TPS61162A

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61162A, TPS61163A SLVSC26A – NOVEMBER 2013 – REVISED JUNE 2015 TPS6116xA Dual-Channel WLED Drivers For Smart Phones 1 Features 1 2.7-V to 6.5-V Input Voltage Integrated 1.5-A/40-V MOSFET 1.2-MHz Switching Frequency Dual Current Sinks of up to 30-mA Current Each 1% Typical Current Matching and Accuracy Optional 26.5-V / 37.5-V OVP Threshold – TPS61162A: 26.5-V OVP – TPS61163A: 37.5-V OVP Adaptive Boost Output to WLED Voltages Very Low Voltage Headroom Control (90 mV) Flexible Digital and PWM Brightness Control One-Wire Control Interface (EasyScale™) PWM Dimming Control Interface Up to 100:1 PWM Dimming Ratio Up to 9-Bit Dimming Resolution Up to 90% Efficiency Built-in Soft Start PFM Mode at Light Load Overvoltage Protection Built-in WLED Open/Short Protection Thermal Shutdown Supports 4.7-µH Inductor Application 2 Applications Smart Phones PDAs, Handheld Computers GPS Receivers Backlight for Small and Media Form-Factor LCD Display with Single-Cell Battery Input 3 Description The TPS61162A and TPS61163A are dual-channel WLED drivers which provide highly integrated solutions for single-cell Li-ion battery powered smart phone backlight. The devices have a built-in high efficiency boost regulator with integrated 1.5-A, 40-V power MOSFET and support as low as 2.7-V input voltage. With two high current-matching capability current sink regulato...