Part Number: LP8867-Q1 Tool/software: Hi team,
My customer is using LP8867-Q1 for their project and they want us to help them to review the schematic, and they have a problem about the configuration of VDDIO so I'm looking for your help.
I have attached…
Part Number: LP8867Q1EVM Other Parts Discussed in Thread: LP8869C-Q1 , LP8867-Q1 Tool/software: Hi team,
I would like to replace LP8867-Q1 for LP8869C-Q1 in this EVM.
Is it possible? If it's impossible , Could you tell me the reasons?
Best Regard…
Part Number: LP8867-Q1 Internal LDO not functioning properly. No matter what voltage is applied to the driver IC, the LDO outputs about 1.5 volts less than Vin to the IC. According to the data sheet the max output for this LDO is 4.55V.
We have soldered…
Part Number: LP8867-Q1 Hi, Support Team
LP8867-Q1 calculator tool show Illegal, how to fixed?
7128.LP8867CQPWPRQ1_Design-Cal_V1p4.xlsx
if any suggestion, Please advise me.
Thanks,
Best regards,
Lawrence
Part Number: LP8867-Q1 Hi experts,
My customer have three questions about current during boost start as in datasheet Fig.21.
1. How to estimate the maximum current during boost start? They want to know when Vin=8V & 16V.
2. Does rush current flow immediately…
Part Number: LP8867-Q1 Hi, Support Team
We saw the datasheet about LED current setting
Equation is ILED=2000x VBG/RISET
if Riset is set tj 20kohm, ILED will be 120mA per channel
so the output current accuracy is +-5%?= 114mA~126mA?
is correct?
if any…
Part Number: LP8867-Q1 Hello team,
Please confirm: does the NTC dimming and PWM dimming are completely independent mechanisms?
My understanding is that :
NTC dimming will linearly decrease the I_SET current set by resistor
Then, PWM dimming modulates…
Part Number: LP8867-Q1 Hi Sir,
we have applied LP8867 for the logo backlight,
input 12V
output 18.6V
Enable PIN4 is 3.3V from input 12V by two resistors divided.
output current set 90mA one CH
PWM from outside
however we have received the RMA from our…
Part Number: LP8867-Q1 Hi,
I was using the LP8867 boost converter for driving the backlight of a display panel.
I am not able to see the output voltage as expected. The design is based on the reference design given on the datasheet.
I have tested the…
