| Voltage Type |
Boost |
| Vout (Max) (V) |
11 |
| SRAM (kB) |
8 |
| Istandby (μA) |
4 |
| IO Level (V) |
1.2
1.8
3.3 |
| AAE |
YES |
| Input Signal |
IIS
IIC
3TRIG
|
| LRA Calibration |
LCC3.0 |
| Temperature |
-40℃~85℃ |
| TikTap |
YES |
| Package (mm) |
WLCSP 2.213X1.733-20B |
1MHz I2C Bus
8-KByte Memory
8k/12k/24k/48k input wave sampling rate
F0 detect ａｎｄ tracking
Advance autobrake engine integrated
Playback mode:
Real time playback(Up to 4KByte FIFO)
Auto dynamic sine playback
Memory playback
3 Trigger playback
One wire playback
Cont playback
I2S/TDM playback
Resistance-Based LRA Diagnostics
Drive signal monitor for LRA protect
Drive Compensation Over Battery Discharge
Fast Start Up Time ＜1ms
Dedicated interrupt output pin
Boost output voltage up to 11V
VOUT=8.8V@Vbat=4.2V for 8Ω LRA
Support automatically switch to standby mode
Standby current：4uA@Vbat=4.2V
Shutdown current：0.1uA
Supply voltage range 2.7 to 5.5V
Short-Circuit Protection, Over-Temperature Protection, Under-Voltage, Battery Protection
AW86937AFCR and AW86938ACSR included Immersion IP license for mobile phones and wearables
AW86937NFCR included Immersion IP license for notebook
AW86937/ AW86938 is a high voltage H-bridge, single chip LRA haptic driver, with F0 detecting and tracking based on BEMF, with a boost converter up to 11V drive voltage inside, supporting real time playback, memory playback, and hardware pin trigged playback. A typical startup time of 1ms makes the AW86937 an ideal haptic driver for fast responses.
