TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Enterprise Automation Integration
    • 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
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel


Search tips
Showing 93 results View by: Thread Post Sort by
    Answered
  • BQ25121A: Operation without PWM possible?

    user6067694
    user6067694
    Resolved
    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…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • BQ25121A: SYS @1.4V

    Urs Beerli
    Urs Beerli
    TI Thinks Resolved
    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…
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ25121A: Help asked for finding a development board

    user6067694
    user6067694
    Resolved
    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
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • BQ25121A: Functionality issues with the battery charger. Battery not charging via Charging IC

    MAYANK SAXENA
    MAYANK SAXENA
    TI Thinks Resolved
    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…
    • 4 months ago
    • Power management
    • Power management forum
  • RE: BQ25121A: BQ25121A In the sleep mode powered by the battery, when awakened by MR , the chip cannot output the set 3.0V only output the default 2.5V

    Juan Ospina
    Juan Ospina
    Hi Star, Star Xu said: SYS will normally output 3.0V For a battery connection it will output 3.0V by default or is this after an I2C configuration? This is unexpected since the default value for the sys is 2.5V. This is why after a shipmode entry and exit…
    • 7 months ago
    • Power management
    • Power management forum
  • BQ25121A: Vsys Regulation

    Mark Philip Felipe
    Mark Philip Felipe
    TI Thinks Resolved
    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
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: BQ25121A: Searching TI solution

    ezhao
    ezhao
    Resolved
    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
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • BQ25120A: Any other differences with BQ25121A and BQ25125

    Darren Jenkins
    Darren Jenkins
    Resolved
    Part Number: BQ25120A Other Parts Discussed in Thread: BQ25121A , BQ25125 Hi, The FAQ refers to the table as showing the "key differences" between the parts. Are there any other differences? https://e2e.ti.com/support/power-management-group/power…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ25121A: BQ25121A Board Testing

    Hinal Tailor
    Hinal Tailor
    Part Number: BQ25121A Hello I am testing power supply section (BQ25121A) and I am facing an issue to get Default battery charging voltage 4.2V in BAT pin. I am applying 5V at VIN using USB, I have connected ISET, ILIM and IPRETERM External resistor…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • [FAQ] BQ25120A: What are the device choices? The BQ25120A, BQ25121A, BQ25122, BQ25123, BQ25125, etc., look very similar?

    Arelis Guerrero
    Arelis Guerrero
    Resolved
    Part Number: BQ25120A Other Parts Discussed in Thread: BQ25125 , BQ25123 , BQ25121A , BQ25122 , BQ25120F3A The devices BQ25120A, BQ25121A, BQ25122, BQ25123, BQ25125, etc., are all part of the same family of battery chargers: BQ25120x. They function similarly…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
>

Didn't find what you are looking for? Post a new question.

  • Ask a new question