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Matrix LED Headlight
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.
Description
| 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) |
Features
- Matrix LED Headlight with independent light control
- Small Implementation Area
- Total solution using MOSFETs, Gate drivers, Rectifer diodes and Zener diodes
Reference design files
Design, Document
“Design・Document” contains the documents listed below.
Design, File
“Design・File” contains the contents listed below.
*1：Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.
*2：The data was generated on CR5000BD.
Toshiba items
| Part Number | Device Category | Portion Usage | Description |
|---|---|---|---|
| XPN3R804NC | MOSFET | Load switch circuit, Reverse connection protection circuit・2 | 40 V/3.8 mΩ (typ.) @VGS = 10 V/TSON Advance(WF) |
| TPD7104AF | Intelligent power IC | High-side power MOSFET driver・1 | VDD = 24V(Max)/PS-8 |
| XPN2400ANC | MOSFET | Boost power supply circuit・7 | 100 V/19.7 mΩ (typ.) @VGS = 10 V/TSON Advance(WF) |
| CMF02A | Rectifier diode | Boost power supply circuit・7 | 600 V/1 A/trr = 100ns/M-FLAT |
| CUZ6V8 | Zener diode | Boost power supply circuit・7 | VZ = 6.8 V /0.2 W/USC |
| SSM6K809R | MOSFET | LED dimming control circuit・7 | 60 V/36 mΩ (typ.) @VGS = 10 V/TSOP6F |
| TB9005FNG | Automotive CPU regulator | CPU power supply circuit・1 | 5 V VOUT/0.6 W/SSOP20 |
| TTA005 | Bipolar transistor | CPU power supply circuit・1 | PNP/-50V/New PW-Mold |
| SSM6J808R | MOSFET | LED lighting control circuit・42 | -40 V/35 mΩ (typ.) @VGS = -10 V/TSOP6F |
| RN1907FE | Bias resistor built-in transistor | LED lighting control circuit・21 | NPN×2/50V/SOT-563 (ES6) |
| XCUZ16V | Zener diode | LED lighting control circuit・42 | VZ = 16 V/0.2 W/USC |
Documents
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