Part Number: LP8556 Dear Team,
Our customer have a new project which is PCB 4 layer design without HDI.
Could we use the WQFN package?
Thanks a lot!
Jimmy
Part Number: LP8556 Hi everyone
PDET_STDBY bit of A1h which we now set to 1.However, the LP8556 does not appear to be on standby when the PWM signal is measured to be normally low.We measure a current of 2 to 3mA.
What's the problem?
Best Regards…
Part Number: LP8556TM-EVM Other Parts Discussed in Thread: LP8556 Dear TI,
Will the I2C register configuration be reserved when LP8556 enters into shutdown mode? In other words, do I have to re-config LP8556 again when LP8556 quit shutdown mode? Thanks…
Part Number: LP8556 Other Parts Discussed in Thread: LP8863-Q1 , LP8866-Q1 , TPS92390 Dear Team,
Our customer's EV Charger product meets thermal issue at panel backlight driver(LP8556) when we burn-in the machine, the attachment is our panel spec:
…
Part Number: LP8556 Hi Team,
My customer use our LP8556SQX-E09/NOPB LED driver and we found there that Vboot ramp up with 2 steps as below waveform. Also, customer's register table as below.
We don't change Vboot setting 0xA6[5:0] but I have no idea…
Part Number: LP8556 Hi LP8556 Team,
For BRT_MODE, the practical difference between 01b and 11b is not very clear. As the datasheet says, when BRT_MODE=01b, both the Brightness and detected PWM are multiplied first, then run through the curve shaper. In…
Part Number: LP8556 Hi everyone
I am using LP8556,Set A1h to 0x9D both uefi and kernel,but during the boot process, the backlight is relatively bright in the UEFI stage and darkens in the Kernel stage.
Can you give me some advice?
Best Regards,
Part Number: LP8556 Hi,
I am considering using the LP8556 device. The specifications are as follows. ORDERABLE DEVICE : LP8556SQE-E08/NOPB (specification) VIN:5V LED voltage:10V-14V LED current:30mA Number of ch:4ch
(question 1) At the beginning of the data sheet…
Part Number: LP8556 Hello,
Can I have additional descriptions about how to utilize BRT[7:0] register?
I'm a bit confused from BRT_MODE table. understood that the PWM output is controlled by the PWM input duty cycle and the Brightness register. however…