We are using your WLED driver p/n TPS61181RTET and it is causing interference (RFI) in nearby (<15 feet) portable 2-way radios operating on the following frequencies; 153.800 MHZ, 154.800 MHz, 155.535 MHz, and 155.850 MHz. We have found that we can eliminate the noise by using an 2.8µH inductor (L1) instead of using the 4.7µH to 10µH recommended.
I have two questions. 1) Is that inductor value acceptable for use with this device? 2) Can we have you review our schematic of that circuit to ensure that our Backlight Driver is designed properly?
One final note, we are disappointed that it took over a month for TI to finally respond to our service request. Unfortunately for us, the response was that TI had no intention of responding to our service request. Waiting a month just to be told to go post in the forum is not good customer service. We hope your forthcoming response will be worth the wait.
