NXP Wireless Power Transmitter Controller, 3.5V to 5.25V
NXP single-chip WPC 1.2 compliant wireless power transmitter controller, 3.5V-5.25V, 8W, HVQFN-EP. Ideal for phone & smartwatch chargers.
The NXP Wireless Power Transmitter Controller is a one-chip 5V Qi wireless transmitter designed for low-power wireless charger applications. Operating across a voltage range of 3.5V to 5.25V, this fully integrated solution includes a 5V full-bridge power stage as defined by the Wireless Power Consortium (WPC) Qi standards A5, A11, A12, and A16.
Featuring dedicated analogue ping circuitry, the controller efficiently detects devices while achieving extremely low standby power consumption. Upon recognising a Qi-compliant receiver, it safely initiates wireless power transfer while continuously monitoring for fault conditions, including overheating or interference from metal objects.
This single-chip WPC 1.2 transmitter requires very few external components, minimising both cost and board space. It offers dual-channel amplitude shift keying (ASK) demodulation, PID regulation for power drive and control, and internal 1.8V digital supply generation. Additionally, it includes LED and buzzer outputs, alongside an NTC input for external temperature monitoring and on-chip thermal protection. The power stage is safeguarded against overcurrents and overtemperature, and it features low electromagnetic interference (EMI) radiation meeting EN55022 limits.
Key Specifications
- Wireless Power Standard: WPC 1.2 Compliant
- Power Level: 8W
- Operating Voltage: 3.5V to 5.25V
- IC Case / Package: HVQFN-EP
- Number of Pins: 32
- IC Mounting: Surface Mount
- Operating Temperature: -20°C to +85°C
- Dimensions: 43 mm x 33 mm x 15 mm
- Weight: 0.3 grams
- For WPC Qi certified/compliant wireless power transmitters
- For wireless chargers for smartphones
- For wireless chargers for toys
- For wireless chargers for shavers
- Wireless Power Standard: WPC 1.2 Compliant
- Power Level: 8W
- Operating Voltage: 3.5V to 5.25V
- IC Case / Package: HVQFN-EP
- Number of Pins: 32
- IC Mounting: Surface Mount
- Special Feature: Fully integrated 5V full-bridge power stage
- Special Feature: Low EMI radiation meeting EN55022 limits
- Special Feature: Dual-channel amplitude shift keying (ASK) demodulation
- Special Feature: Internal 1.8V digital supply generation
- Special Feature: LED (x 2) and buzzer outputs
- Special Feature: NTC input for external temperature check
- Protection: Overcurrent, overtemperature, and on-chip thermal protection
- Operating Temperature Min: -20°C
- Operating Temperature Max: 85°C
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Weight: 0.3 grams
- of Pins: 32Pins
- SVHC: No SVHC (27-Jun-2024)
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