Part Number: BQ25121A Other Parts Discussed in Thread: BQ25155 , BQ25120A , BQ51013B , BQ51003 I'd be glad to help you with the provided thread:
Hi,
My application involves receiving wireless power through Qi compatibility and charging the battery using…
Part Number: BQ25121A Hi there,
I'm a bit confused about the J25 jumper on the BQ2512x evaluation board. It seems to offer PMID-VINLS or SYS-VINLS configurations.
While PMID-VINLS, I understand PMID acts as a power input when VIN is valid and the…
Hi,
Divya Jyoti Pandey said: when expected ship mode entry did not occur
This may be because the default value for the MRREC bit on the BQ25121A is set to 0b1. With this value after an Reset via MR press the device will enter Hi-Z mode rather than Ship…
Part Number: BQ25121A Other Parts Discussed in Thread: BQ25121 Hi there
My current design contains a BQ25121A for battery management. After being attached to a power supply (USB) for approx. 12hrs, the BQ25121A has only 1.4V at VSYS. I could not find any…
Part Number: BQ25121A Hi,
I wonder whether the BQ25121A and my circuit can be operated from the LDO output only. I want to avoid the extra parts for PWM since I have very little space on my PCB and loads of 10 mA max. However, I am not sure if I get the…
Part Number: BQ25121A Other Parts Discussed in Thread: BQ25120A , BQ25120 Hi,
I tried to find a devboard for the BQ25121A but so far was unsuccessful. Isn't there any on offer? What do you recommend to do HIL testing?
Best regards,
Peter
Part Number: BQ25121A Hi
The customer design with bq25121A.
①Only connect the battery, turn on normally (SYS outputs 3.0V—MCU configures it through I2C at the beginning of boot);
②MCU pulls up the CD pin (MR pin can be regarded as floating at this…
Part Number: BQ25121A Hi,
We are using BQ25121AYFPT battery charger management IC. Our non-programmed Charging IC output is 2.5V and the programmed output is 3.3V We are facing issues of many kinds on our boards. To list down a few:
First Case: The…
Part Number: BQ25121A Hi Team, would like to use the BQ25121A with a battery and wanna know if the Vsys will be able to regulate at 3.3V even if the battery is at 3V for example.
Thank you.
-Mark
Hi Kygo,
Could you please check the BQ25611D datasheet and find out whether the spec can meet the requirement. BQ25611D is a switching charger and the BOM cost would be higher than the liner charger solution.
Best regards,
Eric
