• UCD90320: UCD90320

  

  Arpit Gupta

  Part Number: UCD90320 Other Parts Discussed in Thread: UCD9090A , We are using UCD90320 & UCD9090A. Can we short PMBus of both to program with different addresses assigned ? We are using one 5x2 berg header to program these.

  • 8 days ago
  • Power management
  • Power management forum

• UCD90320: ucd90320

  

  li shu

  TI Thinks Resolved

  Part Number: UCD90320 Hi, the UCD90320 has an embedded sensor which can show the ambient temperature. 1. Looking at the UCD90320 Sequencer and System Health Controller PMBus Command Reference document, there’s a command shown to read an internal temperature…

  • 5 months ago
  • Power management
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• UCD90320: FAN controller for UCD90320

  

  Mayank Mishra

  TI Thinks Resolved

  Part Number: UCD90320 Other Parts Discussed in Thread: UCD90910 , UCD90124A Hello Team, Please refer below for the query we have from one of our customer. Can you please help with the same: "There is a need for multi channel FAN controller and I am wondering…

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

• UCD90320: VREFA design check for external 3V of LDO for VREFA+

  

  user6013811

  Resolved

  Part Number: UCD90320 Hi UCD90320 VREFA+ specification is 2.4V~3V, but your reference design used 3V output LDO (REF5030A) for UCD90320 VREFA+. That LDO(REF5030A) could be over 3V that out of VREFA+ specification. Does it have any risk for this design…

  • Resolved

  • 27 days ago
  • Power management
  • Power management forum
Answered

• UCD90320: Margin

  

  user6158403

  Resolved

  Part Number: UCD90320 Other Parts Discussed in Thread: TPS62090-Q1 , Hi, When I not enable margin pin, then the voltage is stable. When I enable margin pin to control the voltage, then I use equipment to measure to waveform, then voltage is unstable(voltage…

  • Resolved

  • 3 months ago
  • Power management
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• UCD90320: SMBus Data Flash Script and Driver

  

  Thomas Moreno

  TI Thinks Resolved

  Part Number: UCD90320 Other Parts Discussed in Thread: UCD9090 , , UCD90160A , UCD9090A Hello - I have 2 questions regarding new issues that the UCD90320 device raises that we don't see with UCD9090/A or UCD90160A 1.We have a script that we wrote to…

  • 3 months ago
  • Power management
  • Power management forum

• UCD90320: UCD90320

  

  Madhura Gogate

  TI Thinks Resolved

  Part Number: UCD90320 UCD has AMON, EN, MAR, DMON and GPIOs. AMON will be used for voltage monitoring EN as ON/OFF of DC-DC parts ( for sequencing) MAR for marginal testing ( like increasing and descreasing the Voltage o/p of DC-DC parts) DMON for digital…

  • 8 months ago
  • Power management
  • Power management forum
Answered

• UCD90320: AMON and ENABLEs used independently?

  

  Mike Pettus

  Resolved

  Part Number: UCD90320 Other Parts Discussed in Thread: INA4180 , We would like to use the UCD90320 to sequence enable outputs, but use the AMON inputs for independent analog monitoring, not associated with rails. In other words, can we use the device to…

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• UCD90320: Is the number of GPIs that can have their Fault Enable bit set limited to 4 GPIs?

  

  Paul Henderson

  TI Thinks Resolved

  Part Number: UCD90320 The GPI Config register has 32 entries for GPIs. Each entry has a "Fault pin bit" According to TI's UCD90320 Sequencer and System Health Controller PMBus Command Reference... "When this bit is set with GPI_CONFIG command…

  • 2 months ago
  • Power management
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Answered

• UCD90320: ADC equivalent input resistance versus recommended series input resistance

  

  Mike Pettus

  Resolved

  Part Number: UCD90320 The ADC equivalent input resistance in the data sheet shows 2.5k ohm max, which means it could even be lower. We intend to drive the ADC inputs with either direct regulator voltage outputs, or with op-amp buffering from dividers…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

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