The Rohm Semiconductor BU21029MUV-E2 is a touchscreen controller that falls under the Integrated Circuits (ICs) category. It has a Win Source Part Number of 913710-BU21029MUV-E2 and has a high popularity. The BU21029MUV-E2 features a 4 wire resistive 12 b I²C interface and is packaged in 20-VFQFN Exposed Pad. It can operate in a temperature range of -20°C to 85°C (TA) and is not for new designs. Each package contains 2500 touchscreen controllers.