SPRAD41 May   2022 AM623 , AM625

 

  1.   Trademarks
  2. 1Introduction
  3. 2AM62x Power Management Features
    1. 2.1 Low Power Modes
    2. 2.2 Active Power Management
    3. 2.3 Power Supply Simplification
    4. 2.4 Power Solutions
  4. 3Low Power Processor Architecture Considerations
  5. 4AM62x Power Consumption
  6. 5Power Estimation Tool
  7. 6Conclusion

2 AM62x Power Management Features

The AM62 processor uses several essential techniques to reduce active and static power consumption. Table 2-1 shows the AM62x power management features and the benefits.

Table 2-1 AM62x Power Management Features
Key Features AM62x Power Management Benefits
Low Power Modes DeepSleep, MCU Only, Standby, Partial I/O Longer battery operation lifetime
Active Power Management Low bus clock frequency operation at 125 MHz (OPP low) Low active power consumption for low activity use cases
Dynamic frequency scaling (DFS) Thermal management
Power Supply Simplification

Up to 1.25 GHz A53 at 0.75 V

Up to 1.4 GHz A53 at 0.85 V

Differentiated low power capability with 0.75-V core power supply

Higher performance with 0.75-V core power supply

Single core power supply

Simpler power domains

 Lower cost power solution and less complicated software control for power management
Simple power sequencing with integrated LDO enabling a low-cost discrete power solution

Easier to optimize a power solution for the overall system

Low-cost power solution
Companion PMIC New low cost PMIC Low cost PMIC optimized for AM62x