IrDAController ICs - BU92001KN

BU92001KN has the encode / decode function of IrDA SIR. It has a built-in baud rate generator. The baud rate can be generated by the internal register. The data between UART and IrDA can be encoded and decoded by connecting this IC to the UART port.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BU92001KN-E2 Active VQFN20 2500 2500 Taping Yes
VDD Core(Min.)[V] 2.5
VDD Core(Max.)[V] 3.5
Data Rates [Mbps] 2.4k to 115.2k
Clock frequency (Min.)[MHz] 24
Clock frequency (Max.)[MHz] 30
Interface UART
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
  • ・UART interface
    ・IrDA SIR Encode / Decode function
    ・Communication rate of 2.4k~115.2kbps
    ・Built-in baud rate generator
Other New/Updated Products Relating to Interface
PART NUMBER Product Name Package Datasheet Distribution Inventory
New Products:
Technical Data
Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.