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部品番号(s) : BA6301 BA6301F BA6321
ROHM
ROHM Semiconductor
コンポーネント説明 : FG system speed Servo controller

The BA6301, BA6301F, and BA6321 are single package Servo control ICs suitable for controlling the speed of VCR motors. The ICs contain an F / V conversion section for speed control, a hysteresis amplifier section for waveform shaping, and an MIX amplifier section for speed / phase control output. They are compatible with either phase lagging or phase leading Servo by setting the MIX system according to the phase Servo control and MDA. They provide stable and efficient operation with either 5, 9, or 12V supply voltage. Motor speed can be controlled precisely at different levels with an FG program counter.





Applications

Speed control of capstan motors, drum head motors, reel motors, cassette players, and record players



Features

1) Motor speed can be controlled by an FG programcounter.

2) S / H type F / V converter allows Servo control of various FG frequencies (BA6301 / F or BA6321 is used for fCgreater or less than 600Hz, respectively)

3) Quick and precise motor starting.

4) Low current dissipation.

5) Wide range of operating voltage.

6) Limited number of external components.


コンポーネント説明 : MaxPlus Brushless Rotary Servo Motors

The MaxPlus family is redefining performance, flexibility and reliability, with the industry’s broadest range of brushless Servo motors – from 1 1/2” to 12” (40 mm to 320 mm). Each unit delivers more performance in a smaller package for less cost.



What’s more, the reliability of MaxPlus Series motors is becoming legendary in demanding applications. Our rugged construction and industry-leading performance features give you an unbeatable price/performance/cost of ownership combination.


部品番号(s) : E910.71
ELMOS
ELMOS Semiconductor AG
コンポーネント説明 : Sensorless position control of DC-motors, with drivers

DESCRIPTION
The IC features 6 configurable half bridges to drives up to 3 DC motors simultaneously or up to 5 motors sequentially. 3 independent pulse detection circuits convert the commutation current of the motors into countable digital signals for positioning especially of HVAC flap actuators.

FEATURES
► 6 Half Bridges configurable to drive 3, 4, or 5 DC Motors
► Half Bridges not needed for Motor Control may drive other kinds of loads
► Output Current max. 400 mA per Half Bridge
► Three independend Pulse Detectors and Counters
Servo Control Positioning of Actuators
► Excellent Positioning Performance
► SPI for communication with µC
► Short Circuit Protection
► Over Temperature Protection
► Battery Supply and 5V Monitor
► Diagnostic Data via SPI
► QFN 7 * 7 32 package

APPLICATION
► Positioning of HVAC Flaps (according to US patent 5,203,499 owned by BHTC)

Micro-Linear
Micro Linear Corporation
コンポーネント説明 : 1, 2, or 3-Phase Variable Speed AC Motor Controller

GENERAL DESCRIPTION
The ML4423 provides the PWM sinewave drive signals necessary for controlling three phase AC induction motors as well as single and two phase split capacitor AC induction motors.

FEATURES
■ Drives single, two, and three phase AC motors
■ Greater than 10:1 variable speed control range
■ Constant V/F ratio with programmable end points
■ Reverse capability for two and three phase motors
■ Low distortion PWM sinewave drive
■ Eliminates run capacitors in PSC motors
■ Coast function for quick power disable
■ Low cost interface for various gate drivers
■ PWM current limit, undervoltage lockout, and programmable deadtime
■ 12V –20% operation with onboard 8V reference

部品番号(s) : CXA1082BQ CXA1082BS
Sony
Sony Semiconductor
コンポーネント説明 : Servo Signal Processor for CD Player

Description
CXA1082BQ/BS is a bipolar IC designed for the Servo control of the compact disc player. The only difference from CXA1082AQ/AS is the FZC threshold.

