The TPS59641RSLR is an integrated dual channel switching controller solution designed for power supplies with two channels from Texas Instruments. It is specifically designed to decrease external component count, reduce design complexity, and improve efficiency in very high power applications. The device includes two independent step-down constant frequency current mode PWM (Pulse Width Modulation) controllers, each operating at its own selectable frequency range. The controllers provide high load and line regulation, low start-up and operating current, as well as short cycle-by-cycle and period-by-period protection. The device includes integrated dual MOSFET drivers for each channel, 10-bit high/low side current sensing, peak current anduV overvoltage protection, thermal shut down, power fail detection, and a fault indicator pin. The device is available in a low-profile, 39-pin TSSOP (Thin Shrink Small Outline Package).