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  • TPS61087: Compensation Design

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    Part Number: TPS61087 Here is the condition for boost design, and we're trying to get a better compensation values by Webench. After running the Webench with below conditions, the suggested values are Rcomp=105K, and Ccomp=820pF. however, when using…
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  • TPS61087-Q1: Pin to pin device recommendation

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    Part Number: TPS61087-Q1 Other Parts Discussed in Thread: TPS61087 HI team Due to the supply shortage, could you please help me to look for some pin to pin and same function portfolios to replace it? Since I only find the TPS61378Q1 while it is not pin…
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  • TPS61087: Design operational range check - schematic review

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    Part Number: TPS61087 Hello I was wondering if someone could do a sanity check on my design. The Circuit is supposed to pass 5VDC normally to a 1A load, with the TPS61087 operating in discontinuous mode with 4.5Vin and the charger charging (1) 1S 3.2V…
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  • TPS61087: Ripple Current %

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    Part Number: TPS61087 We're trying to fill in the 35% ripple current in the WEBENCH, but it can not be filled in with that. In the d/s, it suggests to use 35% ripple current isn't?
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  • TPS61087: single die or multi die device?

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    Part Number: TPS61087 Hi Team, As title, can yo help to check for me? Thanks! Kai
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  • TPS61087: How to choose CCOMP？

    Resolved
    Part Number: TPS61087 Hello team, I want to use TPS61087 in my project. Below is my application: Vin:3.0~3.6V Vout:4.65v Iout:0.8A max Can CCOMP be equal to 820pF? In the datasheet Page 14: Make sure that RCOMP < 120 kΩ and CCOMP> 820 pF, independent of the…
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  • TPS61087: How to calculate Inductor current spec?

    TI Thinks Resolved
    Part Number: TPS61087 Hi TI ENG team I want to know how to calculate inductor current spec. My design spec is 1) Vin=+3.0V~+4.2V, => li-ion battery 1-cell 2) Vout = +7.5V 3) Iout = 0.3A 4) Fsw=1.2MHz 5) n=0.9(90%), ripple=0.35(35%) I calculated inductor…

  • TPS61087-Q1: TPS61087 with high load at startup doesn't regulate and oscillation observed

    Part Number: TPS61087-Q1 Other Parts Discussed in Thread: TPS61087 I have a boost converter design using TPS61087 to generate 12 V from a 5V input. Maximum current is about 750ma. If I start up at a 300ma load the circuit is stable, but if I apply a larger…
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  • TPS61087-Q1: Schematic review

    Resolved
    Part Number: TPS61087-Q1 Other Parts Discussed in Thread: TPS61378-Q1 Dear team, Could you please help review the schematic? The input max current is 1A. Thanks & Best Regards, Sherry
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  • TPS61087: Improving transient repose

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    Part Number: TPS61087 Other Parts Discussed in Thread: TPS61089 Hello Expert, I have question for TPS61087 and its typical application circuit. Datasheet's recommended external compensation's time constant is approx. 20kHz. However, we'd like to…
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