The income that you make as a live-in IHSS provider is exempt so you wouldn't qualify for the Child and Dependent Care Credit unless you have other earned income.
There are certain qualifications that you must meet to be eligible for this credit:
For additional information, please review the TurboTax article What's the child and dependent care credit? The Ins and Outs of the Child and Dependent Care Credit and Filing Tax Form 2441: Child and Dependent Care Expenses