LP8867C-Q1, LP8869C-Q1 Low EMI Automotive LED Driver with 4-, 3- Channels

1 Features

AEC-Q100 Qualified for automotive applications:
- Device temperature grade 1:
  –40°C to +125°C, T_A
3-, 4-Channel 120-mA LED driver for automotive LCD display
- High dimming ratio of 10 000:1 at 100 Hz
- Current matching 1% (typical)
- LED String current up to 120 mA per channel
- Outputs can be combined externally for higher current per string
Integrated boost and SEPIC converter for LED string power
- Input voltage operating range 4.5 V to 40 V
- Output voltage up to 45 V
- Integrated 3.3-A Switch FET
- Switching frequency 300 kHz to 2.2 MHz
- Switching synchronization input
- Spread spectrum for lower EMI
Protection and fault detection
- Fault output
- Input voltage OVP, UVLO
- Boost OVP
- SW OVP
- LED Open and short fault detection
- Thermal shutdown

Backlight for:
- Automotive infotainment
- Automotive instrument clusters
- Smart mirrors
- Heads-up displays (HUD)