This reference design provides design guide, data and other contents of LED Matrix Headlight. It controls the lighting of multiple LEDs independently according to the situation.
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|Input voltage||DC 12 V|
|Number of LEDs||42 (6 LEDs x 7 blocks, 6 blocks of white and 1 block of amber color)|
|Power output for LEDs||Constant current 500 mA x 7 blocks, dimming control is possible for each block|
|Power output for MCU||DC 5 V (1 A Max)|
Design Documents contain the documents below.
Design Data contains the contents listed below.
|Part Number||Device Category||Portion Usage||Description|
|Power MOSFET (N-ch single 30V<VDSS≤60V)||Load switch circuit, Reverse connection protection circuit・2||N-ch MOSFET, 40 V, 40 A, 0.0038 Ω@10V, TSON Advance(WF)|
|Intelligent power device (High side power-MOSFET driver with built-in charge pump)||High-side power MOSFET driver・1||Automotive Gate driver for High-side switch, PS-8|
|Super fast-recovery diode||Boost power supply circuit・7||600 V/1.0 A Rectifier Diode, M-FLAT|
|Zener diode||Boost power supply circuit・7||6.8 V Zener Diode, SOD-323(USC)|
|Small Low ON resistance MOSFETs||LED dimming control circuit・7||N-ch MOSFET, 60 V, 6.0 A, 0.036 Ω@10V, TSOP6F|
|Automobile CPU regulator, built-in watchdog timer||CPU power supply circuit・1|
|Power transistor for high-speed switching applications||CPU power supply circuit・1||PNP Bipolar Transistor, -50 V, -5 A, New PW-Mold|
|Small-signal MOSFET||LED lighting control circuit・42||P-ch MOSFET, -40 V, -7 A, 0.035 Ω@10V, TSOP6F|
|Bias resistor built-in transistor (BRT), 2-in-1||LED lighting control circuit・21||NPN x 2 Bias Resistor Built-in Transistors (BRT), 10 kΩ/47 kΩ, SOT-563(ES6)|