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NXQ1TXH5 - wireless transmitter

Description

The NXQ1TXH5 is a controller and driver IC for a 5 V Qi-certified/compliant low-power wireless charger.

It offers a fully integrated solution that includes a 5 V full-bridge power stage, as defined in Wireless Power Consortium (WPC) 5 V Qi standards A5, A11, A12 and A16.

Features

  • Single-chip WPC 1.2 transmitter.
  • Operates from 5 V supply.
  • Low EMI radiation meeting EN55022 radiated and conducted emission limits.
  • Very few external components needed, minimizing cost and board space.
  • Extremely low-power receiver detection circuitry by integrating an analog ping circuit; standby (wait state) power 10 mW (typical).
  • Power stage protected against overcurrents and overtemperature.
  • Dual-channel Amplitude Shift Keying (ASK) demodulation.
  • Demo.

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Full PDF Text Transcription

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NXQ1TXH5 One-chip 5 V Qi wireless transmitter Rev. 1.1 — 4 March 2016 Product short data sheet 1. General description The NXQ1TXH5 is a controller and driver IC for a 5 V Qi-certified/compliant low-power wireless charger. It offers a fully integrated solution that includes a 5 V full-bridge power stage, as defined in Wireless Power Consortium (WPC) 5 V Qi standards A5, A11, A12 and A16. The NXQ1TXH5 uses a dedicated analog ping circuitry to detect devices. With the analog pin circuitry, an extremely low standby (wait state) power consumption is achieved. When a Qi-compliant receiver is placed, the NXQ1TXH5 starts to communicate with it.
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