Powerchip Semiconductor Manufacturing Corp (力積電) yesterday said demand for less advanced chips, including driver ICs and CMOS image sensors, have weakened, but the company would keep factory utilization at 100 percent through next quarter by allocating capacity for other chips in short supply. The demand correction came as overall smartphone sales dipped, but it gave the chipmaker some leeway to wring out more production for power management ICs primarily used in vehicles and driver ICs for applications beyond smartphones, which have experienced prolonged supply constraints, the company said. “Demand during the second quarter is not as strong as in the third and