JD3-4532-CC PDF – 30mm, DC Motor – Transmotec

Part Number: JD3-4532-CC

Function: 30mm, DC Motor

Manufacturer: Transmotec ( https://www.transmotec.com/ )

Images:

JD3-4532-CC PDF Datasheet DC Motor

Description

JD3-4532-CC is DC Motor. A DC motor, short for Direct Current motor, is an electrical machine that converts electrical energy into mechanical motion. It operates on the principle of the interaction between a magnetic field and electric current to generate rotational movement.

When a voltage is applied to the DC motor, current flows through the armature coil, and the interaction between the armature’s magnetic field and the magnetic field from the permanent magnets or field windings causes the armature to rotate. The commutator ensures that the current direction in the armature coil changes as it rotates, keeping the motor turning in the same direction.

DC motors are widely used in various applications, ranging from small electronic devices, such as toys and appliances, to larger industrial equipment, like electric vehicles, robots, and machine tools. They offer advantages such as simplicity, ease of speed control, and good torque characteristics.

Specifications:

1. Diameter (mm): 30

2. Lenth (mm): 46.6

3. Nominal voltage (V): 9.6

4. Nominal speed (rpm):16800

5. Nominal torque (mNm): 23.9

6. Nominal current:5.6A

7. No load speed (rpm):20000

8. No load current: 0.80A

9. Stall torque (mNm):162.9

10. Starting current (A): 36.4

11. Output (W):39

12. Efficiency (%): 72

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JD3-4532-CC PDF Datasheet

BD7789RFS PDF Datasheet – System Motor Driver IC

Part Number: BD7789RFS

Function: System Motor Driver IC for CD/DVD

Package: HTSSOP 44 Pin Type

Manufacturer: Rohm

Images:BD7789RFS pdf

Description

BD7789RFS are energy-saving, low noise ICs, developed for the spindel motor, actuator coil, tilt coil, stepping motor, and the loading motor drive of the desktop PC/DVD recorder.

A System Motor Driver IC for CD/DVD is a specialized integrated circuit used in optical disc drives (CD and DVD players) to control and drive the various motors involved in the disc reading and loading mechanisms. These motors are responsible for tasks such as spinning the disc, moving the laser assembly, and loading/ejecting discs.

The System Motor Driver IC typically integrates multiple motor driver channels, as well as other necessary control circuitry, making it a convenient and efficient solution for driving the motors in CD/DVD drives.

Features

1. Simple low revolution control with LRPM mode

2. Hall sensors are not required

3. The spindle motor driver archieves a high speed start and driver stability by the drive system of an orginal ROHM.

Pinouts:
BD7789RFS pinout datasheet

 

Applications:

1. Optical disk equipment, such as desktop PC / DVD recoders.

BD7789RFS PDF Datasheet

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