Datasheet > FAH4830

FAH4830

更新时间： 2024-10-28 12:51:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器
页数	文件大小	规格书
15页	604K
描述
Haptic Driver for DC Motors (ERMs) and Linear Resonant Actuators (LRAs)

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FAH4830 数据手册

January 2013

FAH4830

Haptic Driver for DC Motors (ERMs) and Linear

Resonant Actuators (LRAs)

Description

Features

The FAH4830 is a high-performance enhanced haptic

drive for mobile phone and other hand-held devices.

The haptic driver takes a single-ended PWM input

signal to control a DC motor. It can drive both Eccentric

Rotating Mass (ERM) and Linear Resonant Actuator

(LRA) motors. The device utilizes an external 10 kHz to

50 kHz PWM signal capable of meeting the wide range

of resonant frequencies.

Direct Drive of ERM and LRA Motors

External PWM Input (10 kHz to 50 kHz)

External Motor Enable/Disable Input

Internal Mode-Select Register: ERM or LRA

Low Standby Current: <500 nA

Fast Wake-up Time

The FAH4830 has its own register maps accessible via

I²C serial communication. A gain control setting can be

used to help prevent PWM noise from getting into the

motor and to control the maximum output voltage on the

motor. For ERM motors, the over-drive control block is

designed to control the inertial momentum of the motor.

Nearly Rail-to-Rail Output Swing

Over Driving Motor Control

Under-Voltage, Over-Current, and Over-

Temperature Protections

Settable Filter and External Gain Control

Package: 10-Lead MLP

Applications

Mobile Phones

Handheld Devices

Any Key-Pad Interface

Related Resources

AN-5067 — PCB Land Pattern Design and Surface-

Mount Guidelines for MLP Packages

Figure 1.

Block Diagram

Ordering Information

Part Number

Operating Temperature Range

Package

Packing Method

10-Lead, Dual, JEDEC MO-229,

3mm Square, Molded Leadless

Package (MLP)

3000 Units on

Tape & Reel

FAH4830MPX

-40°C to +85°C

FAH4830 • 1.0.1

www.fairchildsemi.com

12 3 4 5 6 7...15

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