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NXQ1TXA5 - One-chip 5V Qi wireless transmitter

Description

The NXQ1TXA5 is a controller/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

  • One-chip WPC 1.1.2 Qi-compliant device for A5/A11/A12/A16 5 V single-coil low-power transmitter.
  • Operates from 5 V supply.
  • Integrated high-efficiency full-bridge power stage with low EMI radiation meeting EN55022 radiated and conducted emission limits.
  • Very few external components required, minimizing cost and board space.
  • Extremely low-power receiver detection circuitry; standby power 10 mW (typical).
  • Power stage fully protected against overcurrents and overtemper.

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Full PDF Text Transcription

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NXQ1TXA5 One-chip 5 V Qi wireless transmitter Rev. 1.2 — 10 September 2015 Product short data sheet 1. General description The NXQ1TXA5 is a controller/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 NXQ1TXA5 uses dedicated analog ping circuitry to detect devices, according to the Qi standard, achieving extremely low standby power consumption. If a Qi-compliant receiver is detected, the NXQ1TXA5 starts to communicate with it.
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