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CC3220功耗

Other Parts Discussed in Thread: CC3120, CC3220S, CC3220R, CC3220SF, CC3200

请问,CC3210和CC3220的wifi方案,是否能够提供这两款IC在不同状态(TX mode, RX mode, sleep mode, deep sleep mode)下的功耗数据给我们评估电池寿命,需要这个数据来分析系统的损耗,谢谢!

  • 是CC3120跟CC3220吧?具体的功耗数据在芯片各自的产品页面上有给出,摘录如下:

    CC3120:
    Advanced Low-Power Modes
    Shutdown: 1 µA
    Hibernate: 4.5 µA
    Low-Power Deep Sleep (LPDS): 115 µA
    RX Traffic: 59 mA @ 54 OFDM
    TX Traffic: 229 mA @ 54 OFDM, Maximum Power
    Idle Connected (MCU in LPDS): 690 µA @ DTIM = 1

    CC3220:
    Advanced Low-Power Modes:
    Shutdown: 1 µA
    Hibernate: 4.5 µA
    Low-Power Deep Sleep (LPDS): 135 µA (Measured on CC3220R, CC3220S, and CC3220SF With 256KB RAM Retention)
    RX Traffic (MCU Active): 59 mA (Measured on CC3220R and CC3220S; CC3220SF Consumes an Additional 10 mA) at 54 OFDM
    TX Traffic (MCU Active): 223 mA (Measured on CC3220R and CC3220S; CC3220SF Consumes an Additional 15 mA) at 54 OFDM, Maximum Power
    Idle Connected (MCU in LPDS): 710 µA (Measured on CC3220R and CC3220S With 256KB RAM Retention) at DTIM = 1
  • 感谢快速的回复!
    还有个问题请教下,我们客户听到说,CC3220可以支持低功耗连接,一颗电池供电的Sensor,能支持9个月,而且说是wifi没有断开的, Low-Power Deep Sleep (LPDS),这个有报错wifi连接吗
  • 不客气~
    他说的是不是Hostless Mode?此模式下host MCU一直睡眠,只有NWP定期醒来做心跳包维护等功能。
  • Hostless Mode?此模式下host MCU一直睡眠,只有NWP定期醒来做心跳包维护等功能。
    请问这种模式下,会保持和路由器的wifi连接吗?
    这种模式下的功耗是多少?

    请帮忙再次确认下,我下述填写的电流功耗是否正确,我们需要这几个数据计算电池寿命,谢谢!
    1.sleep modle--Hibernate 4.5uA
    2.Avg current - Wifi connecting and communicating 223mA
    3.Avg current - Wifi connecting and non-communicating 59mA
  • 每天特别给出此模式下的功耗,不过如果客户需要了解并测试此模式,请参考如下文档的18章:
    www.ti.com/.../swru455j.pdf

    1.sleep modle--Hibernate 4.5uA
    2.RX Traffic (MCU Active): 59 mA (Measured on CC3220R and CC3220S; CC3220SF Consumes an Additional 10 mA) at 54 OFDM
    3.TX Traffic (MCU Active): 223 mA (Measured on CC3220R and CC3220S; CC3220SF Consumes an Additional 15 mA) at 54 OFDM, Maximum Power
  • Hi Viki
    请教下,我有看到TI论坛中有一个帖子,是将CC3220的使用的,其中有提到类似的需求
    e2echina.ti.com/.../554.cc3200-cc3220
    能否提供下如下2点的相关数据和报告,供我们参考,分析下

    3. 两节7号电池供电可以工作在低功耗模式多长时间?
    如果只是在低功耗模式下的话, 2500mAh可以用大概6个月以上。如果你需要传输数据的话,就看依赖于你传输数据的频率。

    17. WIFI的待机功耗如何?是不是有掉包的现象?
    有4微安和825微安的两种待机,4微安的WIFI不连接,825微安的WIFI保持连接,和平时正常工作模式一样。
  • 请参考一下https://processors.wiki.ti.com/index.php/CC3200_Power_Management_Optimizations_and_Measurements 这里有功耗测试的方法和数据,你们可以根据你们的应用场景计算一下。掉包的现象一般没有,WIFI和TCP/IP都有重传的机制,嘈杂的环境有重传通常功耗会大一点。

  • 请问你们实测出来 有4ua吗? 包括GPIO的功耗等。印象中GPIO的供电是不断的,只是进入高阻态。