BQ25611D: When BQ25611D is charged at 1A and discharged at 1A, the surface temperature of the chip is as high as 79 degrees.

river xie

Prodigy 130 points

Part Number: BQ25611D

When BQ25611D is charged at 1A and discharged at 1A, the surface temperature of the chip is as high as 79 degrees.

1.Where is the main source of heat?

2. How can we solve it?

3. What information do we need to provide?

over 4 years ago

0 Wyatt Keller over 4 years ago

TI__Guru** 105760 points

Hello River,

Can you share your layout and schematic? The charger needs heat sinking into the PCB otherwise it may heat up to high temperatures like you're seeing.

Sincerely,

Wyatt Keller

Power management

Power management forum

BQ25611D: When BQ25611D is charged at 1A and discharged at 1A, the surface temperature of the chip is as high as 79 degrees.