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LB1929

Features: • Three-phase bipolar drive (30 V, 3.5 A)• Direct PWM drive• Built-in low side output kickback absorption diode• Control technique that combines a speed discriminator with PLL speed control• Speed lock detection output• Built-in forward/reverse switchi...

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SeekIC No. : 004391193 Detail

LB1929: Features: • Three-phase bipolar drive (30 V, 3.5 A)• Direct PWM drive• Built-in low side output kickback absorption diode• Control technique that combines a speed discriminat...

LB1929 Data Sheet

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Part Number:
LB1929
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Three-phase bipolar drive (30 V, 3.5 A)
• Direct PWM drive
• Built-in low side output kickback absorption diode
• Control technique that combines a speed discriminator with PLL speed control
• Speed lock detection output
• Built-in forward/reverse switching circuit
• Full complement of built-in protection circuits,including current limiter, thermal protection circuit, and motor lockup protection circuit.






Pinout






Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
30
V
Output current
IO max
t 500 ms
3.5
A
Allowable power dissipation 1
Pd max*1
 Independent IC
3
W
Allowable power dissipation 2
Pd max*2
Infinitely large heat sink
20
W
Operating temperature
Topr
-20to+80
°C
Storage temperature
Tstg
-55to+150
°C





Description

The LB1929 is a three-phase brushless motor driver that is optimal for driving the drum and paper feed motors in laser printers and plain-paper copiers. It can provide drive with minimal power loss due to direct PWM drive technique, features on-chip peripheral circuits such as a speed control circuit and an FG amplifier, and can implement a drive circuit in a single chip.






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