DRV2604 - 用于具有智能控制引擎的 ERM 与 LRA 的触觉驱动器

DRV2604是TI德州仪器公司的一款电机触觉驱动器产品，DRV2604是用于具有智能控制引擎的 ERM 与 LRA 的触觉驱动器，本站介绍了DRV2604的封装应用图解、特点和优点、功能等，并给出了与DRV2604相关的TI元器件型号供参考。

DRV2604 - 用于具有智能控制引擎的 ERM 与 LRA 的触觉驱动器 - 电机触觉驱动器 - 触觉驱动器 - 德州仪器

产品特性

Flexible Haptic/Vibra Driver
- LRA (Linear Resonance Actuator)
- ERM (Eccentric Rotating Mass)
I2C Controlled Digital Playback Engine
- Internal RAM for Waveform Storage
- Real-Time Playback Mode through I2C
Smart-Loop Architecture(1)
- Automatic Overdrive/Braking (ERM/LRA)
- Automatic Resonance Tracking (LRA)
- Automatic Actuator Diagnostic (ERM/LRA)
- Automatic Level Calibration (ERM/LRA)
Immersion TouchSense® 3000 Compatible
Optional PWM Input with 0% to 100% Duty Cycle Control Range
Optional Analog Input Control
Optional Hardware Trigger Pin
Efficient Output Drive
Fast Startup Time
Constant Acceleration Over Supply Voltage
1.8 V Compatible, VDD Tolerant Digital Pins (1)

(1) Patent pending control algorithm

产品应用

Mobile Phones
Tablets

产品说明

The DRV2604 device is designed to provide extremely flexible haptic control of ERM and LRA actuators over a shared I2C compatible bus. This control relieves the host processor from ever generating pulse-width modulated (PWM) drive signals, saving both costly timer interrupts and hardware pins.

The DRV2604 device includes enough integrated RAM to allow the user to pre-load over 100 customized waveforms. These waveforms can be instantly played back through I2C or optionally triggered through a hardware trigger pin. Additionally, the real-time playback mode allows the host processor to bypass the library playback engine and play waveforms directly from the host through I2C.

The DRV2604 device also contains a smart-loop architecture, which allows effortless auto resonant drive for LRA as well as feedback-optimized ERM drive. This feedback gives automatic overdrive and braking, which creates a simplified input waveform paradigm as well as reliable motor control and consistent motor performance.

The DRV2604 device features a trinary-modulated output stage, providing greater efficiency than linear-based output drivers. The 9-ball WCSP footprint, flexible operation, and low component count make the DRV2604 device the ideal choice for portable and touch-enabled vibratory and haptic applications.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (MAX)
DRV2604	DSBGA (9)	1.50 mm × 1.50 mm

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