TI LM3533TMX-40/NOPB

Drives two parallel high-voltage LED strings for display and keyboard backlighting; supports high-voltage LED strings with output voltages up to 40V at up to 90% efficiency; up to 30mA sink current per string (backlight and indicator); 8-bit programmable backlight code for 14-bit exponential dimming; selectable analog ALS input with 128 programmable gain settings or PWM ALS input with internal low-pass filter; PWM input for content-adaptive brightness control; five low-voltage current sinks for indicator LEDs; integrated charge pump for improved efficiency and VIN operating range; internal pattern generation engine; fully programmable LED grouping and control; 4 configurable overvoltage protection thresholds (16V, 24V, 32V, and 40V); 500kHz and 1MHz programmable switching frequency; 27mm² total solution size.

• Drives two parallel high-voltage LED strings for display and keyboard backlighting
• Supports high-voltage LED strings up to 40V output with up to 90% efficiency
• Up to 30mA sink current per string (backlight and indicator)
• 8-bit programmable backlight code for 14-bit exponential dimming
• Selectable analog ALS input with 128 programmable gain settings or PWM ALS input with internal low-pass filter
• PWM input for content-adaptive brightness control
• Five low-voltage current sinks for indicator LEDs
• Integrated charge pump for improved efficiency and VIN operating range
• Internal pattern generation engine
• Fully programmable LED grouping and control
• 4 configurable overvoltage protection thresholds (16V, 24V, 32V, and 40V)
• 500kHz and 1MHz programmable switching frequency
• 27mm² total solution size

• Power display, keypad, and indicator lighting for smartphone illumination
• RGB indicator driver