Product overview
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All features
- General
- Application board with two L99LDLH32
- Designated to drive generic OLED panel
- CAN FD light compatible serial interface, protocol handler, draft specification proposal (DSP) available from CAN in automation (CiA)
- High precision oscillator integrated, no external quartz required
- QFN48L 7x7 with exposed pad
- Time out watchdog with limp-home
- Low standby current
- Stand-alone/fail-safe and bus mode operation
- Direct drive (one direct input), for one function group supporting ASIL requirements
- Widest configurability by embedded non-volatile and volatile memories
- Operating supply voltage range from 5.5 V to 40 V
- Operating temperature range from -40 °C to 150 °C
- Linear regulators section
- 32 constant current output channels, high-side configuration
- Output current from 1 mA to 15 mA, parallelizable outputs
- Output voltage up to 35 V
- Feedback voltage to external pre-regulator, to optimize the regulation voltage minimizing overall power dissipation
- Current setting per channel by 8-bit DAC
- Analog dimming, 8-bit PWM channel individual exponential brightness control and 8-bit global PWM dimming
- Programmable PWM frequency
- Slow turn on/off time, gradual outputs delay and dithered clock, for better EMC performances
- Protection and diagnostic
- Integrated 8-bit ADC, for full and flexible diagnostic
- One dedicated line for fault bus
- Temperature warning (one threshold)
- Overtemperature shutdown
- Short circuit and open load detection and protection
- Automatic LED current derating, through external NTC measurement and device junction temperature (TJ)
- General
