Part Number: PCA9554 Other Parts Discussed in Thread: PCA9544A , Hi team,
Could you help check if we get the QFN package part of PCA9554? I can't find it in the datasheet.
Thanks and Best regards,
Will
Part Number: PCA9554 Dear All,
this is my customer for notebook application
Does PCA9554PWR support the sleep mode?
if yes, how the power consumption (mW) during the sleep more and operation mode?
Regards,
bard
Part Number: PCA9554 Hello,
I made some measurements of one input of the PCA9554. I measured at Pin 12 of the PCA9554 to GND.
I couldn't find any spikes, over - or undershot of the input signal at the Chip input point (PIN 12 of PCA9554). Conntecting…
Part Number: PCA9554 We use a PCA9545 I2C Port Extender Chip. In our application, we use the 8 Digital I/O-lines as inputs (also programmed by software). Sometimes, we don't know when and why, one or more input's will be damaged or don't work correctly…
Part Number: BQ24610 Other Parts Discussed in Thread: PCA9554 , Hi Team,
I am using BQ24610 for charger application. I am also using PCA9554 (I2C to IO expander) in the same PCB. Is it recommended to use the VREF (3.3V) output from BQ24610 to power the…
Part Number: PCA9554A Other Parts Discussed in Thread: PCA9554 Hi,
I am using the PCA9554ADG in 2 project and I have the same problem in both.
A few second after powering on the board, the PCA9554ADG increase the power supply current and fails. After the…
Other Parts Discussed in Thread: PCA9554 Hi Sir,
We tested some of the noise in the PCA9554 clock signal(SCL) .(as Figure
And these noise happens to occur shock near the VIH.
I would like to ask some question~
1. What would happen when the swing happen…
Other Parts Discussed in Thread: TCA9554A Hi Team,
can you please help for the atttached schematic review to see if any design concerns on the customer schematic? Thanks.
Regards,
Arthur
9554 for SOLARBEAM.pdf
