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Part Name(s) : BA7622 ROHM
ROHM Semiconductor
Description : 75Ω Driver IC with 3 internal circuits View

The BA7622F is a 75Ω Driver-IC developed for use in video equipment. It includes three 75Ω Driver circuis,two of whICh have sync-tip clamp inputs.The other Driver has a biased input terminated with a 20kΩ resistor.Each output can drive two loads (75Ω × 2).

1) Two built-in clamp circuits.
2) Simultaneous drive of Y, C and composite video signals possible.
3) Each output can drive two loads.

    Video cassette recorders, televisions and camcorders

Part Name(s) : BA6477FS BA6486FS ROHM
ROHM Semiconductor
Description : FDD spindle motor Driver View

The BA6486FS is a one-chip IC designed for driving 12V FDD spindle motors. This high-performance IC employs a 3-phase, full-wave soft switching drive system, and contains a digital servo, an index amplifier, and a power save circuit.

The compactly packaged IC reduces the number of external components required.

Part Name(s) : BD4210EKN ROHM
ROHM Semiconductor
Description : Strobe Charge Control IC View

Part Name(s) : BD9766FV ROHM
ROHM Semiconductor
Description : DC-AC Inverter Control IC View

Part Name(s) : BD7907FS ROHM
ROHM Semiconductor
Description : 6-channel Combo Driver IC View


BD7907FS is a 6-channel Driver IC that integrates all Drivers necessary for CD-ROM, and DVD-ROM systems into a single chip.  The built-in 2-channel sled motor Driver is used for the stepping motor.  Low heat operation can be achieved by applying the PWM driving system for sled and spindle motor Drivers.


1) Motor Drivers for spindle, sled (2-channel) and loading, and actuator Drivers for tracking are all

integrated into a single chip.

2) ON/OFF for each Driver, brake mode switching of spindle and stand-by mode switching can be

controlled by 2-wire serial data.  

3) Built-in triangular-wave generator

4) SSOP-A54 package

5) Built-in thermal shut-down circuit

6) Highly effICient by applying the PWM drive and Low ON resistance POWER MOSFET

7) Built-in current limit, hall bias, short brake, FG 3-phase synthesis output, and reverse protection circuit

8) Highly effICient due to the PWM drive

9) Built-in 2-channel for the stepping motor

10) Low noise due to the linear BTL Driver and smooth spin


CD-ROM, DVD-ROM, and any other equipment driven by optICal DISC

Part Name(s) : BA6109 ROHM
ROHM Semiconductor
Description : Reversible motor Driver View

Part Name(s) : BD9122GUL_05 ROHM
ROHM Semiconductor
Description : 1ch DC/DC Converter Controller IC with Built-in Synchronous Rectifier View

Part Name(s) : BA5937AFP ROHM
ROHM Semiconductor
Description : 4-channel BTL Driver for CD players View

The BA5937AFP is a 4-channel BTL Driver developed for use with CD players. In addition to internal Drivers for the focus coil, tracking coil, and sled motor, it also contains a Driver for the loading motor.

1) Perfect for compact applICations with the use of the HSOP 28-pin power package.

2) Internal thermal shutdown circuit.

3) Gain is adjustable with externally connected resistor.

Part Name(s) : BD3801FS ROHM
ROHM Semiconductor
Description : sound processor IC for car audio View


The BD3801FS is a sound processor IC for car audio applICations. High S/N and low distortion parametrIC equalizer can be constructed without external capacitor by high-performance switched capacitor filter technology. Soft switch can reduce pop noise at switching volume.


1)SlICe the external parts by using switched capacitor circuit.

2)Reduce the noise of through mode by using tone-pass route.(8μVrms)

3)Possible to realize paramentrIC equalizer using 3 band tone,and 2 band tone and loudness.

4)Built-in ground isolation amplifiter input, ideal for external stereo input and monaural input. (1 stereo input and 2 monaural input)

5)It is using a I2C BUS control. Because it is possible to use at the same time in a maximum of two.

6)BICMOS process is suitable for the design of low current (Typ.10mA) and low energy.


Car stereo, Mini component stereo, MICro component stereo, DVD, Personal computer, TV.

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