5A constant current source

My client wishes to have 5A constant current source for his application with the following requirements:

  • Vin: 3.6V +/- 20%
  • Iout: 5A constant DC current 
  • Rload: 2~3 Ohm (can be varied depending on the sensors)

We need the 5A to be ready once the system is up.

When we browse through the current source IC, we could not find the suitable IC.

One of the IC that we consider now is LT4000-1 battery charger IC.

We plans to set it to bulk charge state always.

Please advise whether there is any other recommendations.

Thank you very much and have a blessed day!

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