LA6502 Datasheet, PDF (1/11 Pages) Sanyo Semicon Device – Monolithic Linear IC 5ch driver for CD and DVD Spindle driver : 3-phase linear sensor-less drive BTL 4ch

Ordering number : EN7816B
LA6502
Monolithic Linear IC
5ch driver for CD and DVD Spindle driver :
3-phase linear sensor-less drive BTL 4ch
Overview
This LA6502 is a 5ch driver for CD and DVD Spindle driver : 3-phase linear sensor-less drive BTL 4ch.
Features
• Spindle driver block
1) 3-phase sensor-less motor driver
2) Soft switching drive
3) Analog input V type control
4) Current limiter incorporated
5) Counter electromotive FG output
6) Reverse prevention circuit incorporated
• Threading, focusing, tracking, and loading blocks
1) BTL-AMP type
• Common block
1) Thermal shutdown circuit incorporated (design guarantee)
2) MUTE function incorporated (pin 3)
3) OP-AMP (1ch) incorporated (open collector output)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Motor Supply Voltage 1
Motor Supply Voltage 2
Allowable power dissipation
VCC1
VCC2
Pd max1
SPINDLE, SLED, LOADING power supply
FOCUS, TRACKING power supply
Independent IC
Pd max2
Mounted on a specified board. *
* Mounted on a board : 114.3×76.1×1.6mm³, glass epoxy board.
Ratings
Unit
14.5
V
14.5
V
0.8
W
1.7
W
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Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
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instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
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customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
60607 MS PC B8-7414 No.7816-1/11