ZLPM8014

NEW PRODUCT A Product Line of Diodes Incorporated ZLPM8014 SET-TOP BOX SERIES LNB CONTROLLER AND POWER SUPPLY IC Description The ZLPM8014 is a power management and control solution for satellite set-top boxes (STBs). Based on an efficient boost converter the ZLPM8014 provides a power supply within the range of 11V to 21V as well as all the control signals required by a single port satellite Low Noise Block (LNB). The ZLPM8014 includes an accurate 22kHz tone generator to provide DiSEqC™ control words or continuous tone for band switching control. To provide a reliable DiSEqC 2.0 solution, the IC includes a DiSEqC detector with unwanted signal rejection. Controlled by an I2C™ compatible interface and with the minimal external components, the ZLPM8014 provides a high performance, cost efficient solution. System Diagram Features Applications High System Efficiency with Energy Saving Standby Mode Efficient Boost Converter and LDO Provide an Accurate Adjustable Power Supply for LNBs Single Tuner Satellite Set-Top Boxes High Current LNBs Stability with Minimal Current LNBs High Accuracy Output Overload and Temperature Provides a Protected Output of up to 750mA (continuous) Satellite PC Cards TVs with Integrated Satellite Tuners Programmable Current Limit for System Flexibility Hybrid Set-Top Boxes Optional Current Boost Mode. 150% of Imax for 65ms Suitable for Digital and Analog Satellite Systems Designed for Stability with Low Power LNBs Provide...