
XPN1300ANC
TK60S10N1L
XPH4R10ANB
XPH6R30ANB
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
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U-MOS Series 100 V N-ch MOSFET(2)
Part Number
XPW4R10ANB
XPW6R30ANB
XPQ1R00AQB
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
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U-MOS Series 60 V N-ch MOSFET
Part Number
XPN12006NC
XPN6R706NC
XPH3R206NC
XPH2R106NC
TK90S06N1L
Toshiba Package Name TSON Advance(WF) TSON Advance(WF) SOP Advance(WF) SOP Advance(WF) DPAK+
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
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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
SSM6K810R
SSM6K809R
SSM6K804R
SSM6J808R
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
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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
SSM6K810R
SSM6K809R
SSM6K804R
SSM6J808R
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
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Small signal bias resistor built-in transistor (BRT)
Part Number
RN1907FE
RN2907FE
RN1901
RN2901
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
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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
XPN9R614MC
XPH3R114MC
XPH8R316MC
TJ90S04M3L
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
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General purpose small signal MOSFET
Part Number
SSM3K7002KF
SSM3J168F
SSM3J66MFV
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
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General purpose small signal bipolar transistor
Part Number
2SA1832
2SC4738
2SC4116
2SA1586
2SC2712
2SA1162
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
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Small signal bias resistor built-in transistor (BRT)
Part Number
RN1907FE
RN2907FE
RN1901
RN2901
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
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TVS diode (for CAN communication)
Part Number
DF3D18FU
DF3D29FU
DF3D36FU
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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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
XPN3R804NC
TK1R4S04PB
XPHR7904PS
TPWR7904PB
XPJR6604PB
XPQR3004PB
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
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Gate driver (for switch)
Part Number
TPD7104AF
TPD7106F
TPD7107F
Toshiba Package name PS-8 SSOP16 WSON10A
VBB (Max) [V]      
VCC (Max) [V]      
IO (Max) [A] +5mA/ Internally Limited   Internally Limited /-5m
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General purpose small signal MOSFET
Part Number
SSM3K7002KF
SSM3J168F
SSM3J66MFV
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
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General purpose small signal bipolar transistor
Part Number
2SA1832
2SC4738
2SC4116
2SA1586
2SC2712
2SA1162
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
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Small signal bias resistor built-in transistor (BRT)
Part Number
RN1907FE
RN2907FE
RN1901
RN2901
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
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TVS diode (for CAN communication)
Part Number
DF3D18FU
DF3D29FU
DF3D36FU
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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Solution Proposal

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

Solution Proposal
SolutionProposal_Automotive LED Headlamp / English (PDF:1.7MB)
SolutionProposal_Automotive LED Headlamp / Japanese (PDF:2.3MB)

Documents

Please see the following pages for other documents.

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.

Switched Mode Power Supply Library
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.

Motor Control and Driver Circuit Library
EDA/CAD Model Library

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

EDA/CAD Model Library
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.

MCU Motor Studio

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