Part Number: TPS61169 Dear Sir/Madam,
My customer wants to connect one MCU output port to two TPS61169 CTRL pin to control two TPS61169 at the same time. Please refer to the attached file.
As far as I know, this relates to CTRL pin sink current and MCU…
Part Number: TPS61169EVM Other Parts Discussed in Thread: TPS61169 , TPS61165 To Whom it may concern :
Currently I am making use of TPS61169 to drive ( single channel ) 6x 6 Leds with Iled 360mA ( application 10.1" LCD backlight driving )
I noticed…
Part Number: TPS61169 I want to know the minimum SW frequency and maximum SW frequency at 5V input. A SW frequency graph with 5V input is also required.
reference
SWITCHING FREQUENCY ƒSW Switching frequency at VIN = 3 V Min 0.75 Typ 1.2 Max1.5 MH…
Part Number: TPS61169 Other Parts Discussed in Thread: TPS92200 Hi!
I have to design a circuit to drive three CREE XPEBRD-L1-0000-00901 LEDs independently. These red LEDs are rated to 1A with a Vf at about 2.4V. The power source will be a single cell…
Part Number: TPS61169 Hello Team ,
We are using TPS61169 is below condition :
No of IR LED : 2
IR LED Forward Voltage : Min 1.2V and MAX 1.7V
Current Setting : 300mA
Booster Input Voltage : 3V3
A. When Driver is enable we measured below voltage and current…
Part Number: TPS61169 Dear Teams,
My customer is using TPS61169 and select on inductor. Could you help check whether this inductor is appropriate?
Vin: 5V
Output: 20Vout; 20mA
Inductor datasheet show in the attachment.
TPS61169_MD3512(1).pdf
Thanks!
…
Part Number: TPS61169 Customer is driving TPS61169 CTRL pin with PWM with 3.3V MCU. TPS61169 Vin is 3V. This is potentially violating the CTRL maximum absolute maximum.
What do you think, is this a concern?
Regards, Mark
Part Number: TPS61169 Hi,
There's some issues on the LED Driver TPS61169, after working out. We found that during low PWM dimming (1%) The output current is different from one unit to another.
Hence, I have measure 6 different samples at the Feedback…