Datasheet — Highway 09 Ic

TRIG_IN ───── external 1 kHz sync (optional) | Order code | Package | Temperature range | Communication | |-------------------|-----------|-------------------|---------------| | HW09-48Q-LIN | QFN-48 | –40..125 °C | LIN | | HW09-64T-CAN | TQFP-64 | –40..125 °C | CAN-FD | 12. Revision History | Version | Date | Changes | |---------|------------|----------------------------------| | 1.0 | 2025-01-10 | Initial release | | 1.1 | 2025-06-15 | Added CAN-FD option, QFN package | Disclaimer: This datasheet is a representative technical document created for illustrative purposes. The Highway 09 IC is a conceptual device; actual product specifications should be verified with official manufacturer documentation.

| Fault | Recovery | |----------------------|---------------------------------------| | LED open load | Auto-retry every 100 ms (programmable)| | Short to ground | Disable channel, latch until reset | | Over-temperature (160 °C) | Global LED dimming to 50% | | VBAT undervoltage (< 5.5 V) | Device enters sleep mode | Highway 09 controlling 24 tunnel LEDs with LIN bus interface: highway 09 ic datasheet

VBAT (24V) ──┬── 0.1 µF ─── VBAT_pin ├── 10 µF (electrolytic) ── GND └── LED0 ── 120 Ω ──[LED string]─┬─ GND LIN bus ─────┬── 1 kΩ ── LIN_RX └── 1 kΩ ── LIN_TX TRIG_IN ───── external 1 kHz sync (optional) |