LB1945H Selling Leads, Price trend, LB1945H DataSheet download, circuit diagram from SeekIC.com

Features: • PWM current control (external excitation)• Load current digital selection (12, W12, and 2 phase excitation drives possible)• Built-in upper/lower diode• Simultaneous ON prevention function (feedthrough current prevention)• Built-in thermal shutdown circuit...

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SeekIC No. : 004391210 Detail

LB1945H: Features: • PWM current control (external excitation)• Load current digital selection (12, W12, and 2 phase excitation drives possible)• Built-in upper/lower diode• Simultane...

LB1945H Data Sheet

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Part Number:: LB1945H
Supply Ability:: 5000

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Upload time: 2025/12/26

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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:

• PWM current control (external excitation)
• Load current digital selection (12, W12, and 2 phase excitation drives possible)
• Built-in upper/lower diode
• Simultaneous ON prevention function (feedthrough current prevention)
• Built-in thermal shutdown circuit
• Built-in noise canceler

Pinout

Connection Diagram

Specifications

Absolute maximum ratings
Vm min [V]	10
Vm max [V]	28
IO max [A]	0.8
Excitation mode	W1-2 phase
Motors	1

Parameter	Symbol	Conditions	Ratings	Unit
Motor supply voltage	V_BBMAX		30	V
Output peak current	I_OPEAK	t20 ms	1.0	A
Output continuous current	I_O MAX		0.8	A
Logic block supply voltage	V_CC		6.0	V
Logic input voltage range	V_IN		0.3 to V_CC	V
Emitter output voltage	V_E		1.0	V
Allowable power dissipation	P_d max	Ta=25°CWith an arbitrarily large heat sink	1.9	W
Operating temperature	T_opr		20 to +85	°C
Storage temperature	T_stg		55 to +150	°C

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LB1945H

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