TI E2E support forums
Menu
Search through millions of questions and answers
User
Menu
Search through millions of questions and answers
User
E2E™ support forums
Forums
Amplifiers
Audio
Clock & timing
Data converters
DLP® products
Interface
Isolation
Logic
Microcontrollers
Motor drivers
Power management
Processors
RF & microwave
Sensors
Site support
Switches & multiplexers
Tools
Wireless connectivity
Archived forums
Archived groups
Technical articles
Analog
Automotive
DLP® technology
Embedded processing
Industrial
Power management
0
TI training
Tech days
Online training
Live events
Power Supply Design Seminar
Getting started
More
Cancel
简体中文
Search tips
Showing 18 results
View by: Thread
Post
Sort by
Relevance
Oldest to Newest
Newest to Oldest
Pradeep N52
over 2 years ago
Power management
Power management forum
BQ24753: Ringing noise at battery charging circuit
TI Thinks Resolved
Part Number:
BQ24753
Dear, We are using the below attached circuit in our design.The Ringing noise is observed at TP49 which is about 300mV(Battery charging voltage). after that we try to increase the rise time of the switching circuit so R559 and R568...
zhen yang43
over 2 years ago
Power management
Power management forum
BQ24753: BQ24753 can't charge the battery
TI Thinks Resolved
Part Number:
BQ24753
I design a 3 cells Li-Ion battery charger circuits using
BQ24753
,the test result are that the vref pin voltage is 3.3V, but the voltage is always is high of the acdrv pin in the situation of the presentation of ac adapter and whether...
Karthik B
over 2 years ago
Power management
Power management forum
BQ24753: Current Requirement of BQ24753
TI Thinks Resolved
Part Number:
BQ24753
Hi Team, I am making a power budget for my board and I am using
BQ24753
part in it , I am bit confused about how to put the current required for this IC can you please suggest. this for power estimation. I have attached power...
Karthik B
over 2 years ago
Power management
Power management forum
BQ24753: Can I use this part for charging 7.4V , 10Ah Li ion battery
TI Thinks Resolved
Part Number:
BQ24753
Hi team, We are designing a battery operated device and we are planning to use a battery with 7.4V ,10AH battery . And we have a requirement that it should be charged within 4 hours , DC Input voltage is 9V and device should use...
Shishuo Zhao
over 1 year ago
Power management
Power management forum
RE: BQ24753A: Bq24753A adapter and system current.
Hi Daria,
BQ24753
A is buck achitecture, BQ25713 is buck boost NVDC architecture. And BQ25713 is also 800kHz /1.2Mhz switching frequency. So efficiency is not as good as
BQ24753
. Please keep this in mind. For power management, BQ25713 can meet your...
allen kitchen
over 7 years ago
Power management
Power management forum
bq24753 "head" voltage requirements
We are operating at 15V and charging a 12.6 volts 3 cell LiIon pack at 160ma. As voltage of the cells rise, the charging current drops off. I thought this was a CV termination but it starts too early. And you can make it go away by raising the voltage...
Zoltan Szabo1
over 8 years ago
Power management
Power management forum
BQ24610 or BQ24705 or BQ24753 ?
Hi, I have an application to charge 3 cells Li-Po batteries. For first protos Im looking for BQ24610 or BQ24705 or
BQ24753
, but the input voltage is from a turbine with up to 24V. The cells charging is OK, but my system support 9-15V, so I can not connect...
allen kitchen
over 7 years ago
Power management
Power management forum
Bq24753 unable to go into Synchronous operation; no charge pump
Yellow is Voltage out of L1 Blue is high gate voltage Q4 We are getting very low currents out from the
BQ24753
design, and they are dependent on the voltage difference between V+Raw and VPack. This is to be expected if the charge pump is not working...
NewFile0.bmp
View
Hide
Frank Thomas
over 9 years ago
Power management
Power management forum
BQ24753A - no end of charging
Resolved
Hey guys, I'm currently testing the
BQ24753
A. While I was charging my LiPo battery (2 cells @ 8.34V, 5000mAh) I noticed that there is no charge cut off when the current is dropping below a certain value. I don't know the exact current limit for my battery but it is recommended as far as I know...
Siddharth Adyanthaya
over 5 years ago
Power management
Power management forum
RE: Charging issue with BQ24753A IC
Thanks for providing the comparison document.However as per the comparison table every changes are implemented properly while migrating from BQ24750 to
BQ24753
but still issue does exist.Let me know how we can debug the same?
>
Didn't find what you are looking for? Post a new question.
Ask a new question