AMIS30521C521-QAC

Product Overview

AMIS30521C521-QAC is commonly associated with onsemi / AMI Semiconductor AMIS30521C521, a micro-stepping stepper motor driver designed for bipolar stepper motor control applications. The device integrates a dual H-bridge power stage, current translation table, SPI interface and step / direction control functions for precision motor positioning. With programmable current control, PWM current regulation, Speed and Load Angle output and compact surface-mount packaging, it is suitable for industrial automation, medical devices, robotics, laboratory instruments and embedded motion-control systems.

Key Features

• Manufacturer: onsemi / AMI Semiconductor

• Part Number: AMIS30521C521-QAC

• Base Part Number: AMIS30521 / AMIS-30521

• Related Automotive Version: NCV70521

• Device Type: Micro-stepping stepper motor driver

• Product Category: Motor driver IC / stepper motor driver

• Motor Type: Bipolar stepper motor

• Output Stage: Dual H-bridge driver stage

• Control Interface: SPI interface with external microcontroller connection

• Step Control: NXT input for next micro-step command

• Direction Control: DIR control through register or input pin depending on configuration

• Current Control: Integrated current translation table for micro-stepping operation

• PWM Regulation: Proprietary PWM current-control system

• Motor Current: Programmable peak current; exact current limit should be verified from the datasheet and PCB thermal design

• Motor Supply Voltage: Common public listings show 6V to 30V operating range for AMIS-30521 family

• Feedback Feature: Speed and Load Angle output for stall detection and load-angle based control loops

• Technology: I2T100 technology integrating high-voltage analog and digital circuitry

• Package: 32-pin surface-mount package commonly listed for AMIS30521C521

• Pin Count: 32 pins

• Mounting Type: Surface mount

• Operating Temperature Range: -40°C to +125°C commonly listed for AMIS-30521 family package versions

• Typical Use: Precision stepper motor control, industrial actuators, automation systems and embedded motion modules

• Key Features: Dual H-bridge, SPI control, micro-stepping current translator, PWM regulation and load-angle feedback

• Datasheet PDF: https://www.mouser.com/datasheet/2/308/AMIS-30521-D-111157.pdf

• Additional Reference: https://datasheet4u.com/datasheets/ON-Semiconductor/AMIS-30521/656799

• Ordering / Packaging Note: Buyers should verify the full onsemi ordering code, C521-QAC suffix, package type, top marking, motor voltage, current setting, temperature grade, reel packaging, RoHS status and PCB thermal layout before production use.

Applications

AMIS30521C521-QAC can be used in electronic systems that require controlled bipolar stepper motor motion with micro-stepping performance and SPI configuration. Typical applications include industrial automation equipment, medical devices, laboratory instruments, robotics, textile machines, valve actuators, camera positioning systems, office automation, test equipment, embedded motion modules and repair projects. It is also suitable for BOM review where an onsemi / AMI Semiconductor AMIS30521 stepper motor driver with a specific C521-QAC ordering suffix is required.

Quality & Sourcing

Antrex Electronics can support AMIS30521C521-QAC sourcing with stock availability checks, RFQ quotation, package confirmation, date code review and shipment arrangement. For project-based purchasing, buyers can provide quantity, target price, required onsemi suffix, package type, motor voltage, current requirement, date code and application information for faster quotation support.

For quality control, Antrex Electronics can help arrange product photos, label review, visual inspection, pin inspection and third-party testing support when required. OEMs, EMS providers, automation equipment manufacturers, medical electronics suppliers, repair centers and electronic component buyers are welcome to send BOM lists or hard-to-find motor driver IC requests for sourcing assistance.