特性
- 360nA idle power mode with full I2C control and memory retention
- Wideband LRA driver: 25Hz to 1kHz with resonant mode
- Frequency tracking support up to 300Hz
- Low-latency direct drive for haptics
- On-the-fly diagnostics
- Custom waveform sequences
- Three methods of drive with Linux and C-like driver (HAL)
- Packages:
- WLCSP-12 (0.4mm pitch)
- QFN-12 (0.65mm pitch)
描述
The DA7280 high-definition (HD) haptic driver combines custom drive sequences, on- and off-resonance, at up to 1kHz. The DA7280 can drive both ERM and LRA (narrow and wideband) actuators and track resonance up to 300Hz to drive the most complex click/vibration touch effects in a wide range of applications.
The DA7280 combines very low idle current consumption (360nA) with low-latency trigger inputs to minimize the delay after button presses when an application process is in deep sleep.
Benefits
- Constant resonance frequency tracking through continuous current drive monitoring
- Ultra-low power consumption means longer battery life
- Only 0.75ms latency when responding from ultra-low power state
- Drives LRAs off-resonance for custom effects, or dual-resonant systems for two-dimensional vibration
- Enables wide-band effects as well as supporting dual-resonant systems
- Drives distinct haptic effects triggered by multiple inputs without the need to wake the apps processor
- Detects issues with motor automatically
- Frequency, time, amplitude triplets to program the waveform
- Quick and easy software development using the SmartCanvas™ GUI
产品参数
| 属性 | 值 |
|---|---|
| Target applications | Smartphones, Gaming, Wearables, Automotive, Personal Medical, Touch Displays, Industrial Human-Machine Interfaces |
应用方框图
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一款低功耗可穿戴设备，能够检测中暑风险，提醒用户尽早采取行动。
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门禁系统，具有 NFC、摄像头和电容式触摸身份验证功能
门禁系统通过 NFC、Wi-Fi、PoE、本地存储和灵活的操作系统支持确保安全性。
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超低功耗宠物追踪器，支持 Wi-Fi、GPS、LTE、低功耗蓝牙
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配备语音与显示界面的智能 HMI 系统
搭载 32 位 MCU 的智能 HMI 系统支持 GUI、语音输入/输出、IoT 连接与快速开发工具。
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多功能无线电钻，带电线检测功能
带有 IoT 的无线电钻设计可实现电线检测、蓝牙控制、角度调节和增强的可见性。
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超低功耗 Wi-Fi 和低功耗蓝牙智能锁
低功耗智能锁系统，支持指纹识别，实现安全的无线控制。
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其他应用
- Smartphone
- Gaming
- Wearables
- Portable computing systems (POS, barcode scanners, etc.)
- Computing – All-in-ones (display), notebook PCs
- Any display driven consumer product
- Automotive
- Industrial
- Medical