2024年1月9日发(作者：溥亦旋)
TI DRV8662平板电脑单片压电触摸屏驱动解决方案
TI公司的DRV8662是集成了105V升压开关,功率和高压和低压压电触The boost voltage is set using two external resistors, and the
boost current limit is programmable via the REXT resistor. The
boost converter architecture will not allow the demand on the
摸激励器的单片压电触摸驱动器,输入信号可以是差分或单端,支持四supply current to exceed the limit set by the REXT resistor;
种GPIO控制的增益: 28.8 dB, 34.8 dB, 38.4 dB和40.7 dB,工作3.0
therefore, the DRV8662 is well-suited for portable applications.
V 到5.5 V,并具有热庇护功能,主要用在手机,手持嬉戏机,PND和.本文DRV8662主要特性:
介绍了DRV8662主要特性,功能框图,以及DRV8662EVM评估模块主要特High-Voltage Piezo Haptic Driver
性和TI公司的平板电脑和书系统方框图.
Drives up to 100 nF at 200 VPP and 300 Hz
The DRV8662 is a single-chip piezo haptic driver with integrated
Drives up to 330 nF at 100 VPP and 300 Hz
105 V boost switch, integrated power diode, and integrated
Drives up to 680 nF at 50 VPP and 300 Hz
fully-differential amplifier. This versatile device is capable
Differential Output
of driving both high-voltage and low-voltage piezo haptic
Integrated Boost Converter
actuators. The input signal can be either differential or
Adjustable Boost Voltage
single-ended. The DRV8662 supports four GPIO-controlled gains:
Adjustable Current Limit
28.8 dB, 34.8 dB, 38.4 dB, and 40.7 dB.
第 1 页 共 2 页
2024年1月9日发(作者：溥亦旋)
TI DRV8662平板电脑单片压电触摸屏驱动解决方案
TI公司的DRV8662是集成了105V升压开关,功率和高压和低压压电触The boost voltage is set using two external resistors, and the
boost current limit is programmable via the REXT resistor. The
boost converter architecture will not allow the demand on the
摸激励器的单片压电触摸驱动器,输入信号可以是差分或单端,支持四supply current to exceed the limit set by the REXT resistor;
种GPIO控制的增益: 28.8 dB, 34.8 dB, 38.4 dB和40.7 dB,工作3.0
therefore, the DRV8662 is well-suited for portable applications.
V 到5.5 V,并具有热庇护功能,主要用在手机,手持嬉戏机,PND和.本文DRV8662主要特性:
介绍了DRV8662主要特性,功能框图,以及DRV8662EVM评估模块主要特High-Voltage Piezo Haptic Driver
性和TI公司的平板电脑和书系统方框图.
Drives up to 100 nF at 200 VPP and 300 Hz
The DRV8662 is a single-chip piezo haptic driver with integrated
Drives up to 330 nF at 100 VPP and 300 Hz
105 V boost switch, integrated power diode, and integrated
Drives up to 680 nF at 50 VPP and 300 Hz
fully-differential amplifier. This versatile device is capable
Differential Output
of driving both high-voltage and low-voltage piezo haptic
Integrated Boost Converter
actuators. The input signal can be either differential or
Adjustable Boost Voltage
single-ended. The DRV8662 supports four GPIO-controlled gains:
Adjustable Current Limit
28.8 dB, 34.8 dB, 38.4 dB, and 40.7 dB.
第 1 页 共 2 页