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LB1971V

Features: • Three-phase bipolar sensorless drive• Soft switching drive technique• Reverse torque braking• Standby mode power saving function• FG outputs• Can be operated from a 3-V supply.• Thermal protection circuitPinoutSpecifications Parameter ...

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SeekIC No. : 004391224 Detail

LB1971V: Features: • Three-phase bipolar sensorless drive• Soft switching drive technique• Reverse torque braking• Standby mode power saving function• FG outputs• Can be o...

LB1971V Data Sheet

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Part Number:
LB1971V
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: 2025/1/11

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Product Details

Description



Features:

• Three-phase bipolar sensorless drive
• Soft switching drive technique
• Reverse torque braking
• Standby mode power saving function
• FG outputs
• Can be operated from a 3-V supply.
• Thermal protection circuit




Pinout

Connection Diagram




Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage 1
VCC1max
7.0
V
Maximum supply voltage 2
VCC2max
7.0
V
Maximum output circuit supply voltage
VS max
7.0
V
Maximum output current
IO max
700
mA
Allowable power dissipation
Pdmax
0.4
W
Operating temperature
Topr
20 to +75
°C
Storage temperature
Tstg
55 to +150
°C


Absolute maximum ratings
Vm min [V] 2
Vm max [V] 6
IO max [A] 0.7





Description

The LB1971V is a bipolar sensorless motor driver that provides a reverse torque braking function and is appropriate for use as the spindle motor driver in CD and MD players. Since the LB1971V can drive motors without the use of Hall elements, this device can contribute to Nminiaturization, thinner form factors, and lower power dissipation in end products.






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