Part Number: TPS81256TPS81256SIPR is widely used in our company’s products. Normally, we do regularly QA check like SAT, this time we selected 1pcs sample from DC 2105 lot 1801931PT2,the through scan result shows that seems there is a delamination at…
Part Number: TPS81256 Dear TI partner:
TPS81256SIPR is widely used in our company’s products. Normally, we do regularly QA check like SAT, this time we selected 1pcs sample from DC 2105 lot 1801931PT2,the through scan result shows that seems there is…
Hi Wenhao,
I sure missed that detail on the data sheet, thanks for highlighting it ! It looks like in the case of our application, the part will constantly operate in PFM mode.
We had a similar situation a few years back with a different design using…
Part Number: TPS81256 Other Parts Discussed in Thread: CSD16301Q2 Hello,
I'm using the TPS81256 to supply power to a laser diode module. I'm modulating the laser by using a CSD16301Q2 MOSFET on the low side of the module to modulate the connection to…
Part Number: TPS81256 Other Parts Discussed in Thread: BQ24075 Hello,
I'd like to drive the enable pin on the TPS81256 with a digital I/O pin from a CC2640r2. I'd like to drive the enable pin at <10 KHz. I don't see info about input impedance or capacitance…
Part Number: TPS81256
Hello,
Can I use the Enable pin as a PWM input. That is, can I provide a square wave 0 -> 3.3 V @ <10KHz (from TI CC2640r2 I/O pin) at a duty cycle of 10 ->100% and expect that output to follow the input to the Enable pin (phase…
Hi Henrik,
TPS81256 works fine under your condition. According to description 8.3.1, the device can operate smoothly over zero duty cycle situation. Thanks!
-Wenhao
Part Number: TPS81256 We have a design where we have a nominal input voltage of 5.0 V to the TPS81256, but we use this step up regulator since the voltage can be as low as 4.5 V at times so we need a step-up regulator. The output is 5.0 V and maximum…
Part Number: TPS81256 Hi team,
The datasheet of TPS81256 states that the minimum resistive load for start-up is 65 Ohm. Does this mean without a load the device won't start? Is there a way to make it work without the load?
Thank you,
Franz