BD93W21F-E2 Overview
It is available in the 16-SOIC (0.173, 4.40mm Width) package. The packaging is shaped in a Tape & Reel (TR)-shape, which makes it easy to carry around. Regulating the temperature to -30°C~105°C is crucial to ensuring reliable operation. If you use a 4.75V~20VV power supply, you should have no problem. There is currently 3.2mA supply on the market.
BD93W21F-E2 Features

BD93W21F-E2 Applications
There are a lot of ROHM Semiconductor
BD93W21F-E2 Controllers Interface ICs applications.

Commercial LED Lighting
Smart LED Lighting
Portable Appliances
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
IrDA transmission control
Remote transmission formatter
Docking
Mobile Monitors

Factory Lead Time	8 Weeks
Package / Case	16-SOIC (0.173, 4.40mm Width)
Operating Temperature	-30°C~105°C
Packaging	Tape & Reel (TR)
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Voltage - Supply	4.75V~20V
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Reach Compliance Code	compliant
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Function	Controller
Current - Supply	3.2mA
Protocol	USB
Standards	USB 3.0
RoHS Status	RoHS Compliant