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Model: JX892 / 9929B1 Chipset
A Samsung and Apple dual-protocol 15W wireless charging reference design with broad phone compatibility, three fixed-voltage inputs, six-layer protection and open SDK support.
Technical Solution Display
This page presents technical specifications, performance, compatibility and applications. It is not an online retail listing.
Solution Overview
| Wireless charging chipset | 9929B1 |
|---|---|
| Charging architecture | Samsung + Apple dual protocol |
| Maximum wireless output | 15W |
| Compatible protocols | Samsung 15W, Apple 15W, EPP 15W, PPDE 10W, Apple 7.5W and BPP |
| Coil | Qi2 standard coil |
| Spacer height | 1 mm |
| Input protocols | PD and QC2.1 |
| Fixed-voltage input | 12V/3A, 9V/3A or 5V/3A |
| Protection | Overvoltage, undervoltage, overcurrent, overtemperature, FOD and automatic thermal power reduction |
| Development | Open SDK and offline firmware upgrade |
Engineering Reference
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A compact AP watch wireless charging reference design using the 9913 SOC, with 2.5W dynamic decoding, low temperature rise and flexible integration for single-watch and multi-device products.
A 2.5W AP watch dynamic-decoding solution using the 9913 SOC, with an integrated decoding MCU, low temperature rise and optimized half-bridge drive current.
An AP watch fast-charging reference design supporting up to 5W dynamic decoding, boost or buck input architectures, offline firmware upgrades and EMC-oriented hardware optimization.
