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Part Name(s) : BA6301 BA6301F BA6321 ROHM
ROHM Semiconductor
Description : FG system speed Servo controller View

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.


Part Name(s) : MPM1141ASG MPM1141BSG MPM1141CSJ MPM1141DSJ MPM1142ASG MPM1142BSG MPM1142CSJ MPM1142DSJ MPM1143ASG MPM1143BSG ETC
Unspecified
Description : MaxPlus Brushless Rotary Servo Motors View

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.


Part Name(s) : ML4423 ML4423CP ML4423CS ML4423IP ML4423IS Micro-Linear
Micro Linear Corporation
Description : 1, 2, or 3-Phase Variable Speed AC Motor Controller View

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

Part Name(s) : BA6302A BA6302AF BA6303 BA6303F ROHM
ROHM Semiconductor
Description : FG system speed Servo controller View

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



Part Name(s) : BA6238A-E2 BA6238AFP-Y BA6238AFP-Y-E2 BA6238AN-E2 BA6239 BA6239-E2 BA6239FP-Y BA6239FP-Y-E2 BA6239N BA6239N-E2 ROHM
ROHM Semiconductor
Description : For brush motors Reversible motor drivers (for two motors series) View

Overview

The reversible motor driver for output 1.0A or more for two motors drives a brush motor and incorporates one and a half circuits of reversible motor driver. In addition, since the output section can control voltage applied to motors by output high voltage setting pin, the torque at the time of driving motors can be varied.



Features

1) Built-in one and a half circuits of a reversible motor driver

2) Minimal external components

3) Output voltage can be optionally set by reference voltage setting pin

4) Built-in thermal shutdown circuit



Applications

  Audio-visual equipment; PC peripherals; Car audios; Car navigation systems; OA equipments



 


Part Name(s) : LA9247T SANYO
SANYO -> Panasonic
Description : CD-ROM Digital Servo RF IC View

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.

Part Name(s) : M25E-6 Mitsumi
Mitsumi
Description : DC Mini-Motors View

DC Mini-Motors



Applications

Tonometer pump.


Part Name(s) : TDA1154 ST-Microelectronics
STMicroelectronics
Description : SPEED REGULATOR FOR DC MOTORS View

DESCRIPTION

The TDA1154 is a monolithic integrated circuit in tended for speed regulation of permanent magnet dc motors used in record players, tape recorders, cassette recorders and toys. The circuitoffers an excellentspeed regulation with much higher power supply, temperature and load variations than conventional circuits built around discrete components.



MATCHING FLEXIBILITY TO MOTORS WITH VARIOUS CHARACTERISTICS

BUILT-IN CURRENT LIMIT

ON-CHIP 1.2V REFERENCE VOLTAGE

STARTING CURRENT: 0.5 A @ 2.5V

REFLECTION COEFFICIENT K = 20


Part Name(s) : CXA1372BQ CXA1372BS Sony
Sony Semiconductor
Description : RF Signal Processing Servo Amplifier for CD Player View

Description

The CXA1372BQ/BS is a bipolar IC developed for RF signal processing (focus OK, mirror, defect detection, EFM comparator) and various Servo control.



Features

• Dual ±5V and single 5V power supplies

• Low power consumption

• Fewer external parts

• Disc defect countermeasure circuit

• Fully compatible with the CXA1182 for microcomputer software



Functions

• Auto asymmetry control

• Focus OK detection circuit

• Mirror detection circuit

• Defect detection, countermeasure circuit

• EFM comparator

• Focus Servo control

• Tracking Servo control

• Sled Servo control



Structure

  Bipolar silicon monolithic IC



 


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