Closed loop stepper
Products and reference designs
Closed loop stepper
Overview
Our integrated circuits and reference designs help you create compact, robust and efficient closed loop stepper motor drives with high-resolution positioning, accurate torque and smooth motion from zero to high speed. Multiprotocol industrial interfaces ensure easy control through the PLC or industrial PC.
Design requirements
Closed loop stepper drive systems often require:
- Small form factor, efficient and protected power stage with fault feedback.
- Advanced digital processing for smooth and accurate closed-loop control.
- Accurate angle and current feedback sense for high-resolution micro-stepping.
- Robust, low latency industrial interfaces with high EMC immunity.
Explore applications similar in function and design
Block diagram
Find products and reference designs for your system.
DC-input closed loop stepper
Stepper motor current & DC link voltage sense
Amplifiers (26)
Analog current-sense amplifiers
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INA241B—-5-V to 110-V bidirectional high-precision current sense amplifier with enhanced PWM rejection
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INA281—-4-V to 110-V, 1.3-MHz, high-precision current sense amplifier
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INA240—-4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection
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INA303—36V, bi-directional, 550kHz, 4V/µs, high-precision current sense amplifier w/ window comparator
General-purpose op amps
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OPA4323—Quad, 5.5-V, 20-MHz, zero-cross low-noise (6 nV/√Hz) RRIO operational amplifier
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OPA2323—Dual, 5.5V, 20MHz, zero-cross low-noise (6nV/√Hz) RRIO operational amplifier
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TLV9102—Dual, 16-V, 1.1-MHz, low-power operational amplifier
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TL082H—Dual, 40-V, 5.25-MHz, 4-mV offset voltage, 20-V/µs, In to V+ op amp with -40°C to 125°C operation
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TLV9052—Dual, 5.5-V, 5-MHz, 15-V/μs slew rate, RRIO operational amplifier for cost-optimized applications
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TLV9352—Dual, 40-V, 3.5-MHz, low-power operational amplifier
Precision op amps (Vos<1mV)
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OPA2192—36-V, Precision, RRIO, Low Offset Voltage, Low Input Bias Current Op Amp With e-trim
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LT1014D—Low Power, 5V-44V wide supply range, quad operational amplifier
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OPA2210—Ultra-low noise (2.2-nV/√Hz), super beta (0.3nA), high precision (5µV, 0.1µV/°C), 36-V, dual op amp
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OPA209—Single, 2.2-nV/rtHz, 18-MHz, precision, RRO, 36-V operational amplifier
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OPA2197—Dual 36-V, precision, rail-to-rail input output, low offset voltage op amp
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OPA376—Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp
Audio op amps
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OPA4134—Quad SoundPlus™ High Performance Audio Operational Amplifiers
Comparators
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LM339-N—Low Power Low Offset Voltage Quad Comparator
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LM2901B—36-V, quad differential standard comparator
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LM339B—36-V, -40°C to 85°C quad standard comparator
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LM239—Quad differential comparator, commercial grade
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TLV3511—6ns push-pull comparator with rail-to-rail inputs
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LM2903—Dual differential comparator
High-speed op amps (GBW ≥ 50 MHz)
Data converters (5)
Precision ADCs
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ADS7054—14-Bit, 1MSPS, Differential Input, Small-Size Low-Power SAR ADC
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ADS8350—Dual 750kSPS 16-Bit Simultaneous-Sampling SAR Analog-to-Digital Converter (ADC)
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ADC128S022—8-Channel, 50 ksps to 200 ksps, 12-Bit A/D Converter
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ADS8688—16-bit, 500-kSPS, 8-channel, single-supply SAR ADC with bipolar input ranges
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ADS8354—Dual 700kSPS 16-Bit Simultaneous-Sampling SAR Analog-to-Digital Converter (ADC)
Isolation (7)
Digital isolators
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ISO6520—Functional isolation dual-channel 2/0 digital isolator
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ISO7741—Robust EMC, quad-channel, 3/1, reinforced digital isolator
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ISO6720—General purpose dual-channel, 2/0, digital isolator
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ISO7220B—Dual-channel, 2/0, 5-Mbps digital isolator
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ISO6721—General-purpose, dual-channel, 1/1 digital isolator
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ISO6741—General-purpose, quad-channel, 3/1 digital isolator
Isolated amplifiers
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AMC1300—±250-mV input, precision current sensing reinforced isolated amplifier
Power management (7)
Series voltage references
Shunt voltage references
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TLA431—All-capacitor stable precision programmable reference with KRA pin layout
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TLV431A—1% accuracy, low-voltage, adjustable precision shunt regulator
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TLV431B-Q1—Automotive, low-voltage adjustable precision shunt regulator
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ATL431LI—Low-IQ programmable shunt regulator offered in an ultra-small DQN package
Passive and discrete (2)
ESD protection diodes
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TIDA-00778—Current Sensing with <1-us Settling for 1-, 2- & 3-Shunt FOC in 3-Phase Inverter Reference Design
Technical documentation
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