SLDA060 March   2023 AM68 , AM68A , LP8733 , TPS62870 , TPS62871 , TPS62872 , TPS62873 , TPSM8287A12 , TPSM8287A15

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2PDN Selection Guide
  5. 3LP87334E PMIC Settings
  6. 4Example Power Maps
    1. 4.1 AM68x Single LP87334E PDN-6K, Base Features Only
    2. 4.2 AM68x Single LP87334E PDN-6J, Base and eFuse Programming
    3. 4.3 AM68x Single LP87334E PDN-6H, Base, eFuse and SD Card
    4. 4.4 AM68x Single LP87334E PDN-6G, Base, eFuse, SD Card, and USB2.0
  7. 5Conclusion
  8. 6References

4.2 AM68x Single LP87334E PDN-6J, Base and eFuse Programming

The PDN-6J scheme adds one TLV3318P LDO to the base power components as shown Figure 4-2 to enable on-board eFuse programming of the high security AM68x processor for in-field security key updates.

Figure 4-2 AM68x Single LP87334E PDN-6J, Base and eFuse Programming