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Frequent Questions
Brett Colteaux
1 month ago
Power management
Power management forum
[FAQ] What type of bridge do I need for my PoE PD application?
Answered
What type of bridge do I need for my PoE PD application?
Brett Colteaux
1 month ago
Power management
Power management forum
[FAQ] TPS23755: What is the benefit of Primary Side Regulation (PSR)?
Answered
Part Number: TPS23755 What is the benefit of Primary Side Regulation (PSR)?
Brett Colteaux
1 month ago
Power management
Power management forum
[FAQ] Why is high efficiency important in PoE applications?
Answered
Why is high efficiency important in PoE applications?
Brett Colteaux
1 month ago
Power management
Power management forum
[FAQ] TPS23754: Can I use 24V PoE in my PD application?
Answered
Part Number: TPS23754 Can I use 24V PoE in my PD application?
Darwin Fernandez
2 months ago
Power management
Power management forum
[FAQ] TPS23751: Can APD pin left floating on my PoE PD controller?
Part Number: TPS23751 Hi Darwin, For all of TI's PoE PDs, even if there is an internal pull down on APD, it is recommended and good practice to terminate this pin to RTN or ARTN if APD is not used. This is also described in the PoE PD's datasheet...
Darwin Fernandez
2 months ago
Power management
Power management forum
[FAQ] TPS2372: What kind of MPS (maintain power signature) feature does my PoE PD application need?
Part Number: TPS2372 Hi Darwin, In general, a PD can meet MPS by supplying at least 0.5W to the PSE (usually meets the MPS spec by the load going into normal operation). We have one family of PDs that do a feature called “automatic MPS”...
Darwin Fernandez
2 months ago
Power management
Power management forum
[FAQ] TPS2372: What is the TPH, TPL, BT code when connected to an AT PSE, AF PSE or BT PSE, or a POE++ PSE, or an Adapter?
Part Number: TPS2372 The table below shows the TPH-TPL-BT state when connected to an AT PSE (Type 1 or Type 2) or AF PSE (Type 1) , BT PSE (Type 3 or 4), non-standard POE++ PSE, or adapter (when APD goes high). PSE Type Power Sourced from...
Patrick Chen
2 months ago
Power management
Power management forum
[FAQ] TPS23861: Reset rise/fall timing spec. of reset pin (PoE PSE Startup Guidelines)
Answered
Part Number: TPS23861 Hello Does TPS28861 have any rise/fall timing specification of reset pin? Thank you. BR Patrick
David Park
2 months ago
Power management
Power management forum
[FAQ] PoE PD Controllers: Operation above 57V
Part Number: TPS2375 Hi, Does TPS2375 have over voltage protection? If no, when VDD goes to above 57V, what is the operation of TPS2375 ? Is it turned off? If yes, can I call it over voltage protection? Thanks.
Bill Johns
2 months ago
Power management
Power management forum
[FAQ] BQ24040 and BQ2404X family Charge Complete Pin Behavior, /CHG
The BQ2404X family of charger has a charge complete pin, /CHG to indicate charge in progress or complete. But under some conditions the battery charge has stopped (no current to battery) but /CHG indicates charge. In other case the battery is charging...
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