SOT-23-3 packaged lithium battery protection chip small current discharge undervoltage protection failure

QWE4562009

SOT-23-3 packaged lithium battery protection chip small current discharge undervoltage protection failure [Copy link]

SOT-23-3 packaged lithium battery protection chip small current discharge undervoltage protection failure

qwqwqw2088

It means that it is not protected when it is lower than 3V.

Over discharge protection failure?

se7ens

It is recommended to use the combination of DW01+8205

Or single chip DW03/DW06

se7ens

Look carefully at the datasheet

The lower limit of undervoltage protection is 2.4v, not 3v.

You can test whether the battery or power supply can be shut down when it reaches 2.4V

QWE4562009

se7ens posted on 2021-12-16 13:30 Look carefully at the datasheet. The lower limit of undervoltage protection is 2.4v, not 3v. You can test whether the battery or power supply can reach 2.4V...

Can be turned off

QWE4562009

se7ens posted on 2021-12-16 13:27 It is recommended to use a combination of DW01+8205 or a single piece of DW03/DW06

Can't let go

chipsimi003

The undervoltage protection is 2.4V, not 3V. 3V is the recovery voltage.

QWE4562009

chipsimi003 posted on 2022-8-31 17:46 The undervoltage protection is 2.4V, not 3V. 3V is the recovery voltage.

I have verified that the output will be turned off when it is lower than 3V, but it will fail when the small current is slowly discharged to 3V for a long time.