Answered

• TPS544B20: Can CNTL pin be left floating for TPS544B20 to operate properly

  

  LALIT VERMA

  Resolved

  Part Number: TPS544B20 Hi, I would like to know whether CNTL pin of TPS544B20 can be left floating so that TPS544B20 can be enabled by default without any programming. Thanks, Lalit

  • Resolved

  • over 4 years ago
  • Power management
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• TPS544B20: excessive jitter on switch node

  

  Chris Gerolami

  TI Thinks Resolved

  Part Number: TPS544B20 Other Parts Discussed in Thread: TPS544C20 We have three designs on our current board based on your TPS544B20/TPS544C20 IC. Two of them are very similar, a 1.0V and 0.8V design. The feedback network is almost identical, the have…

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

• TPS544B20: Clarification in Datasheet regarding Voltage Levels

  

  Mayank Mishra

  TI Thinks Resolved

  Part Number: TPS544B20 My Customer is using TPS544B20RVFR in our design .In datasheet , they didn’t get the clarity on the logic levels of the SMBUS signals. Please provide the info regrading Vih, Vil, Voh, Vol for data , clk ,alert signals and…

  • over 4 years ago
  • Power management
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• TPS544B20: overshoot issue during TPS544B20 start up

  

  Oliver Ou

  TI Thinks Resolved

  Part Number: TPS544B20 Hi, Customer found TPS544B20 would have a overshoot during start up condition with default setting. Here is the schematic. could you give some suggestion how to avoid the issue? Thanks.

  • over 5 years ago
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• TPS544B20: Schematics verification

  

  Naveen HN

  Part Number: TPS544B20 Other Parts Discussed in Thread: TPS544C20 We are using TPS544B20 as regulator for core power (0.9V @ 10A) for our processor. The schematics was referenced from TI Webench online tool. All layout guidelines are followed. The regulator…

  • over 4 years ago
  • Power management
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Answered

• TPS544B20: CNTL and PMBus usage

  

  Naveen HN

  Resolved

  Part Number: TPS544B20 Other Parts Discussed in Thread: TPS544C20 Hi, We are planning to use TPS544B20 regulator for core supply in our system. The core supply will be enabled after the IO supplies are turned ON as per sequencing requirements. I need to…

  • Resolved

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

• TPS544B20: Question: CLK/DATA-pin

  

  Yasushi Fujiwara

  Resolved

  Part Number: TPS544B20 Hello Experts, My customer has question as follows. Would you please answer them? 1. Are there any issues if 3.3V applies to CLK-pin/DATA-pin when power supply does not apply to VIN/VDD? I don't think it has issues. 2. When the…

  • Resolved

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

• TPS544B20: VOUT has 150mV fixed 56KHZ Ripple follow as PWM

  

  user6491705

  TI Thinks Resolved

  Part Number: TPS544B20 the Vout is not a fixed value， it has a 56KHZ 150+mV ripple。like as this： I found this ripple signal follow the PWM signal， the PWM signal is not a continued singal，it is about 56KHZ on and off。that cause the VOUT have 56KHZ 150mv…

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

• TPS544B20: TPS544B20 I2C Pin capacitance

  

  Dilip Namdeo Mohol

  Resolved

  Part Number: TPS544B20 What is I2C pin Capacitance for TPS544B20

  • Resolved

  • over 5 years ago
  • Power management
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Answered

• TPS544B20: Write Registers after turned on

  

  Yasushi Fujiwara

  Resolved

  Part Number: TPS544B20 Hello Experts, I got question from customer. Customer would like to write a following registers after turned on. Is it possible? Also, do you have any concern? - WRITE_PROTECT - CLEAR_FAULTS - VIN_ON -VIN_OFF - IOUT_CAL_OFFSET - IOUT_…

  • Resolved

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

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