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4-wire Resistive Touch Screen Controller - BU21028FV-M

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.

Part Number | BU21028FV-ME2
Status | Active
Package | SSOP-B20
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Vcc(Min.)[V]

2.7

Vcc(Max.)[V]

3.6

MCU

-

Resolution

4096 x 4096

Stand-by current[µA]

100.0

Host I/F

I2C

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Features:

  • AEC-Q100
  • 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