• LM48511: PV1 regulation variation spec

  

  user4782171

  TI Thinks Resolved

  Part Number: LM48511 Hi Team, From following link and comment that the PV1 voltage measurement may vary from board to board. My customer measures the PV1 voltage is the same as the forum and knows that the output power as their expectation. But it…

  • over 4 years ago
  • Audio
  • Audio forum

• LM48511: Switching between 3.7V battery and 5V USB

  

  Eng Lih Khaw

  TI Thinks Resolved

  Part Number: LM48511 Other Parts Discussed in Thread: SN74LVC1G00 Hi, Customer of mine is developing 10W spk with LM48511. the input source is either 3.7V battery of 5V USB Normally is from battery pack 3.7V When connected to USB5V, booster will be switched…

  • over 4 years ago
  • Audio
  • Audio forum

• LM48511: LM48511 Schematic

  

  Kevin.Peng

  TI Thinks Resolved

  Part Number: LM48511 Hi Team, Please help check if the circuit needs adjustment. 1. Condition Vin 5V Output 4 ohm 3W~3.5W 2. Is the circuit part value correct? 3. As shown below thanks Kevin

  • over 5 years ago
  • Audio
  • Audio forum
Answered

• LM48511: θJB and ΨJT spec needed

  

  user4782171

  Resolved

  Part Number: LM48511 Hi Team, Need your help to share LM45811 θJB and ΨJT Thermal Information for my customer request. Best regards, Albert Lee.

  • Resolved

  • over 4 years ago
  • Audio
  • Audio forum

• LM48511: Extended EMI measurements

  

  Franz Schellhase

  TI Thinks Resolved

  Part Number: LM48511 Other Parts Discussed in Thread: TAS2552 Hi team, My customer is interested in LM48511 and TAS2552. Do you have EMI measurements that exceed the graph on the first page of the LM48511 datasheet and further information on the test conditions…

  • over 4 years ago
  • Audio
  • Audio forum

• LM48511: Switiching frequency not at 1MHz in Continuous Mode

  

  Franz Schellhase

  TI Thinks Resolved

  Part Number: LM48511 Hi team, Can you comment on my customers inquiry? I can't get the integrated boost regulator of LM48511 to regulate at the fixed switching frequency of 1MHz (according to the data sheet). In continuous mode I see a maximum of 740kHz…

  • over 4 years ago
  • Audio
  • Audio forum

• LM48511: Inductor value discrepancy on LM48511

  

  Leo Chow

  TI Thinks Resolved

  Part Number: LM48511 Hi, i noticed there were discrepancy on the inductor values as per comparison between LM48511 EVM BOM from dataseet vs actual EVM PCB. Were there revision/changes on existing EVMs? Also please advise if we can swap the IHLP-2525CZ…

  • over 5 years ago
  • Audio
  • Audio forum
Answered

• LM48511: LM48511 Question.

  

  Chun Youngsu

  Resolved

  Part Number: LM48511 Dear TI Team, I have a Question. If you do not use the Boost function of the LM48511, can you confirm that V1 and PV1 should be connected to SW? Below is a circuit configuration without Boost function. Please review. Thanks.

  • Resolved

  • over 5 years ago
  • Audio
  • Audio forum

• LM48511: Should I use filters on the output of a filter-less Class D amp?

  

  Randy Nelson

  TI Thinks Resolved

  Part Number: LM48511 We're hearing distortion at higher speaker volumes (using the LM48511EVAL board). While talking with some of our speaker manufactures, they are mentioning that it maybe because the output from the amp is not a sinewave. Because…

  • over 4 years ago
  • Audio
  • Audio forum

• LM48511: LM48511 Over Stress and Recovery Plan Review

  

  Wayne Chen (ex FAE)

  TI Thinks Resolved

  Part Number: LM48511 Hi Sirs, Customer encountered LM48511 over stress damage problem with >4W output power with 7.8V PV1 and would like to reduce output power to avoid damage similar to the cases of e2e.ti.com/.../622609 Would you please assist us…

  • over 5 years ago
  • Audio
  • Audio forum

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