Hi,
The BQ25308 has no battery detection feature. It will regulate the output even if a battery is not connected. Please refer to the FAQ below and the principle is similar.
[FAQ] BQ25601: [FAQ] Why does the LED connected to STAT pin flashes and the…
Hi Nan,
Please refer to the FAQ below. The principle is the same for BQ25306. If STAT blinking is not preferred, please disable the charger by /EN pin.
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1022795…
Part Number: BQ25629 Tool/software: Dear Sirs and Madams,
As per the FAQ below, I understand that charging must be stopped when the battery is not connected.
[FAQ] BQ25601: [FAQ] Why does the LED connected to STAT pin flashes and the SYS voltage…
Hi MM,
Please refer to the FAQ below. The principle is similar for the BQ2562x. If no battery is connected, it is recommended to disable charge.
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1022795/faq…
Hi Chithraj,
Thank you for reaching out via E2E. With no battery connected the behavior you are observing is expected. For further explanation please see the linked FAQ below.
https://e2e.ti.com/support/power-management-group/power-management/f/power…
Hi,
The following FAQs should be helpful to your questions.
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1021465/faq-why-vsys-does-not-start-up-normally-when-there-is-a-loading-on-the-sys-and-the-battery…
Star,
1. Please refer to the FAQ at
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1022795/faq-bq25601-faq-why-does-the-led-connected-to-stat-pin-flashes-and-the-sys-voltage-unstable-when-battery-is-not…
Hi,
1. When the BAT pin is open (not connected to the battery), the charger should behave as described in the FAQ below. Please check your device.
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1022795…
Hi,
Please visit the FAQ below for the details.
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1021465/faq-why-vsys-does-not-start-up-normally-when-there-is-a-loading-on-the-sys-and-the-battery-is-not-present…
Hello,
The BQ25619 does not internally detect if a battery exists.
This FAQ I link here further addresses your question. https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1022795/faq-bq25601-faq-why-does-the…