Functions
● Focus Servo control
● Tracking Servo control
● Sled Servo control
● Spindle Servo
   LPF, drive amplifier
● EFM clock reproduction PLL
   Loop filter, 8.64 MHz VCO
● Auto sequencer
   Built-in RAM

ROHM
ROHM Semiconductor
コンポーネント説明 : FG system speed Servo controller

The BA6302A/AF and BA6303/F are FG-system Servo control ICs suitable for controlling the speed of VCR motors. They contain a hysteresis FG amplifier section, an S / H system F / V conversion section, an error amplifier section, and an inverter section. Motor speed can be set with a high degree of freedom by an external CR. The start-up circuit allows quick and precise motor starting. Motor speed can be controlled precisely at different levels by installing an FG program counter between the FG amplifier output and the F / V conversion input.



Features

1) S / H system F / V converter allows speed setting with a stable external CR.

2) High hysteresis FG amplifier with high noise resistance.

3) Start-up circuit allows quick and precise motor starting.

4) Motor speed can be controlled at different levels by installing an FG program counter.

5) Low current dissipation. (VCC=9V, IQ=2.3mA Typ.)

6) Stable operation with either 5, 9, or 12V supply voltage.

7) Two versatile inverters are built in.



Applications

Speed control of various motors including capstan motors, drum head motors, and reel motors


部品番号(s) : M62475FP
Mitsubishi
MITSUBISHI ELECTRIC
コンポーネント説明 : AUTOMATIC ADJUSTMENT CD PREAMPLIFIER Servo CONTROLLER

DESCRIPTION
The M62475FP is an IC that contains preamplifier/Servo amplifier necessary for optical pickup Servo
control for CD player.
This IC also supports automatic adjustment with microcomputer control.

FEATURES
■ Pickup Servo control can consist of the M62475FP only
■ Supporting 3-beam system
■ Built-in serial data command interface with MCU to reduce load on MCU
■ Built-in circuit for automatically adjusting tracking balance, tracking/focus gain
■ Built-in internal self reset circuit

部品番号(s) : M62475FP
Renesas
Renesas Electronics
コンポーネント説明 : AUTOMATIC ADJUSTMENT CD PREAMPLIFIER Servo CONTROLLER

DESCRIPTION
The M62475FP is an IC that contains preamplifier/Servo amplifier necessary for optical pickup Servo
control for CD player.
This IC also supports automatic adjustment with microcomputer control.

FEATURES
■ Pickup Servo control can consist of the M62475FP only
■ Supporting 3-beam system
■ Built-in serial data command interface with MCU to reduce load on MCU
■ Built-in circuit for automatically adjusting tracking balance, tracking/focus gain
■ Built-in internal self reset circuit

部品番号(s) : BA6825 BA6825FS BA6826FS
ROHM
ROHM Semiconductor
コンポーネント説明 : 2-phase motor driver for VCR cylinder motors

2-phase motor driver for VCR cylinder motors

The BA6825FS and BA6826FS are direct-drive motor drivers suitable for 2-phase, full-wave linear motors. They consist of a Hall amplifier control circuit and driver circuits.

Features
1) Linear drive system provides low switching noise.
2) Constant supply voltage pin for hall devices.
3) High ratio of output current against control current. (4000 Typ.)
4) Available in compact surface-mount packages.

Applications
VCR cylinder motors

部品番号(s) : LA9247T
SANYO
SANYO -> Panasonic
コンポーネント説明 : CD-ROM Digital Servo RF IC

Overview
The LA9247T is a CD-ROM digital Servo RF IC that supports speeds up to 52×.

Functions
• RF amplifier (with AGC), RF gain amplifier (supports playback of CD-RW discs).
• RF equalizer circuit (with 7 modes), RF hold function.
• PH/BH detection, FE amplifier, REFL amplifier, TE amplifier.
Servo signal VCA circuit (balance adjustment, SGC adjustment), midpoint Servo (CSS) amplifier.
• APC circuit (with laser power amplifier function), sleep function.

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