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NXQ1TXL5 - compliant transmitter

Description

The NXQ1TXL5 is a controller and driver IC for a low-cost 5 V Qi-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 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 by integrating an analog ping circuit; standby (wait state) power 10 mW (typical).
  • Power stage pro.

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Full PDF Text Transcription

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NXQ1TXL5 Low-cost one-chip 5 V Qi compliant transmitter Rev. 1 — 8 April 2016 Product short data sheet 1. General description The NXQ1TXL5 is a controller and driver IC for a low-cost 5 V Qi-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 NXQ1TXL5 uses a dedicated analog ping circuitry to detect devices. With this analog ping circuitry, an extremely low standby (wait state) power consumption is achieved. When a Qi-compliant receiver is placed, the NXQ1TXL5 starts to communicate with it. After the receiver is recognized, it safely initiates wireless power transfer from the transmitter to the receiver.
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