MAX20357A
推荐用于新设计Power Line Communication with ModelGauge Fuel Gauge and Charger
- 产品模型
- 1
概述
- Power Line Communication (PLC) Interface
- 100kpbs System Throughput
- 167.7kpbs Bit Rate
- 200mA Dual-Slave and 400mA Mono-Slave Output Charging Current
- Automatic Earbud Insertion/Removal Detection
- 4Mbaud, Half-Duplex, Data-Only UART Mode
- PLC Controllable GPIOs, Reset and Shipping Mode
- High-Efficiency Autonomous Charging System
- 90% End-to-End Charging Efficiency from Master to Slave Battery
- 400mA Integrated Linear Charger
- Optimized Charging Efficiency by Automatic DVS Negotiation between Master and Slave
- Robust PLC Output Protection Features
- Highly Flexible Moisture Detection Block
- Input Current Limiting
- 8kV Contact ESD Protection
- Small Solution Size
- Low External Component Count
- 2.69mm x 2.69mm, 36-Bump, 0.4mm Pitch Wafer-Level Package (WLP)
The MAX20357A is a power line communication (PLC) slave with ModelGauge™ m5 EZ fuel gauge and charger. With the MAX20355A, the MAX20357A provides a complete system solution for charging and data transfer between a charging case and a battery-powered device over a single contact.
The PLC interface is capable of 100kpbs throughput while simultaneously providing 200mA of charging/system current per channel. A 4Mbaud half-duplex data-only UART mode provides an easy and fast method for firmware updates, debugging interface, and factory modes.
The charger on slave device MAX20357A controls the output of the 3.3W buck-boost converter in the MAX20355A with dynamic voltage scaling (DVS).
The MAX20357A integrates an ultra-low power fuel gauge which implements the ModelGauge m5 algorithm. The IC monitors a single-cell battery pack and supports internal current sensing.
Additional features include comprehensive master device insertion and removal notifications, moisture detection, overcurrent protection, and 8kV contact-rated ESD protection on the PLC output.
APPLICATIONS
- True Wireless Stereo Headphones
- Augmented Reality Glasses
- Wearable Devices
参考资料
数据手册 1
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| 产品型号 | 引脚/封装图-中文版 | 文档 | CAD 符号，脚注和 3D模型 |
|---|---|---|---|
| MAX20357AEWX+T | WLCSP |
| 产品型号 | 产品生命周期 | PCN |
|---|---|---|
|
2月 21, 2025 - 2452N ASSEMBLY |
||
| MAX20357AEWX+T | 量产 | |
这是最新版本的数据手册
软件资源
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