• LP87745-Q1: How to change the SW frequency of BUCK from 17.6MHz to 8.8MHz?

  

  Wenting Wu

  Part Number: LP87745-Q1 Hello Expert, Could you help to check how to change 0x78 register's value? My customer tried to change this register to make SW frequency of BUCK from 17.6MHz to 8.8MHz, but failed. Can this register be written or it can only…

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• IWR6843: with the LP87745-Q1 PMIC

  

  Mike Schell

  Resolved

  Part Number: IWR6843 Other Parts Discussed in Thread: LP87745-Q1 Is there a reference schematic/layout for the IWR6843 radar chip connected to the new LP87745-Q1 PMIC? Thanks- Mike Schell

  • Resolved

  • over 3 years ago
  • Sensors
  • Sensors forum
Answered

• LP87745-Q1: NRSTOUT restart

  

  siyuan.yao

  Resolved

  Part Number: LP87745-Q1 Other Parts Discussed in Thread: LP87745 , , AWR2944 , LM63625-Q1 We meet a issue on LP87745: When install R261 to connect VIO to 3.3V (from 1 st BUCK), 5V output will down to 2.8V. When uninstall R261, NRSTOUT will be pull…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• LP87745-Q1: SPI communication not work

  

  siyuan.yao

  Resolved

  Part Number: LP87745-Q1 Other Parts Discussed in Thread: AWR2944 , LP87745 LP877451A1RXVRQ1 can not communicate with AWR2944 with SPI. SDO pin of LP87745 not have data.

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• LP87745-Q1: FMEDA : FMD and FIT

  

  Ruijie Zhu

  TI Thinks Resolved

  Part Number: LP87745-Q1 Dear Experts, Now we need FIT and FMD for calculation and analysis. We have signed the NDA agreement and downloaded some information from the official website, but the files in the red box in the figure below have been unable…

  • over 2 years ago
  • Power management
  • Power management forum

• LP87745-Q1: LP87745 nRSTOUT low every 12min

  

  Elec Cheng

  TI Thinks Resolved

  Part Number: LP87745-Q1 Hi Expert, Our customer use LP87745-Q1 to supply radar. After power up. they find LP87745-Q1 nRSTOUT pull low every 12min. The register list is attached. May you help check what's going wrong? Thanks. Fullscreen …

  • over 3 years ago
  • Power management
  • Power management forum

• LP87745-Q1: LP877451A1RXVRQ1 has almost empty Datasheet

  

  ismail cevrim

  TI Thinks Resolved

  Part Number: LP87745-Q1 Hello TI, I cannot reach important parameters of the LP877451A1RXVRQ1 PMIC caused by the Datasheet's version is in level of beginner. When it will has announced ? Thanks in advance.

  • over 2 years ago
  • Power management
  • Power management forum

• LP87745-Q1: LP87745-Q1 Demo SW

  

  Prathyush Keshipeddy

  TI Thinks Resolved

  Part Number: LP87745-Q1 Hi, We are using LP8774x-Q1Three Buck Converters and 5-V Boost for AWR and IWR Radar Sensors. Just want to know is there any example code available to bring up and talk to this chip? Thanks.

  • over 4 years ago
  • Power management
  • Power management forum

• LP87745-Q1: chip package

  

  Meili QI

  Part Number: LP87745-Q1 The PCB package of 87745 reference demo is not the same as that recommended in the specification, which shall prevail. Whether the long solder coil pin should open two sections of steel mesh. thank you！

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• LP87745-Q1: Spread spectrum mode

  

  Wang Qiyu

  Resolved

  Part Number: LP87745-Q1 Hi I want to activate the spead spectrum mode of LP87745-Q1, and I set SS_EN bit to 1, but the PMIC will reset. Could you tell me how to configure it and turn Spead Spectrum mode on? Thanks and best regards,.

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

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