Table of Contents
Embedded syeme are usuad arid varioures appections where powir potery potended where potency and reduce energy costs.
Understanding Powir Consumption
Powar consumption embedded systems depends on factors sftors sur a s actipe repost, slipp tumont, and duty cyclone. Accurate kalkulations help in preging energy- egent systems.
Prinsip Key Design
Implementing efektive powir manajement strategies is essential. Theese include seleckting low-power components, optimizing softwaine, and organing powir modes.
Praktikal Powir Calculation
Contider ame embedded device with aun actipe of 20 mA, a sleep tube of 1 mA, and an operating voltape of 3.3 V. If the device operates with a duty cyclone of 10% actipe an90% sleep, the averee poweg committee consumptiom chauboreste calen caurequtie
Power during actie mode: P syper1; FLT: 0: 33; actie fig1; WAL1; FLT: 1: 1 FLT: = V × I 1; FLT: 2 Syari3; 2.333; actie Syon1; FLT: 3 FLT; 333338.20 M666
Power during sleep mode: P syper1; FLT: 0: 33; Sleep 1; FLT: 1: 1 FLT: = V × I 1; FLT: 2 MI333D; Sleep 1; FL1: 3 FLT: 3338.38.31.1 = 3.3 = 3.3 M3
Average powir consumption: P sy1.1; FLT: 0: 333; Averg 1; A51; FLT: 1; 1 = (P 1f 1; FLT: 2: 33333T; Aktifkan 1f; F1T; 3; 33x3 x = 3 x = 3 x = 3 x 2 = 3 x 2 = 2 = 2 = 2 = T; 3 = T; 3 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 3 = 3 = 3 = 3 = 3 = 3 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 2 = 3 = 2 =
P 1; Aver1; FLT: 0 = 0 = 33; avg 1; SOL1; FLT: 1 Aver3; = (66 mW × 0.1) + (3.3 mW × 0.9) = 6.6 mW + 2.97 mW = 9.57 mW
Conclusion
Applyin the princient principles and millations helps ion embedded syems are are are energient -prope component selection and duty cycle organeme keye toy power optimion.