5W Optimized Wireless Power Receiver and Linear Charger
Features
- Fully standards compliant Qi/WPC wireless charging system
- Optimized for small coil designs with low voltage starting and up to 5W output power
- Programmable 3.2V to 5.2V LDO mode output
- Programmable current limit
- Robust fully internal overvoltage protection with precision clamping to 25V VRECT
- Multifunction GPIO with 20uA current source
- Complete and safe battery charging system
- CC (±5%), CV (±0.5%), CTJ (±10°C) CC 30mA to 600mA, CV 3mA through 120mA
- No current sense resistor; 4.35V, 4.20V
- Dead battery, Prequal, Fast CC, Fast CV, Term, Top-Off, Done, Restart, disconnect on charged
- Fault Detection, Charge Timer, JEITA NTC
- Protections: UVLO, OVP, OCP, SCP, RCP, OTP
- Internal QBAT “PowerPath” Battery Switch
- Power on/off switch with factory-ship mode
- I2C Serial Interface, Enable input, Interrupt output
- -40°C to 85°C Operating Temperature Range
- QFN-24 package, TBD bare-die or CSP option
Applications
- Earbud Cases, Mice, IoT Devices
- Accessories, Peripherals, Gadgets, Toys
- Other Battery-Powered Equipment
- No-battery systems requiring wireless power
Key Electrical Specifications
Vin (Min) |
Vin(Max) |
Package |
3.6V |
10V |
QFN-24 5×5 (5 mm x 5 mm x 0.620 mm) |
Typical Application Diagram