Controlling high-brightness LEDs via microcontrollers. Design Considerations
While a single consolidated PDF from a major manufacturer is rare, typical parameters found across distributors like Worldway and repair manuals include: P-Channel enhancement mode MOSFET / IGBT-type. Voltage ( VDSScap V sub cap D cap S cap S end-sub ): Up to 600V (high-voltage capable for printer logic). Current ( IDcap I sub cap D Ftd02p Datasheet
| Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | Peak Repetitive Reverse Voltage | ( V_RRM ) | 200 | V | | RMS Reverse Voltage | ( V_RMS ) | 140 | V | | DC Blocking Voltage | ( V_DC ) | 200 | V | | Average Rectified Forward Current (TA=75°C) | ( I_O ) | 1.0 | A | | Non-Repetitive Peak Forward Surge Current (8.3ms single half-sine wave) | ( I_FSM ) | 30 | A | | Operating and Storage Junction Temperature Range | ( T_J, T_STG ) | -65 to +175 | °C | Controlling high-brightness LEDs via microcontrollers
(an N-Channel counterpart) to form a complementary H-bridge circuit for driving printhead carriage and paper feed motors. Key Technical Specifications Current ( IDcap I sub cap D |
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub ~50mΩ - 90mΩ Qgcap Q sub g ~5nC - 10nC