AMIS-30532: Microstepping Motor Driver

The AMIS-30532 is a micro-stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and an SPI interface with an external microcontroller. It has an on-chip voltage regulator, reset-output and watchdog reset, able to supply peripheral devices. The AMIS-30532 contains a current-translation table and takes the next micro-step depending on the clock signal on the NXT input pin and the status of the DIR (=direction) register or input pin. The chip provides a so-called speed and load angle output. This allows the creation of stall detection algorithms and control loops based on load-angle to adjust torque and speed. It is using a proprietary PWM algorithm for reliable current control. The AMIS-30532 is implemented in I2T100 technology, enabling both high-voltage analog circuitry and digital functionality on the same chip. The chip is fully compatible with the automotive voltage requirements. The AMIS-30532 is ideally suited for general-purpose stepper motor applications in the automotive, industrial, medical, and marine environment. With the on-chip voltage regulator it further reduces the BOM for mechatronic stepper applications.

Features
  • Dual H-Bridge for 2-Phase Stepper Motors
  • Programmable Peak-Current up to 1.6 A Continuous (3.0 A Short Time) using a 5-bit Current DAC
  • On-Chip Current Translator
  • SPI Interface
  • Speed and Load Angle Output
  • Seven Step Modes from Full-Step Up to 32 Micro-Steps
  • Fully Integrated Current-Sense
  • PWM Current Control with Automatic Selection of Fast and Slow Decay
  • Low EMC PWM with Selectable Voltage Slopes
  • Active Fly-Back Diodes
  • Full Output Protection and Diagnosis
  • Thermal Warning and Shutdown
  • Compatible with 5 V and 3.3 V Microcontrollers
  • Integrated 5 V Regulator to Supply External Microcontroller
  • Integrated Reset Function to Reset External Microcontroller
  • Integrated Watchdog Function
Software (2)
Document TitleDocument ID/SizeRevisionRevision Date
AMIS-3062x Evaluation Kit GUI Installation WizardAMIS3062XEVKGUISW (43998.0kB)0
Stepper Motor Driver GUI Installation WizardSTEPPERGUISW (68854kB)8
Package Drawings (1)
Document TitleDocument ID/SizeRevision
QFN32 7x7560AA (54.7kB)A
Application Notes (4)
Document TitleDocument ID/SizeRevisionRevision Date
Current Range Switching using NCV7052xAND8372/D (122.0kB)1
How to Measure Bemf on the SLA-pinAND8399/D (2115kB)3Jul, 2016
Stepper Motor Driver Failure Diagnostics and ProtectionAND8403/D (147.0kB)0Oct, 2009
Stepper Motor Resonance Measurement Setup with the NCV7052x Evaluation KitAND8371/D (2937.0kB)1
Evaluation Board Documents (7)
Document TitleDocument ID/SizeRevisionRevision Date
AM305321R1DBGEVB Bill of Materials ROHS CompliantAM305321R1DBGEVB_BOM_ROHS.PDF (134.0kB)0
AM305321R1DBGEVB Gerber Layout Files (Zip Format)AM305321R1DBGEVB_GERBER.ZIP (60.0kB)0
AM305321R1DBGEVB SchematicAM305321R1DBGEVB_SCHEMATIC.PDF (219.0kB)0
AMIS305XXGEVK Bill of Materials ROHS CompliantAMIS305XXGEVK_BOM_ROHS.PDF (189kB)1
AMIS305XXGEVK Gerber Layout Files (Zip Format)AMIS305XXGEVK_GERBER.ZIP (614kB)1
AMIS305XXGEVK SchematicAMIS-305XXGEVK_SCHEMATIC.PDF (261kB)1
AMIS305XXGEVK Test ProcedureAMIS305XXGEVK_TEST_PROCEDURE.PDF (2056.0kB)0
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Microstepping Motor DriverAMIS-30532/D (371kB)2
Evaluation/Development Tool Information
ProductStatusComplianceShort Description
AM305321R1DBGEVBActiveDaughter Board Stepper Driver NQ Evaluation Board
AMIS305XXGEVKActivePb-freeIndustrial Stepper Motor Driver Evaluation Kit 305XX Family
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
AMIS30532C5321RGActivePb-free Halide freeNQFP-32560AA3Tape and Reel2500$3.6
Specifications
ProductVM Min (V)VM Max (V)VCC Min (V)VCC Max (V)IO Max (A)IO Peak Max (A)Step ResolutionControl TypeFeedback MethodCurrent SenseRegulator OutputFault DetectionFlyback ProtectionRDS(on) Typ (Ω)
AMIS30532C5321RG6403.23.21/32SPIBack EMF/SensorlessFully IntegratedYesOver-CurrentIntegrated Active
Microstepping Motor Driver (371kB) AMIS-30532
AMIS-3062x Evaluation Kit GUI Installation Wizard AMIS-30624
STEPPERGUISW - 68854 KB AMIS305XXGEVK
Current Range Switching using NCV7052x AMIS-30543
How to Measure Bemf on the SLA-pin AMIS-30543
Stepper Motor Driver Failure Diagnostics and Protection AMIS-30543
Stepper Motor Resonance Measurement Setup with the NCV7052x Evaluation Kit AMIS-30543
AM305321R1DBGEVB BOM ROHS AM305321R1DBGEVB
AM305321R1DBGEVB GERBER AM305321R1DBGEVB
AM305321R1DBGEVB SCHEMATIC AM305321R1DBGEVB
AMIS305XXGEVK BOM ROHS AMIS305XXGEVK
AMIS305XXGEVK GERBER AMIS305XXGEVK
AMIS-305XXGEVK SCHEMATIC AMIS305XXGEVK
AMIS305XXGEVK TEST PROCEDURE AMIS305XXGEVK
QFN32 7x7 AMIS-30624