米6体育平台手机版

SWRA625B August 2018 – February 2020 CC1352P , CC1352R , CC2652P , CC2652R , CC2652R7 , CC2652RSIP

6.1 Estimation for Usage Scenario

In this section, you can estimate per-day current consumption amounts based on daily usage scenarios and calculate the battery life for each scenario. It is assumed that 1 CR2032 coin cell battery whose capacity is 235 mAh is used, and that the TX power level used is the default 5 dBm.

For ease of calculation, defined here is the constant CC_SLEEP, per-day charge consumption in sleep mode. Since the switch is supposed to sleep most of time and the time period where it is awake is relatively negligible, assume the switch is consuming sleep mode current all the time. CC_SLEEP is calculated as shown in Equation 1.

Equation 1.

C C_{S L E E P} = 0.0008 m A * 1000 \frac{m s}{s} * 60 \frac{s}{m i n} * 60 \frac{m i n}{h r} * 24 \frac{h r}{d a y} C C_{S L E E P} = 69120 \frac{m A}{d a y}

Consider the following two example usage scenarios to present how to estimate per-day charge consumption in various actual usages.