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)
- Package: WFQFN-12 (3x3mm)
- 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
描述
The DA7280-A high-definition (HD) haptic driver combines custom drive sequences, on- and off-resonance, at up to 1kHz. The DA7280-A 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-A 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.
This product is AEC-Q100 Grade 2 qualified and is perfect for being deployed in automotive applications where haptic feedback is required. DA7280-A comes in a 12-pin Wettable flank QFN (3x3mm).
产品参数
| 属性 | 值 |
|---|---|
| Target applications | Automotive, Industrial |
封装选项
| Pkg. Type | Pkg. Dimensions (mm) |
|---|---|
| 12-WFQFN | 3 x 3 |
应用方框图
 | 离手检测（HOD）和转向开关系统 自主驾驶转向系统，具有离手检测、加热和触摸交互功能。 |
 | 稳健耐用的 CAN FD 操作触摸屏 可靠的 HMI 触控面板，具有 CAN FD、触觉反馈和 NFC，适用于电动自行车、电梯和工业。 |
 | 经济高效型汽车触觉触摸键模块，大大提升驾驶员安全 具有触觉反馈的触摸界面可提高汽车内部安全性和用户体验。 |
 | 支持触觉反馈的汽车座舱系统 先进的座舱系统，配备新一代触觉反馈技术、BroadLED 驱动器和 PMIC。 |
其他应用
- Automotive
- Industrial
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