• TPS61176: request for review schematic of TPS61176RTE

  

  robin Moon

  TI Thinks Resolved

  Part Number: TPS61176 Other Parts Discussed in Thread: TPS61169 Hi. Expert. My customer is using TPS61178RTE as WLED backlight. What is the maximum sink current of each LED channel? He set it to 80mA per channel, is that possible? He requested a circuit…

  • over 4 years ago
  • Power management
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• TPS61176: TPS61176；PWM

  

  kunhuo chen

  TI Thinks Resolved

  Part Number: TPS61176 TPS61176 Can't the PWM / EN pin directly input 1.8V or 5V DC with constant voltage? Use the circuit in the figure below to supply 5V DC power and provide 1.8V DC power to the PWM / EN pin. There is no output measured. Must the PWM…

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

• TPS61176: TPS61176 LED channel sink current

  

  Teach Me

  Resolved

  Part Number: TPS61176 Hi TI Experts, May i know what is the maximum sink current for each LED channel? From the datasheet, it mentioned is 35mA. But at page 5 (Electrical Characteristic), the IIFBx_max Current sink max output current is 35mA(min). Does…

  • Resolved

  • over 5 years ago
  • Power management
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• TPS61176: Output current stability of TOS61176

  

  user6284040

  Part Number: TPS61176 For TPS61176 chip, the current EN pin voltage we use is about 1.7V (as shown in the red box below). Under this condition, when the output channel is > = 3 (the total output current is about 60mA), the problem of backlight flash caused…

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

• TPS61176: Selection of schottky diode parameters

  

  Gary Gaooo

  Resolved

  Part Number: TPS61176 Hi, I used TPS61176 for 8S6P LED, Lithium battery power LED 3.3V 15mA Now I'm trying to figure out whether the schottky value is going to be 1A or 2A,can you help me?

  • Resolved

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

• TPS61176: Power consumption at different input voltage.

  

  Abhilash G

  Resolved

  Part Number: TPS61176 Hi, We are using TPS61176 to drive our WLED. Our observation is that, when 1. VIN = 3.3 V, Current consumed to drive our LEDs = 50mA 2. Now if we reduce VIN to VIN= 3.2 V, Current consumed to drive our LEDs = 2 A 3. Now again if…

  • Resolved

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

• TPS61176: No boost use case

  

  Shinya Sawamoto

  Resolved

  Part Number: TPS61176 Hello team, I have a quick question about TPS61176 use case. Is it acceptable if a user doesn't use the boost converter? (e.g. both 5V for Vin and 24V for LEDs can be provided) Thanks in advance. Shinya Sawamoto TI Japan East area…

  • Resolved

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

• LM3532: Addressing multiple LM3532's on the same board? Your recommendation?

  

  Leif Ilvedson

  Part Number: LM3532 Other Parts Discussed in Thread: LP5520 , LP8860-Q1 , LM3697 , LM3633 , LM3533 , TPS61040 , TPS61042 , TPS61043 , LM3530 , TPS61169 , LM3410 , TPS61176 , TPS61177 , LP8556 , TPS61196 I'm looking at a project that could benefit from having more than…

  • over 1 year ago
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• TPS61176: PWM Dimming minimum

  

  Jerry Chu

  Part Number: TPS61176 Hi Expert, I saw TPS61176 datasheet shows the PWM input range is 100Hz~22KHz, does it possible change to 60Hz? Any side effect? Thanks!

  • over 7 years ago
  • Power management
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• TPS61176　PWM　Dimming　Pulse width

  

  Masazumi Ishii

  Other Parts Discussed in Thread: TPS61176 Hello. TPS61176 is being considered. I have a question. PWM/EN PIn：PWM　Dimming How many is Minimum Pulse width? The condition PWM Input:1khz Thank you.

  • over 9 years ago
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