TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • 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
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel


Search tips
Showing 699 results View by: Thread Post Sort by
    Answered
  • BQ25890: why charge current is smaller than expectation

    liping pan
    liping pan
    Resolved
    Part Number: BQ25890 history case: BQ25890: Input current limit setting - Power management forum - Power management - TI E2E support forums Actual test result: 1) set REG00 = 0x7F (resistor connect to ILIM pin is 100ohm) 2) set REG02 = 0x9D…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ25890: what's the relation of VINDPM and VINDPM_OS

    liping pan
    liping pan
    Resolved
    Part Number: BQ25890 if FORCE_VINDPM = 0, what's the actual limit ?
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ25890: temperature value of BQ25890

    Jimmy Lai
    Jimmy Lai
    TI Thinks Resolved
    Part Number: BQ25890 Dear Team, Our custumer have a case of using BQ25890, After reading the value of TS (as shown in Figure 1), how do I convert it into a temperature value? The internal NTC of the battery we use is 10K, B=3435 (Figure 2) …
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ25890: BQ25890 with 2 Battery

    Ray Vincent Aranzaso
    Ray Vincent Aranzaso
    TI Thinks Resolved
    Part Number: BQ25890 Hi, Good Day. I have a customer who is working with BQ25890. Please see below his query for your reference. Thank you very much. We're using a TI bq25890/2 BMS in one of our products with a Lithion-Ion rechargeable battery. We…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ25890: what's the real purose of mininum system voltage limit

    liping pan
    liping pan
    Resolved
    Part Number: BQ25890 Hello, I tested it without power adpter connected. But I don't see any difference as below. Let me know what's purpose this limit setting. 1) if battery is lower than this limit, the system voltage = battery. 2) if battery…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ25890: VBUS voltage

    liping pan
    liping pan
    Resolved
    Part Number: BQ25890 I short D+ and D-. The IC detect it as USB DCP (3.25A). If I connect the VBUS = 12V, what will hapen? Can it still works?
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ25890: BQ25890 not charging

    Feng Xu
    Feng Xu
    Part Number: BQ25890 My board sometime got into some state, that the BQ25890 not charging the battery. The data is shown in the attatached images. The mean value of the registers are also shown in the meanValue.jpg in the zip file. The IDPM_LIM is…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ25890: Charge terminate current

    liping pan
    liping pan
    Resolved
    Part Number: BQ25890 My setting of terminate current is by default. But I found the charge is still ongoing when input current is 0~30mA, and the status LED is blinking. But I don't see any fault by reading out REG0C. Why ?
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ25890: BQ25890 not charging problem

    Feng Xu
    Feng Xu
    Resolved
    Part Number: BQ25890 In my program, I write REG00、REG01、 REG 02、 REG04....REG09 to configure the BQ25890 settings, not including REG03 which uses it's default setting. And the configuration is only set at start up. I write BATFET_DIS=1 to shut down…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • BQ25890: the VSYS transient voltage drop is lower than 3V

    Angelo Tsai
    Angelo Tsai
    TI Thinks Resolved
    Part Number: BQ25890 In the application of BQ25890, the VSYS transient voltage drop is lower than 3V condition 1. Battery specification is 18650 / 1S1P / 3.7V / 3000mA 2. Plug-in 5V/2A of Adapter 3. The battery is fully charged, BQ25890 enters charging…
    • 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