特性
1MHz I2C 总线
集成 4K SRAM
支持8k/12k/24k/48k 输入波形采样率
支持F0 检测与跟踪
内置高级自动刹车引擎
播放模式:
实时播放
RAM播放
触发播放
Cont自动追踪F0播放
Tiktap Engine播放
基于电阻的 LRA 诊断
驱动信号监测以保护 LRA
电池放电期间的驱动补偿
快速启动时间:0.2ms
专用中断输出引脚
支持自动切换至待机模式
VDD:供电电压范围 1.8V ~ 5.5V
DVDD:供电电压范围 1.7V ~ 5.5V
待机电流 4μA@DVDD=1.8V 0.5μA@VDD=4.2V
短路保护、过温保护、欠压保护
支持 LCC3.0(LRA 振动一致性校准)
AW8625XA(注 1)包含用于手机/可穿戴设备/家用电器/家用电子设备的 Immersion IP 授权
说明
AW8625X is a low cost H-bridge, single chip LRA haptic driver, with F0 detecting and tracking based on BEMF, supporting real time playback, memory playback, Cont playback, and hardware pin trigged playback with fast start up time. All these make the AW8625X an ideal candidate for haptic driver.
AW8625X integrates a 4KByte SRAM for user-defined waveforms to achieve a variety of vibration experiences, supporting 4 sampling rate(8k/12k/24k/48k) of waveforms loaded in SRAM, supporting output waveform sampling rate up-sampling to 48k.
AW8625X integrates an autobrake engine to suppress the aftershocks to zero for different drive waveforms (short or long) on different LRA motors.
AW8625X supports LRA fault diagnostic based on resistance measurement and protections of short-circuit, over-temperature and under-voltage.
AW8625X features configurable automatically switch to standby mode after haptic waveform playback finished. This can decrease quiescent power consumption. Interrupt output pin can detect real time FIFO status and the error status of the chip.
AW8625X features general settings are communicated via an I2C-bus interface. AW86253 I2C address(7-bit) can be configured as 0x58/0x59/0x5A/0x5B through the AD pin. AW86254 I2C address(7-bit) is 0x58 and cannot be modified.