• UCC27537: schematic and MOS check

  

  Fred Cheng

  TI Thinks Resolved

  Part Number: UCC27537 Hi team, my customer use this on EV charging relay switch. would you help check if this MOSFET is the right fit? and check if the schematic has anything wrong?

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

• UCC27537: What is the imput impedance of UCC27537 VIN+

  

  Wayne Wang20

  TI Thinks Resolved

  Part Number: UCC27537 Other Parts Discussed in Thread: UCC27523 Hi team, My customer is using UCC27537. The schematic is as below: VDD=12V, EN is floating and IN+ is from a opto-coupler. We found that: 1. When we remove R6 and measure opto-coupler…

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• UCC27537: Input signal threshold and input signal hysteresis

  

  Manu Chang

  Resolved

  Part Number: UCC27537 Hi, My customer is evaluating UCC27537 and have some concern about the Input signal threshold. From the table we can see the Vin_H(min) = 1.8 V and Vin_L(max)=1.2V. So in the worst case the input signal hysteresis is only about…

  • Resolved

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

• UCC27537: Could UCC27537 use as a MOSFET driver for 12V

  

  Jim Tsai

  Resolved

  Part Number: UCC27537 Hi, I would like to know if UCC27537 can use as a MOSFET driver for 12V turn on and off? Like as below application for fan 12V control.

  • Resolved

  • over 6 years ago
  • Power management
  • Power management forum

• UCC27537: Output Current vs. Temperature curve

  

  Kevin Huang8

  TI Thinks Resolved

  Part Number: UCC27537 Hi Team, Please help provide the Output Current vs.Temperature curve.

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

• UCC27537: Trying to import the PSpice models to Altium

  

  Trey Lakatos

  Resolved

  Part Number: UCC27537 This is my first time working with Altium and TI parts. I'm having trouble figuring out how to import the part into Altium and run a simulation on it. Any help of this topic would be appreciated.

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• RE: UCC27537: UCC27537 EN-PIN Low Vol

  

  Richard Herring

  Hello Lei, I am a TI applications engineer who works with Jeff, and will work to help understand the concerns. At this point, it is not clear what is causing the behavior you are describing. I want to ask a couple of questions, and ask you to try a…

  • over 7 years ago
  • Power management
  • Power management forum

• RE: UCC27537: Help check UCC27537 schematic

  

  Muzakkir

  Hi, I'm sorry if continuing this here is wrong, please inform me and delete this if it is. I've tried to just turn on this MOSFET with 5V, but i only get ~3.5V at the LED which is not enough. I'm planing to use UCC27537 to drive the MOSFET, will…

  • over 8 years ago
  • Power management
  • Power management forum

• UCC27537: why UCC27537 has big leakage current when device is still in off mode? how to use it in auxiliary power supply?

  

  Max Han

  TI Thinks Resolved

  Part Number: UCC27537 Other Parts Discussed in Thread: UCC27533 Hi, as below figure, when VDD is 7V, UCC27537 is till in off mode, but the IDD current is 300uA max current, what cause this high current? in most case, UCC27537 is powered by auxiliary…

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• UCC27537: UCC27537 sinking current/impedance during UVLO, Enable function clarification

  

  user434532

  Resolved

  Part Number: UCC27537 The UCC2753x datasheet calls out the feature "Output Held Low When Inputs are Floating or During VDD UVLO". However, nowhere is the behavior specified. Ideally, the datasheet should provide a curve that shows sinking current vs.…

  • Resolved

  • over 8 years ago
  • Power management
  • Power management forum

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