• UCD91320: UCD91320 Q&A

  

  Jerry Kuo

  Part Number: UCD91320 Hi team, My customer is evaluating UCD91xxx. Please help clairfy below questions. Thank you. The deviation between UCD-POWER-SEQUENCER-STUDIO and UCD-POWER-SEQUENCER-STUDIO-DESIGN? The former can be accessed. Can UCD91xxx…

  • 1 day ago
  • Power management
  • Power management forum

• UCD91320: UCD91320: Drive strength on enable pins

  

  Magnus Nilsson1

  Part Number: UCD91320 Hi, What is the minimum current that can be sourced/sink on the Enable pins? I see that Maximum allowed current sunk or sourced by device pin is 6mA. The main question is if I can enable my regulators directly or if I need to…

  • 13 days ago
  • Power management
  • Power management forum
Answered

• UCD91320: Supply Current for UCD91320

  

  KARTHIK KRISHNA JAYACHANDRAN

  Resolved

  Part Number: UCD91320 Other Parts Discussed in Thread: UCD90320 What is the supply current for the device UCD91320? In the datasheet and product page the following information are available: Iq : 10mA IDDERASE : 10mA IDDPGM : 10mA I(ADC) …

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• UCD91320: UCD91320 - Configuration update mechanism via PMBus and Linux example code

  

  Eason Chou

  Part Number: UCD91320 Hi Team, Our customer is currently evaluating the UCD91320 and would like to know if it supports configuration updates via PMBus? The customer's host platform is running Linux 6.x and communicates with the UCD91320 via PMBus…

  • 3 months ago
  • Power management
  • Power management forum

• UCD91320: Any Automation available for this UCD91320 chip?

  

  Smit Patel

  Part Number: UCD91320 Hi, I need some information on this UCD91320 chip in regards to CLI automation for programming the chip and read and write the GPIO's, device id etc on this chip. I have read some documents and could not find any specific information…

  • 5 months ago
  • Power management
  • Power management forum
Answered

• UCD91320: VREF+/- pins

  

  Hirotsugu Kobayashi

  Resolved

  Part Number: UCD91320 Hi team, Please provide information regarding the VREF+/- pins. When using an external VREF, should the VREF- pin be left open or connected to GND? Leaving J1 open—as described in the EVM documentation—results in VREF- also being…

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum
Answered

• UCD91320: Unused crystal case

  

  Hirotsugu Kobayashi

  Resolved

  Part Number: UCD91320 Hi team, Can the UCD91320 be used without a 32kHz crystal? If so, how should the LFXIN and LFXOUT pins be handled? Best regards,

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum

• UCD91320: Sequencing configuration

  

  Pete Highton

  TI Thinks Resolved

  Part Number: UCD91320 Using the Sequencer Studio software tool, I'm having difficulties in defining the sequencing On and Off phases. I've defined all the rails and have entered the On and Off dependencies and Fault Slaves. There are 22 voltage rails…

  • 4 months ago
  • Power management
  • Power management forum

• UCD91320: Voltage Margining Circuit Design Tool

  

  Allen yang

  TI Thinks Resolved

  Part Number: UCD91320 Hi Team, Currently using UCD91320 for voltage margining How should the following parameters be set? VOH : ? VOL : ? F_CLK : ? When adjusting the voltage margin, should we use DPWM VOH or DPWM duty cycle? According to…

  • 3 months ago
  • Power management
  • Power management forum
Answered

• UCD91320: Reset I2C comms without resetting IC

  

  Nicholas Carley

  Resolved

  Part Number: UCD91320 Hello, I2C can get stuck/hung up by downstream devices sometimes. Is there a way to reset the I2C communications without resetting the whole IC? Nick

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

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