BU21028FV-ME2, Resistive Touch Screen Controller, 12 bit Serial-I2C 4-Wire, 20-Pin SSOP

  • RS Stock No. 171-4183
  • Mfr. Part No. BU21028FV-ME2
  • Manufacturer ROHM
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Unlike most resistive touch screen controllers, the BU21028FV-M 4-wire resistive touch-screen controller can generate data that enables dual touch detection. The Host processor can use this data to detect single and dual point coordinates.

standard 4-wire resistive touch screens
Single and dual touch detection
I²C-like interface (for the host processor I/F)
12-bit resolution
Single 2.7V to 3.6V power supply
Auto power down/on control
Built-in clock oscillator circuit

Attribute Value
Resolution 12 bit
Interface Type Serial-I2C
Sensing Technology Resistive
Sensing Wire Type 4-Wire
Mounting Type Surface Mount
Package Type SSOP
Pin Count 20
Typical Operating Supply Voltage 3 V
Dimensions 6.5 x 4.4 x 1.15mm
Length 6.5mm
Width 4.4mm
Height 1.15mm
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Automotive Standard AEC-Q100
Discontinued product