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  • TPS7A49: TPS7A4901DRBT - Issue

    TI Thinks Resolved
    Part Number: TPS7A49 Dear Team, We purchased the TPS7A4901DRBT from DigiKey. However, the marking on the received component appears to be different from what we expected, and we are unable to identify the part number based on the information provided…

  • TPS7A49: TPS7A4901DRBR: Bootstrap application LDO failed

    Part Number: TPS7A49 Other Parts Discussed in Thread: UCC28950 Hi, The above LDO was used in bootstrap configuration in half bridge circuit. That Bootstrap LDO was failed which resulted into MOSFET failure. After replacing LDO and MOSFET, converter…
    • Answered

  • TPS7A49:Question About R2 Calculation

    Resolved
    Part Number: TPS7A49 Tool/software: Dear team, I am currently reviewing the TPS7A49 datasheet and have a question regarding the calculation of R2 in the adjustable output configuration. In equation (2) on page 14, it is written as: VFB(nom)/R2＞5μA…
    • Resolved

  • TPS7A49: LDO needed for 150mA, VIN=+24V and good thermal dissipation

    Other Parts Discussed in Thread: TPS7A19 Tool/software: We are looking for an LDO with VIN = +24V and Vout = 3.3V or 5V, I_out = 150mA, T_JA < 50 C/W and optionally with soft start feature. We liked TPS7A19 for its size and heat dissipation but it is…

  • TPS7A49: Power Supply Design verification

    TI Thinks Resolved
    Part Number: TPS7A49 Tool/software: Hi Team Please help to review the design below and provide your feedback. Input Voltage: 6.5V Output Voltage: 1.8V Load current: 92mA Thanks in advance, Regards Haritha

  • TPS7A49: LDO turned OFF during switching.

    Part Number: TPS7A49 Tool/software: We are using this LDO (15V to 6.5V) in the bootstrap circuit to power the high-side FET in a PSFB ZVT converter. During module switching, we have observed that the LDO intermittently turns off. Please refer to the attached…
    • Answered

  • TPS7A49: Vout change rate

    Resolved
    Part Number: TPS7A49 Tool/software: hello, We are using the TPS7A49 in the below circuit. When OUT=8V, we short R48, connected to R49 and the FB pin, so TPS7A49 OUT changes from 8V to 15V (R48 shorted via transistor for OUT=15V and connected for…
    • Resolved

  • TPS7A49: Clock Buffer input

    TI Thinks Resolved
    Part Number: TPS7A49 Other Parts Discussed in Thread: LMX1214 , TPS7A94 Tool/software: Hi Team, As per the above image we are feeding 12V from external and generating 6.5V. from 6.5V old circuit has P/N: TPS7A4901 and evaluation board has (P/N…
    • Answered

  • TPS7A49: [TPS7A4901] Questions about discharging operation

    Resolved
    Part Number: TPS7A49 Other Parts Discussed in Thread: TPS61288 Tool/software: Hello. This is Kwonjoon Lee from South Korea. I would like to ask about a discharging operation of the TPS7A4901. (Detailed Situation) 1. The VIN of my TPS7A4901…
    • Resolved
    • Answered

  • TPS7A49: TPS7A4901DGNR Errata

    Resolved
    Part Number: TPS7A49 We had one TPS7A4901DGNR fail on one of our products and our customer has asked us to identify if there is any known errata or failure issues associated with this part. Is there any such information associated with the TPS7A4901DGNR…
    • Resolved

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