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LA6503

Features: • CAV control spindle motor driver- Three-phase brushless motor driver- IOmax = 1 A- Built-in FG output circuit (single Hall detection output)- Reverse braking circuit- Built-in start/stop circuit- Upper side current detection for minimal loss in the current detection resistor. Als...

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SeekIC No. : 004390533 Detail

LA6503: Features: • CAV control spindle motor driver- Three-phase brushless motor driver- IOmax = 1 A- Built-in FG output circuit (single Hall detection output)- Reverse braking circuit- Built-in star...

LA6503 Data Sheet

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Part Number:
LA6503
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

• CAV control spindle motor driver
- Three-phase brushless motor driver
- IOmax = 1 A
- Built-in FG output circuit (single Hall detection output)
- Reverse braking circuit
- Built-in start/stop circuit
- Upper side current detection for minimal loss in the current detection resistor. Also, the voltage drop in this resistor reduces the IC internal power dissipation.
- Built-in thermal shutdown circuit
• Sled motor driver
- One built-in BTL driver channel
- IOmax = 1 A
- Wide dynamic range
- Built-in level shifting circuit
- Muting (output on/off) circuit
- Built-in thermal shutdown circuit
• Sled motion/position detection circuit
- Circuit that provides a pulse output corresponding to sled motion and position
- This circuit emits 96 pulses for each rotation from a 24-pole magnet and 90° phase difference Hall element motors, and thus detects the distance moved. It also provides two 48-pulse outputs with differing phases such that the motion direction can be detected from the phase difference between those signals.
• Hall bias power supply
- Generates the Hall element 3-V bias voltage.
- IOmax = 30 mA, typical


Pinout

Connection Diagram


Specifications

Parameter
Symbol
 Conditions Ratings
Unit
Supply voltage
VCC max
   7
V
Supply voltage
VM max
   14
V
Input voltage
VC max
   VCC
V
Output current
IO max
 Spindle output, sled output 1
A
Allowable power dissipation
Pd max
 Independent IC 0.77
W
Operating temperature
Topr
   20 to +75
Storage temperature
Tstg
   55 to +150



Description

The LA6503 was developed for CAV control CD-ROM drives, and provides spindle motor driver, sled motor driver, and sled motion/position detection circuits.


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