Datasheet > DRV8662

DRV8662

更新时间： 2024-11-26 09:55:39

品牌	Logo	应用领域
德州仪器 - TI		驱动器转换器升压转换器
页数	文件大小	规格书
2页	50K
描述
Piezo Haptic Driver with Integrated Boost Converter

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中文翻译

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DRV8662 数据手册

DRV8662

www.ti.com

SLOS737 –JUNE 2011

Piezo Haptic Driver with Integrated Boost Converter

Check for Samples: DRV8662

FEATURES

DESCRIPTION

The DRV8662 is a single-chip piezo haptic driver with

integrated 105 V boost switch, integrated power

diode, and integrated fully-differential amplifier. This

versatile device is capable of driving both

high-voltage and low-voltage piezo haptic actuators.

The input signal can be either differential or

•

High-Voltage Piezo Haptic Driver

–

Drives up to 100 nF at 200 V_PPand 300 Hz

Drives up to 330 nF at 100 V_PPand 300 Hz

Drives up to 680 nF at 50 V_PPand 300 Hz

Differential Output

single-ended.

The

DRV8662

supports

four

•

Integrated Boost Converter

GPIO-controlled gains: 28.8 dB, 34.8 dB, 38.4 dB,

and 40.7 dB.

–

Adjustable Boost Voltage

Adjustable Current Limit

Integrated Power FET and Diode

No Transformer Required

The boost voltage is set using two external resistors,

and the boost current limit is programmable via the

R_EXTresistor. The boost converter architecture will

not allow the demand on the supply current to exceed

the limit set by the R_EXTresistor; therefore, the

DRV8662 is well-suited for portable applications. This

feature also allows the user to optimize the DRV8662

circuit for a given inductor based on the desired

performance requirements.

•

Fast Start Up Time of 1.5 ms

Wide Supply Voltage Range of 3.0 V to 5.5 V

1.8 V Compatible Digital Pins

Thermal Protection

Available in a 4 mm × 4 mm × 0.9 mm QFN

package (RGP)

A typical start-up time of 1.5 ms makes the DRV8662

an ideal piezo driver for fast haptic responses.

Thermal overload protection prevents the device from

being damaged when overdriven.

APPLICATIONS

•

Mobile Phones

Portable Gaming

Portable Navigation Devices

Tablet Devices

VBAT

C_BOOST

Boost

Converter

C_PUMP

R_EXT

DRV8662

IN+

IN-

Piezo

Actuator

Gain

–

GAIN0

GAIN1

For more information, please contact your local TI sales representative.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

中文翻译

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DRV8662 替代型号

型号	品牌	替代类型	描述	数据表
TSC2004	TI	功能相似	12 位、毫微功耗、4 线触摸屏控制器
DRV2604	TI	功能相似	Haptic Driver for ERM and LRA with Internal Memory and Smart Loop Architecture
TSC2006	TI	功能相似	1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH

与DRV8662相关器件

型号	品牌	获取价格	描述	数据表
DRV8662_12	TI	获取价格	Piezo Haptic Driver with Integrated Boost Converter
DRV8662RGPR	TI	获取价格	Piezo Haptic Driver with Integrated Boost Converter
DRV8662RGPT	TI	获取价格	Piezo Haptic Driver with Integrated Boost Converter
DRV8701	TI	获取价格	DRV8701 Brushed DC Motor Full-Bridge Gate Driver
DRV8701_15	TI	获取价格	DRV8701 Brushed DC Motor Full-Bridge Gate Driver
DRV8701ERGER	TI	获取价格	DRV8701 Brushed DC Motor Full-Bridge Gate Driver
DRV8701ERGET	TI	获取价格	DRV8701 Brushed DC Motor Full-Bridge Gate Driver
DRV8701PRGER	TI	获取价格	DRV8701 Brushed DC Motor Full-Bridge Gate Driver
DRV8701PRGET	TI	获取价格	DRV8701 Brushed DC Motor Full-Bridge Gate Driver
DRV8702D-Q1	TI	获取价格	汽车类 47V、半桥智能栅极驱动器

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