LB1928 Selling Leads, Price trend, LB1928 DataSheet download, circuit diagram from SeekIC.com

Features: • Three-phase bipolar drive (30V, 3.1A)• Direct PWM drive technique• Built-in diode for absorbing output lower-side kickback• Speed discriminator and PLL speed control• Speed lock detection output• Built-in forward/reverse switching circuit• Buil...

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SeekIC No. : 004391192 Detail

LB1928: Features: • Three-phase bipolar drive (30V, 3.1A)• Direct PWM drive technique• Built-in diode for absorbing output lower-side kickback• Speed discriminator and PLL speed cont...

LB1928 Data Sheet

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Part Number:: LB1928
Supply Ability:: 5000

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Upload time: 2025/1/11

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US $.77 - .86 / Piece

Motor / Motion / Ignition Controllers & Drivers Step Motor Driver IC for 2-phase Excit

Product Details

Description

Features:

• Three-phase bipolar drive (30V, 3.1A)
• Direct PWM drive technique
• Built-in diode for absorbing output lower-side kickback
• Speed discriminator and PLL speed control
• Speed lock detection output
• Built-in forward/reverse switching circuit
• Built-in protection circuitry includes current limiter, overheat protection, motor restraint protection, etc.

Pinout

Connection Diagram

Specifications

Absolute maximum ratings
Vm min [V]	9.5
Vm max [V]	28
IO max [A]	3.1

Parameter	Symbol	Conditions	Ratings	Unit
Maximum supply voltage	V_ccmax		30	V
Maximum output current	I_O max	T500 ms	3.1	A
Allowable power dissipation 1	Pd max 1	IC only	3	W
Allowable power dissipation 2	Pd max 2	With an arbitrary large heat sink	20	W
Operating temperature	Topr		20 to +80	°C
Storage temperature	Tstg		55 to +150	°C

Description

The LB1928 is a 3-phase brushless motor driver well suited for drum and paper feed motors in laser printers, plain-paper copiers and other office automation equipment. Direct PWM drive allows control with low power losses. Peripheral circuitry including speed control circuit and FG amplifier is integrated, thus allows drive circuit to be constructed with a single chip.

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LB1928

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