Digital controller for wireless battery charger transmitters

Features • Digital controller for Qi certified wireless power transmitters – Compliant with WPC 1.3 – Power Class 0 BPP (5 W) and EPP (15 W) – Power Tx design topologies MP-A2 and MP-A22 – Proprietary ST Super Charge extension for high power charging • SiP with uC and front end device: – AR

文件：5.48868 Mbytes 页数：96 Pages

STMICROELECTRONICS

意法半导体

ST portfolio for smartphone platforms

TYPICAL APPLICATIONS • Contactless test factory automation and after sales services • Life proof hole-less personal devices • Contactless accessories • Contactless personal equipment docking hub and data transfer KEY FEATURE • True 10-finger multi touch • High SNR, hign noise immunity •

文件：3.51257 Mbytes 页数：32 Pages

STMICROELECTRONICS

意法半导体

ST portfolio for smartphone platforms

TYPICAL APPLICATIONS • Contactless test factory automation and after sales services • Life proof hole-less personal devices • Contactless accessories • Contactless personal equipment docking hub and data transfer KEY FEATURE • True 10-finger multi touch • High SNR, hign noise immunity •

文件：3.51257 Mbytes 页数：32 Pages

STMICROELECTRONICS

意法半导体

兼容Qi的电感式无线充电器功率发射器，适用于高达100W的应用

STWBC2-HP是一款数字控制器，专用于设计符合Qi标准的无线功率发射器应用。STWBC2-HP是一种SiP（系统级封装）器件，其中包含一个STM32™微控制器和一个应用特定的前端器件。\n\n 特别是，STWBC2-HP中集成的STM32™微控制器是STM32G071。\n\n STWBC2-HP能够驱动通用Qi无线充电功率发射器的DC-DC级以及半桥或全桥逆变器功率级。它生成相关PWM信号，并通过分辨率为1.47 ns分辨率的PWM状态机控制这些信号。为此，前端器件中集成了一个40 MHz PLL和一个17步DLL。\n\n STWBC2-HP前端能够在4.1 V到24 V范围内的直流电 • 用于符合Qi标准的无线功率发射器的数字控制器 \n •符合WPC发布的Qi 1.3标准 \n •功率等级为0，通过BPP (5 W) 和EPP (15 W) 认证 \n •功率发射器设计采用MP-A2和MP-A22拓扑 \n •意法半导体扩展的专有超级充电协议，支持大功率充电 \n• 内嵌uC和前端器件的SiP： \n •ARM 32位Cortex™-M0+ CPU，频率可达64 MHz \n •3个半桥驱动器 \n •内嵌3.6 V/5 V DC-DC转换器 \n •3.3 V和1.8 V LDO \n •6 V到9 V电压倍增器 \n •Qi FSK可编程调制器 \n •集成式电流、电;

ST

意法半导体