概览

简介

此真无线立体声 (TWS) 和助听器耳塞充电底座/充电盒解决方案集成了 USB-C、USB-A 和带高度优化的 TWS 充电器电源管理 IC (PMIC) 的无线电源输入路径。

该充电器 PMIC 将 具备逆向升压功能的DC/DC 降压充电器以及两个独立控制的 LDO 相结合,为耳塞提供单独控制的电压。 此解决方案还支持选配基于 UART 的电力线通信 (PLC) 功能,以控制所需的充电电压并传输 SoC/SoH 信息等。

系统优势:

  • 高度集成的解决方案,仅需很少的离散器件
  • 支持 USB BC1.2
  • PLC 减少了底座和耳塞之间的引脚数量
  • 支持最高 2A 的电池充电
  • 逆向升压能力高达 700mA
  • 充电器 PMIC 在运输模式下漏电量仅 0.1µA
  • 可选配蓝牙低功耗连接​

产品对比

应用

应用

  • 真无线立体声 (TWS) 充电底座
  • 助听器充电底座
  • 可穿戴式和远程传感器充电底座

成功产品组合交互框图

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4:3 ratio Sheet.220 Sheet.1 Sheet.2 Sheet.3 Sheet.4 EU089 EU089 EU089 Inductor Iron Core Line.841 Inductor Air Core.212 Sheet.17 Sheet.18 Sheet.19 Sheet.20 Sheet.21 Sheet.22 Sheet.23 Sheet.24 Sheet.25 Line.29 Inductor Iron Core.27 Line.841 Inductor Air Core.212 Sheet.30 Sheet.31 Sheet.32 Sheet.33 Sheet.34 Sheet.35 Sheet.36 Sheet.37 Sheet.38 Line.29 Shunt Sheet.61 Sheet.62 Sheet.63 Sheet.65 Sheet.66 Sheet.67 Sheet.69 Sheet.76 Label Text 10pt.254 + + Label Text 10pt.255 - - Sheet.79 Line 1pt.1552 Line 1pt.1583 Sheet.82 Sheet.109 Sheet.110 Darlington.111 Sheet.112 Sheet.113 Darlington.254 Sheet.115 Sheet.116 Darlington.254 Sheet.118 Sheet.119 Sheet.120 Non-Electric Cap Sheet.135 Sheet.136 Sheet.137 Sheet.138 Sheet.139 USB-C USB-C USB-C USB-C Sheet.142 Sheet.143 Sheet.144 Sheet.145 Sheet.146 Sheet.147 Sheet.148 Sheet.149 Sheet.150 Sheet.151 Sheet.152 Sheet.153 Sheet.154 Inductor Coreless (Air conductor) Sheet.170 Sheet.171 Sheet.172 Sheet.173 Sheet.174 Sheet.175 Sheet.176 Sheet.177 Sheet.178 USB2 Sheet.182 DP/DM DP/DM DP/DM Sheet.187 Sheet.188 Sheet.189 Sheet.190 VBUS VBUS VBUS Sheet.192 5V (5W) 5V (5W) 5V (5W) Optional Optional Optional Sheet.195 Sheet.196 Sheet.197 Sheet.198 Sheet.199 Sheet.201 Sheet.202 Sheet.203 Sheet.204 Sheet.207 Sheet.208 Sheet.211 Sheet.212 Sheet.213 Connector 1 Sheet.215 Sheet.216 Connector 1.217 Sheet.219 Sheet.221 Sheet.229 Sheet.230 Sheet.231 Wakeup Wakeup Wakeup Sheet.233 Sheet.234 Sheet.235 Sheet.236 Sheet.237 Sheet.238 Sheet.239 Sheet.240 Sheet.241 Sheet.243 Sheet.85 Sheet.86 Sheet.242 VBAT VBAT VBAT Sheet.253 Sheet.254 Sheet.256 Sheet.257 Sheet.258 Sheet.259 Sheet.260 Sheet.261 Sheet.262 Sheet.263 Connector 1.264 Sheet.265 RX/TX RX/TX RX/TX Vsys/VBAT Vsys/ VBAT Vsys/VBAT Ch1/2 Ch1/2 Ch1/2 Earbuds Earbuds Earbuds Connector 1.270 Connector 1.271 Optional Optional Optional Sheet.273 Sheet.274 Connector 1.275 Sheet.277 Sheet.278 Darlington.131 Sheet.280 Sheet.281 Darlington.254 Sheet.283 Sheet.284 Darlington.254 Sheet.287 Sheet.288 Darlington.289 Sheet.290 Sheet.291 Darlington.254 Sheet.293 Sheet.294 Darlington.254 Sheet.297 Sheet.298 Darlington.299 Sheet.300 Sheet.301 Darlington.254 Sheet.303 Sheet.304 Darlington.254 DP/DM.306 USB2 USB2 MCU 16bit MCU 16bit MCU 16bit MCU 16bit USB2.0 BC1.2 USB2.0 BC1.2 USB2.0 BC1.2 GPIOs GPIOs GPIOs I2C Master I2C Master I2C Master GPIOs GPIOs GPIOs ADC ADC ADC UART UART UART Charger PMIC wth Boost + LDO Charger PMIC with Boost + 2x LDO Charger PMIC with Boost + 2x LDO Charger PMIC with Boost + 2x LDO Vsys Vsys Vsys I2C I2C I2C RIN/N RIN/N RIN/N Boost Boost Boost LDO LDO LDO LDO LDO LDO Buck Charger Buck Charger Buck Charger Vin Vin Vin Dual Input Single Output Mux Dual Input Single Output Mux Dual Input Single Output Mux Bluetooth Low Energy Bluetooth Low Energy Bluetooth Low Energy DC/DC Buck DC/DC Buck DC/DC Buck DC-PLC DC-PLC DC-PLC Wireless Power RX Wireless Power RX (WPC/Qi) Wireless Power RX (WPC/Qi) Wireless Power RX (WPC/Qi) I2C I2C I2C
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