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Jiayu Ye
2 months ago
Power management
Power management forum
TPS22943: Will it be it okay if "ON" pin enabled prior to “VIN” power on?
TI Thinks Resolved
Part Number:
TPS22943
Dear TI, Here we have a special application occasion that
TPS22943
will be enabled prior to "VIN" power on, will it be okay? Any risk? Thanks.
Vikas Thukuntla75
over 3 years ago
Power management
Power management forum
TPS22943: Load switch with protection and very Low Iq - needed
TI Thinks Resolved
Part Number:
TPS22943
Hi, I am designing a water meter product that runs on a battery. I have an external flow sensor that takes very less operating current (<1mA). Since this sensor is installed externally, I want to protect my electronics from...
Vikas Thukuntla75
over 3 years ago
Switches & multiplexers
Switches & multiplexers forum
Switch with Ultra Low power consumption - needed
TI Thinks Resolved
Hi, I am designing a water meter product that runs on a battery. I have an external flow sensor that takes very less operating current (<1mA). Since this sensor is installed externally, I want to protect my electronics from external faults on this...
Alpha H
over 2 years ago
Power management
Power management forum
RE: TPS22942: Clarifying ON pin function, datasheet is ambiguous
Hi Alex, Thanks for reaching out on E2E! Since the TPS22942 datasheet is used across all of our TPS2294x devices (TPS22941, TPS22942,
TPS22943
, TPS22944, and TPS22945), there will be some overlap information in the Applications Section of the datasheet...
Adam Hoover
over 6 years ago
Power management
Power management forum
RE: Low current limited load switch - adjustable current limit
Hi Alex, Do you need to be able to adjust the current limit over the whole range (10mA-100mA), and how much accuracy is needed? Also, are you needing to adjusting the current limit during operation? For that range, the TPS22946 might be a good...
Adam Hoover
over 6 years ago
Power management
Power management forum
RE: current limit of the current-limited load switch
Hi Tamas, You are correct that the output current limit of the TPS22944 could be as high as 200mA. 100mA is the lowest the current limit will be; guaranteeing at least 100mA downstream. From the typical graph in Figure 11, the expected current limit...
John Bottrill
over 8 years ago
Power management
Power management forum
RE: UCC3806 reference design and simulation model
Hello, The UCC3806 is a dual output controller though it can be used in a flyback where only one of the outputs are used to drive the switch it might be better to choose a single output controller. Look at page 46 of the attached under General Purpose...
Power management guide 2011.pdf
John Bottrill
over 8 years ago
Power management
Power management forum
RE: Low operating voltage version of a TL494?
Mark, see teh attached Power Management Guide Page 43 John
Power management guide 2011.pdf
John Bottrill
over 8 years ago
Power management
Power management forum
Re: Kindly, suggest me the controller for isolated DC/DC
Peter, i am enclosing the Power Management Guide for 2011. The section you will be interested in starts on page 43 and actual devices listed on page 46, With the minimum information you have given me I would expect that you will want something like...
Power management guide 2011.pdf
John Bottrill
over 8 years ago
Power management
Power management forum
RE: How to adjust output PWM of UC3825
Siyu, I think the toggle flip-flop in the block diagram on page one of the spec should have let you know that the max you will get with this device is 50% duty. Go to page 43 and 44 of the attached and select a more suitable part.
Power management guide 2011.pdf
>
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