TPS61196-Q1 Description
The TPS61196-Q1 provides a highly integrated solution for automotive LCD backlighting with an independent PWM dimming function for each string. This device is a current mode boost controller driving up to six WLED strings with multiple LEDs in series. Each string has an independent current regulator providing a LED current adjustable from 50 mA to 400 mA within ±1.5% matching accuracy.
TPS61196-Q1 Key Features
- 1 8-V to 30-V Input Voltage
- Up to 120-V Output Voltage
- 100-KHz to 800-kHz Programmable Switching
- Adaptive Boost Output for LED Voltages
- Six Current Sinks, 200-mA Continuous Output
- ±1.5% Current Matching Between Strings
- Programmable OVP Threshold
- Programmable Input UVLO Threshold
- Adjustable Soft-Start Time
- Built-in LED Open and Short Protection