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Julian Straub
17 days ago
Power management
Power management forum
RE: BQ24640: mosfet driver PWM reaching only 2V
Great thank you Ricardo!
Zzzz
2 months ago
Power management
Power management forum
BQ24640: Questions about BQ24640 peripheral circuit
TI Thinks Resolved
Part Number:
BQ24640
Hi team, My customer would like to use
BQ24640
,but they are worried about efficiency. They refer to the circuit on the EVM board As shown below, I want to know if there is any solution that can replace P-MOS. Customers worry...
Star Xu
1 month ago
Power management
Power management forum
BQ24640: BQ24640 can not set charging current
Part Number:
BQ24640
Hi I use
BQ24640
to charge a super capacitor bank. This is the circuit diagram of the
BQ24640
part. VCC_BATTERY is 24V. After connecting the super capacitor, it can be charged. First CC and then CV, but the charging current...
Jason Dai
3 months ago
Power management
Power management forum
BQ24640: What is the possible reason that STAT pin blinks while CE pin is at high level?
TI Thinks Resolved
Part Number:
BQ24640
Hello E2E, What is the possible reason that STAT pin blinks while CE pin is at high level? ~Jason
Brian Wang0928
4 months ago
Power management
Power management forum
BQ24640: 24V Backup power for Motor Drive application
TI Thinks Resolved
Part Number:
BQ24640
Customer is looking for solution on backup power module in motor application. The backup power rail is 24V which is generated from AC/DC aux. power. When AC/DC power is failure in motor spin operation with certain events, the...
Yoshinobu Kagawa
4 months ago
Power management
Power management forum
BQ24640: support Li-Ion Battery ?
TI Thinks Resolved
Part Number:
BQ24640
Does the
bq24640
also support Li-Ion Battery? If the
bq24640
also supports Li-Ion Battery, how to detect the Termination? Best regards, Kagawa
Star Xu
4 months ago
Power management
Power management forum
BQ24640: BQ24640 Output voltage incorrect
Part Number:
BQ24640
Hi Use
bq24640
to charge the super capacitor, set the voltage to 5.4v, charging current is 8A. The problem is the output voltage only reach about 1.7v after the CE pin is pulled high when power on, and it is no-load state at this...
Amelie Zheng
6 months ago
Power management
Power management forum
BQ24640: BQ24640 in TCU application
TI Thinks Resolved
Part Number:
BQ24640
Hi Team, My customer now consider to use
BQ24640
in their telematic control unit. The requirements for super capacitors are as follows, could you please help to check whether
BQ24640
is suitable, thank you! 1) The super capacitor...
6034867
6 months ago
Power management
Power management forum
BQ24640: BQ24640:Problems with ultracapacitors charging below VFB voltage
Part Number:
BQ24640
When the voltage of the ultracapacitor is less than 2.1V, the output current is only 25mA. Is there any solution to make the capacitor charge according to the set current even when the voltage is less than 2.1V
Jared Ball
7 months ago
Power management
Power management forum
BQ24640: Charger Turns off after charging to setpoint.
Part Number:
BQ24640
Trying to determine why the charger will not hold the charge at the set point This is a brand new design. When powered on, the charger would charge to the setpoint of 23.4V and shut off. The load would slowly dissipate under a light...
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