HXN-Xh，HX-XK干电池升压芯片，PW5200A和PW5200C芯片

The PW2053 is a high-efficiency monolithic synchronous buck regulator using a constant
frequency

PW1555 is a programmable current limit switch with input voltage range selection and output
voltage

网上找了很久都找不到的 XT60 3D模型 ，在画电路板的时候装上这个3D模型，能更直观的看到板子元器件之间的间距

PW6566 系列是使用 CMOS 技术开发的低压差，高精度 输出电压，低消耗电流正电压型电压稳
压器。由于内置有低通态电阻晶体管，因而压差低，能够获得较大的输出电流。

The PW5410A is a low noise, constant frequency (1.2MHz) switched capacitor voltage doubler.

The PW5300 is a current mode boost DC-DC converter.

PW5100 是一款高效率、低功耗、低纹波、高工作频率的 PFM 同步升压 DC/DC 变换器。

The PW4556 series of devices are highly integrated Li-Ion and Li-Pol linear chargers targeted

The PW4554 is a cost-effective, fully integrated high input voltage single-cell Li-ion battery charger

PW4203 is a 4.5-22V input, 2A multi-cell synchronous Buck Li-Ion battery charger, suitable for