TPS61183

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS61183 SLVSAB4D – JUNE 2010 – REVISED JANUARY 2017 TPS61183 White-LED Driver With PWM Interface and Programmable PWM Dimming 1 Features 1 4.5-V to 24-V Input Voltage 38-V Maximum Output Voltage Integrated 2-A, 40-V MOSFET 280-kHz to 1-MHz Programmable Switching Frequency Adaptive Boost Output to WLED Voltages Wide PWM Dimming Frequency Range – 100 Hz to 50 KHz for Direct PWM Mode – 100 Hz to 22 KHz for Frequency Programmable Mode 100:1 Dimming Ratio at 20 kHz 10000:1 Dimming Ratio at 200 Hz (Direct PWM mode) Small External Components Integrated Loop Compensation Six Current Sinks of 30 mA, Maximum 1.5% (Typical) Current Matching PWM Brightness Interface Control PWM Programmable Mode Brightness Dimming Method or Direct PWM Dimming Method 4000-V HBM ESD Protection Programmable Overvoltage Threshold Built-in WLED Open and Short Protections Thermal Shutdown 2 Applications Notebooks Tablets Monitors Industrial PCs Human Machine Interface Screens ATMs Fishfinder 3 Description The TPS61183 device provides a highly integrated white-LED (WLED) driver solution for notebook LCD backlights. This device has a built-in high-efficiency boost regulator with integrated 2-A, 40-V power MOSFET. The six current sink regulators provide high-precision current regulation and matching. The device can support a total of up to 60 WLEDs. In addition, the boost outp...