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 |
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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 |
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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) |