Hi,
The twake for this device is 1ms.
It seems like there might be some issue with the order in which the signals are being sent/read. I suggest consulting section 8.5 of the DS for SPI timings
Is the PVDD voltage stable during this event? Has the customer…
Other Parts Discussed in Thread: UNIFLASH 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1467243/faq…
问题不在于电池电量表端,而在于电池本身。 在极端寒冷的温度下,电池的容量通常会急剧下降,电池的唯一解决方案是添加加热元件,接受电池容量的降低或使用GPCRB工具,但这不会增加或减少电池容量,而是使读数更准确。
GPCRB
https://www.ti.com/tool/GPCRB
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Other Parts Discussed in Thread: TPS65981 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1103709/tps65987evm-spi-flash-to-device-verification-failed-at-99 器件型号: TPS65987…
您好,
请关注PCB布局和输入和输出电容的值,TI提供了EVM请参考
https://www.ti.com.cn/tool/cn/LM27402SQEVAL
或者适当调高 开关频率,如果仍旧没有解决该问题,建议使用示波器看下噪声来源。
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