TDA5345HT - 5 V spindle & VCM driver combo

NXP

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Datasheet Details

Part number: TDA5345HT
Manufacturer: NXP ↗
File Size: 213.53 KB
Datasheet: TDA5345HT_PhilipsSemiconductors.pdf
Description: 5 V spindle & VCM driver combo

TDA5345HT Product details

Description

TDA5345HT The TDA5345HT is a combination of a voice coil motor and a spindle motor driver, designed for 5 V high performance portable small form factor hard disk drives.Communications with the micro-controller take place through a 16-bit 3-wire uni-directional serial port.Power dissipation is a major concern in portable drives, therefore each main function can be individually put in sleep mode when it is not used, to save as much power as possible.The serial port and the power monitor are t

Features

Single chip voice coil and spindle motor drivers:.
Complementary outputs (Nmos & Pmos): No step-up converter needed.
On-chip isolation switch to allow synchronous rectification at power-down.
Suited for ramp load operation.
Register based architecture: on-chip serial interface.
Temperature shut down protection.
Linear 3.3 V regulator using one external NPN transistor.
Power monitor circuitrymonitoring the 5 V supply.

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spindle VCM driver combo NXP

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