HT7550 DATASHEET PDFHT7550 DATASHEET PDF

HT V .. HT, +V Output Type .. The information appearing in this Data Sheet is believed to be accurate at the time. Buy Holtek Semicon HT only $ at EasyEDA components online store LCSC. Power Management ICs|Low Dropout Regulators(LDO) datasheet. HT V. HT V. HT V. HT V. HT V. HT75A V. HT75C V. HT V.

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Originally Posted by vinceroger And it was working fine. But i thought that it tested voltages; so bricked the chip.

SCLY-B-G SII(SEIKO) Voltage Detector

Any idea why it’s not calibrating? Last edited by socketa; at Originally Posted by socketa. Yeah, Strapped terminals 1, 2, and 3, and removed them when said to isolate. Then it asks for a cap greater than nf between 1 dwtasheet 3, so i give it 25uf. It then visually flashes the capacitance measurement on the LCD for two or three minutes.

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Then it asks for nf, so datsaheet give it 12nf It then displays the capacitance briefly. And then it displays “Test end” And then returns to the menu. Then i datahseet a few caps and it gives good readings. Then i select “turn off” With no components inserted, i turn it back on It tests the battery correctly Then displays: If i insert a capacitor, and push the button before it displays the datwsheet calibrated!

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So, is this calibrated, or not? Originally Posted by stj. Dam the ebay seller is not shipping to Germany. This should be the same if i am right. It is not a 10ppm. If i did not miss anything. The Programmer has arrived. Now i am waiting for the Kit to arrive. Can someone check if i have found the right PMIC https: A friend works nearbuy this shop and can get it for me.

HT75XX-1 — 100mA Low Power LDO

So i do not have to pay for shipping. There was a second chip to increase the battery runtime but i can not find it in this dqtasheet.

And i do not have the knowledge to check for a chip with similar characteristics. Maybe someone here can take a look. Thanks that would be nice!

ht 7550 datasheet pdf

And can you also help with the other chip. I think it was a 5V low dropout voltage regulator.

But i can not find the chip at Conrad Elektronics. But maybe they have something similar that i can use.

Yes it is this one http: All times are GMT The time now is Page 35 of ESR meter upgrades the test routines have been changed a few times datashete the past year.

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West Sussex My Country: ESR meter upgrades Quote: Originally Posted by vinceroger69 so your original firmware tests them all ok and give the proper tests results? Find More Posts by linker Find More Posts by socketa. Sacramento, Ca My Country: Originally Posted by socketa i got an EZM one of these, same as in post Find More Posts by flywheelz.

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ESR meter upgrades Yeah, Strapped terminals 1, 2, and 3, and removed them when said to isolate. ESR meter upgrades instead of 25uf, use something like nf – atleast not more than 1uf. ESR meter upgrades Thanks bud That fixed it. Originally Posted by stj no, it’s a kit from ebay with a red pcb.

ESR meter upgrades i recommend this at the moment. ESR meter upgrades Dam the ebay seller is not shipping to Germany. Nuneaton Warwickshire My Country: ESR meter upgrades all those links look fine to me just be aware that stuff from china is taking ages to arrive lately due too some shipping company issues.

Find More Posts by vinceroger ESR meter upgrades use this programmer link http: ESR meter upgrades The Programmer has arrived. ESR meter upgrades that’s the part, i’ll take a foto later of how to fit it – because it’s not the same as the lm it replaces.

ESR meter upgrades Datashwet that would be nice! ESR meter upgrades which kit are you waiting for? Originally Posted by stj which kit are you waiting for?

ESR meter upgrades Yes it is this one http: ESR meter upgrades the actuually looks pretty impressive!