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THB7128-E - PWM current control stepping motor driver

Description

of functions (1) Excitation setting method Set the excitation setting as shown in the following table by setting M1 pin, M2 pin and M3 pin Input signal Initial position MODE（Excitation） M3 M2 M1 A phase current B phase current L L L 2 Phase 100％ -100％ L L H 1-2 Phase 100％ 0％ L H L W1-2 Phase 100％ 0％

Features

  • Output on-resistance (High side 0.3 Ω, Low side 0.25 Ω, Total 0.55 Ω; Ta = 25℃, IO = 2.5A) VMmax=40V(DC)，Iopmax=3.3A 2, 1-2, W1-2, 2W1-2, 4W1-2, 8W1-2, 16W1-2, 32W1-2 phase excitation are selectable With built-in automatic half current maintenance energizing function Over current protection circuit Thermal shutdown circuit Input pull down resistance With reset pin and enable pin 5．Absolute Maximum Ratings／Tc=25℃ Parameter Symbol Conditions Ratings 40 3.3 6 3 -30 to +105 -40 to +125 Unit V A.

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Datasheet Details

Part number THB7128-E
Manufacturer ETC
File Size 235.23 KB
Description PWM current control stepping motor driver
Datasheet download datasheet THB7128-E Datasheet
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Full PDF Text Transcription

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Ver1.3 Preliminary Specifications Product Name THB7128-E 1．Case Outline：19 pins (See attached case outline dimensions.) 2．Function ：PWM current control stepping motor driver 3．Application ：Industrial equipment etc. 4．Features： Output on-resistance (High side 0.3 Ω, Low side 0.25 Ω, Total 0.55 Ω; Ta = 25℃, IO = 2.5A) VMmax=40V(DC)，Iopmax=3.3A 2, 1-2, W1-2, 2W1-2, 4W1-2, 8W1-2, 16W1-2, 32W1-2 phase excitation are selectable With built-in automatic half current maintenance energizing function Over current protection circuit Thermal shutdown circuit Input pull down resistance With reset pin and enable pin 5．Absolute Maximum Ratings／Tc=25℃ Parameter Symbol Conditions Ratings 40 3.
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