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基于cubeMX的stm32L0系列单片机RTC配置及相关寄存器配置代码，可用于低功耗模式下（stop mode）对单片机进行唤醒，无需外部唤醒源，只需配置RTC的内部唤醒功能即可实现，代码亲测可用。

USB_MICRO USB_MNI  USB扁口座 TF卡槽 SOIC8 LQFP32芯片ALTIUM 库（3D PCB封装库）, 3D封装，已在项目中使用，可以做为你的设计参考。详细列表如下：Component Count : 94Component Name-----------------------------------------------32165032-8MHZAMS1117ANT2AntennaBATbuzzerCapCAP-0805CAP-3216CD32Crystal Osci ...

NCP1399 是高性能电流模式控制器，半桥谐 变换器。此控制器实现 600 V 门驱动、 简化布 局和减少外部组件计数 。built - in 和 Brown - Out  输入函数简化了执行在所有应用程序的控制器。 在 PFC 前阶段的应用 NCP1399 需要设有专用的 输出驱动 PFC 前级控制器。此功能专用 skip-mode 技术进一步提高轻负载效率的整个 ...

1. Scope ......................................................................................................................................................................... 12. DDR4 SDRAM Package Pinout and Addressing ............................................................................ ...

STM32L053C8T6数据手册Features • Ultra-low-power platform – 1.65 V to 3.6 V power supply – -40 to 125 °C temperature range – 0.27 µA Standby mode (2 wakeup pins) – 0.4 µA Stop mode (16 wakeup lines) – 0.8 µA Stop mode + RTC + 8 KB RAM retention – 139 µA/MHz Run mode at 32 MHz – 3.5 µs w ...

The PW5410B is a low noise, constant frequency (1.2MHz) switched capacitor voltage doubler. Itproduces a regulated output voltage from 1.8V to 5V input with up to 100mA of output current. Lowexternal parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) makethe PW5410B i ...

The PW5410A is a low noise, constant frequency (1.2MHz) switched capacitor voltage doubler. Itproduces a regulated output voltage from 2.7V to 5V input with up to 250mA of output current. Lowexternal parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) makethe PW5410A i ...

The PW5300 is a current mode boost DC-DC converter. Its PWM circuitry with built-in 0.2Ω powerMOSFET make this regulator highly power efficient. The internal compensation network alsominimizes as much as 6 external component counts. The non-inverting input of error amplifierconnects to a 0.6V preci ...

The PW5200A/ PW5200C is high efficiency synchronous, PWM step-up DC/DC converters optimizedto provide a high efficient solution to medium power systems. The devices work with a 1.4MHz fixedfrequency switching. These features minimize overall solution footprint by allowing the use of tiny,low profile ...

The PW4055 is a complete constant-current /constant-voltage linear charger for single cell lithiumion batteries.Its ThinSOT package and low external component count make the PW4055 ideallysuited for portable applications.Furthermore, the PW4055 is specifically designed to work within USBpower specif ...