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    AW8697(A/B)*FCR

    The device is the high voltage H-bridge, single chip LRA haptic driver, with LRA resonant frequency detect and tracking, with an integrated boost converter and integrated waveform memory, supporting real time playback and hardware pin trigger playback. Maximum drive voltage is up to 10.5V and a typical startup time of 1.2ms makes the device an ideal haptic driver for fast responses.

    The device supports software controlled LRA resonant frequency(F0)detect, it can detect the actual F0 after LRA delivered to customer or the actual F0 after LRA mounted in the mobile.

    The device supports LRA resonant frequency tracking based on LRA BEMF. It supports automatically tracks and generates the LRA resonant frequency.

    The device supports LRA fault diagnostic based on resistance measurement.

    The device supports real time playback for long waveform play. Software trigger and hardware trigger are supported for different applications.

    The device integrates a high-efficiency boost converter as the H-Bridge driver supply rail. The output voltage, maximum current limit and maximum boost current are configurable.

    The device features configurable automatically switch to standby mode. This can less quiescent power consumption. Dedicated interrupt output pin can detect real time FIFO status and the error status of the chip.

    The device offers short circuit protection, over-temperature protection, under-voltage protection to protect the device.

    The device features general settings are communicated via an I2C-bus interface and its I2Caddress is configurable.

    The device is available in a FCQFN3mm x 2mm x 0.55mm-20Lpackage.


    產品特性

    1MHz I2C Bus Control(Address: 0x5A/0x5B) 

    LRA Resonant Frequency Detect and Tracking Option

    LRA Fault Diagnostics based on Resistance

    Drive Compensation Over Battery Discharge

    Integrated 8-KByte Internal Waveform Memory

    Up to 4-KByte Configurable FIFO Interface


    Flexible Playback Modes:

    Real Time Playback, Memory Playback, Hardware Trigger Playback and CONT Playback

    1.2ms Fast Start Up Time

    Support ≥8Ω LRA

    Up to 3 Hardware Pins Trigger Input

    Dedicated Interrupt Output Pin

    High Voltage H-Bridge Driver

    Integrated Boost Output Voltage up to 10.5V

    Support Automatically Switch to Standby Mode

    Standby Current: 8μA 

    Shutdown Current: 0.2μA 

    3Vto 5.5V Supply Voltage Range

    Short-Circuit Protection, Over-Temperature Protection, Under-Voltage Protection

    FCQFN3mm x2mm x0.55mm-20LPackage

    AW8697A included Immersion IP license

    AW8697B included Immersion IP and dedicated software license


    Datasheet

    Application note

    產品型號 文檔格式 大小 下載
    • Haptic Actuator Type
      Input Signal
      Max Output Voltage(V)
      SRAM (kB)
      CLK
      LRA Calibration
      Loading(Ω)
      Boost
      Startup Time (ms)
      Package (mm)
    • AW8697(A/B)*FCR

      I2C 3TRIG
      10.5
      8(Compression \Demopression)
      ≥6
      1.2
      FCQFN 2X3-20L
    封裝形式 引腳數 長(mm) 寬(mm) 厚(mm) 引腳間距(mm) 散熱盤 文檔下載
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