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OM5193 Datasheet (PDF) - NXP Semiconductors

OM5193 Datasheet PDF - NXP Semiconductors
Part # OM5193
Download  OM5193 Download

File Size   246.96 Kbytes
Page   56 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description Disk drive spindle and VCM with servo controller

OM5193 Datasheet (PDF)

Go To PDF Page Download Datasheet
OM5193 Datasheet PDF - NXP Semiconductors

Part # OM5193
Download  OM5193 Click to download

File Size   246.96 Kbytes
Page   56 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description Disk drive spindle and VCM with servo controller

OM5193 Datasheet (HTML) - NXP Semiconductors

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OM5193 Product details

GENERAL DESCRIPTION

Overview

The OM5193H is a combination of a voice coil motor and a spindle motor driver with embedded servo controller designed for use in disk drives. Configuration and control registers are set via a 3-wire serial port running up to 30 MHz to interface commonly to a microcontroller or a digital signal processor.

The device operates at 5 and 12 V power supplies and integrates safety functions such as power stages overvoltage protection, power and temperature monitor, over-temperature shutdown and dynamic brake-after-park.

The device is contained in a QFP80 package with 18 pins connected to the leadframe thus providing low thermal resistance.



FEATURES

Servo control

• 10-bit VCM Digital-to-Analog Converter (DAC)

• 7-channel 10-bit Analog-to-Digital Converter (ADC)

• Programmable spindle commutation control logic

• 3-wire serial interface

• Two stand-alone operational amplifiers (op-amps) with outputs connected to the ADC

• Analog multiplexer with two inputs used to select VCM seek mode or track-following mode.



Motor control

SPINDLE MOTOR DRIVER

• 3-phase output motor driver

• 1.9 A maximum available start-up current

• Total Rds(on) = 0.6 Ω (typical) at 25 °C

• Back ElectroMotive Force (BEMF) processing for sensorless motor commutation

• Linear current control

• External current sense resistor

• External current control loop compensation

• Adjustable slew rate control

• Short-circuit brake

• Adjustable brake-after-park delay time.



VOICE COIL MOTOR DRIVER

• 1.5 A maximum current capability

• Total Rds(on) = 0.8 Ω (typical) at 25 °C

• Linear class AB output with low cross-over distortion delay

• Precision current control loop with external current sense resistor

• Programmable seek and track-following mode with adjustable current loop gain

• External current control loop compensation

• Precharge during brake mode

• 20 kHz current control loop bandwidth

• Parking function

• Adjustable park voltage with limiter.



Miscellaneous items

• Precision low voltage 5 and 12 V power monitor with hysteresis

• Precision internal voltage reference for servo and power control circuits

• Thermal sense circuit with over-temperature shutdown sensor

• Internal charge pump voltage generator

• Automatic brake-after-park at power-down, thermal shutdown or sleep mode

• Sleep mode: low power consumption mode.



APPLICATIONS

• 12 V hard disk drive products.



 




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About NXP Semiconductors


NXP Semiconductors is a publicly traded multinational company that designs, develops, and manufactures a wide range of semiconductors and integrated circuits for various applications, including automotive, industrial, communications, and consumer markets.
The company was founded in 2006 and is headquartered in Eindhoven, Netherlands.
NXP offers a broad portfolio of products, including microcontrollers, microprocessors, secure authentication ICs, power management ICs, RF and microwave components, and sensor solutions, among others.
The company's products are designed to be energy efficient, secure, and reliable, and are used in a variety of applications, including automotive systems, industrial automation and control, smart homes and buildings, and connected devices.
NXP is dedicated to innovation and customer satisfaction, and is committed to providing its customers with the best semiconductor solutions to meet their needs.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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