Answered

• TPS61169: TPS61169, driving backlight 21V and 160mA

  

  Vitali Lach

  Resolved

  Part Number: TPS61169 Other Parts Discussed in Thread: TPS61500 Dear Sirs and Madams, our customer like to change the display type in his system, so I have to check the feasibility. I would appreciate your help: is that possible to drive the backlight…

  • Resolved

  • 1 month ago
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• TPS61169: PSpice example for EVM

  

  Darren Jenkins

  Part Number: TPS61169 Hi, Do we have a PSpice example project for the TPS61169 EVM? Our customer is having some trouble getting the simulation to work, and it might be easiest if someone already has a PSpice project defined for the EVM. Thanks, Darre…

  • 26 days ago
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Answered

• RE: TPS61169: TPS61169 current too high; does not respond to value of feedback resistor

  

  Peter Borden

  Resolved

  I re-laid out the circuit board with the feedback resistors next to the driver, as you recommended. I also added a second supply bus to better connect the drivers to the supply. These changes did not solve the problem. I tried larger feedback resistors…

  • 2 months ago
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Answered

• TPS92360: Relationship between TPS92360 and TPS61169

  

  Edmond Hung1

  Resolved

  Part Number: TPS92360 Other Parts Discussed in Thread: TPS61169 , The datasheet of TPS92360 is highly similar to TPS61169. Not just the pin function, also the details numbers in the specification and circuit. Are TPS92360 can act as a direct replacement…

  • Resolved

  • 2 months ago
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• TPS61169: Can control pin be driven with 1.8Volt level?

  

  Aliasgar lightwala

  TI Thinks Resolved

  Part Number: TPS61169 HI team, I need confirmation on the Control Pin of the driver IC. I have a processor whose output levels are 1.8V , which is connected to control pin of the driver. Will this 1.8V levels will be sufficient for the proper operation…

  • 1 month ago
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Answered

• TPS61169: current per LED

  

  Y.Ottey

  Resolved

  Part Number: TPS61169 Dear TI Team I would like to confirm the output current regulation of TPS61169. The TPS61169 web page states that the Current per LED value is 400mA, but the electrical characteristics of the data sheet do not have a parameter that…

  • Resolved

  • 3 months ago
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• TPS61169: Flickering at 70% duty cycle

  

  Franz Schellhase

  TI Thinks Resolved

  Part Number: TPS61169 Hi team, Can you have look at the following customer inquiry please? In a current project I used the TI TPS61169 to drive a display backlight. The driver worked without problems in the pre-series, but currently we are struggling…

  • 3 months ago
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• TPS61169: SPEC confirmation request

  

  MJ Jeon

  TI Thinks Resolved

  Part Number: TPS61169 Hi, Support Team A customer is designing an e-book. I want to operate the Back-light LED using the following products, As a result of checking, it seems that the number of strings is recommended as 10. The customer's spec is…

  • 3 months ago
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Answered

• TPS61169: Not responding to higher freq PWM

  

  David Guest1

  Resolved

  Part Number: TPS61169 There are another 11 LEDs in series (12 toral - set to 50mA max wire 3R9) The LIGHTS net is direct from a 1.8V CPU, and voltage goes rail to rail (checked on scope). When we run the PWM at around 500Hz (way below the spec) , the…

  • Resolved

  • 3 months ago
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Answered

• TPS61169: Asking for TPS61169 technical questions

  

  SHH

  Resolved

  Part Number: TPS61169 Hi Team, My customer got a few questions about TPS61169. Could you help guide me to the answers? 1. The attached TSC file is TPS61169 tsc file downloaded from ti.com but with inductor changes to 10uH. The IL seems not stable. Is…

  • Resolved

  • 8 months ago
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