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48V battery system

Zena Lee
Intellectual 2690 points
Other Parts Discussed in Thread: LMR51610, LMR36501, LMR38020, LM5169

Hi team,

Could you provide common solution of automotive power rail that uses 48V battery?

How does it supply MCU/ CAN/ LIN etc?

(ex. 48V --> buck -->  1) LDO --> MCU, CAN 2) LDO --> sensor)

Customer has frequently requested about 48V battery device recently. 

  • 0
    TI__Genius 12865 points

    Hi Zena,

    What are the operating conditions? Once you provide the operating conditions, we can recommend the appropriate device.

    Best regards,

    Ridge

  • 0 in reply to Ridge Lahti
    TI__Intellectual 2690 points

    This is for general body application, mostly simple control module.

    Customer wants to get some advice for concept since many OEM is moving forward to 48V battery.

  • 0 in reply to Zena Lee
    TI__Genius 12865 points

    Hi Zena,

    We have a variety of 48V capable parts depending on the load conditions. A few examples are:

    • LMR51610 - 1A load, 65Vin
    • LMR36501 - 0.1A load, 65Vin
    • LMR38020 - 2A load, 80Vin
    • LM5169 - 0.65A load, 120Vin

    We have other 48V capable parts aside from the four examples listed above. Once your customer has set specific operating conditions (Vin, Vout, switching frequency, load, etc.), we can help recommend the best part to meet your application needs. 

    Best regards,

    Ridge Lahti