AMIS-30522 - Micro-stepping Motor Driver

Product Overview

AMI SEMICONDUCTOR

Datasheet Details

Part number	AMIS-30522
Manufacturer	AMI SEMICONDUCTOR
File Size	2.55 MB
Description	Micro-stepping Motor Driver
Datasheet	AMIS-30522 Datasheet
Additional preview pages of the AMIS-30522 datasheet.

Product details

Description

Table 2: Pin List and Description Name Pin Description DO 31 SPI data output VDD 32 Logic supply output (needs external decoupling capacitor) GND 1 Ground, heat sink DI 2 SPI data in www.DataSheet4U.com CLK 3 SPI clock input NXT 4 Next micro-step input DIR 5 Direction input ERRB 6 Error output SLA 7 Speed load angle output CPN 9 Negative connection of charge pump capacitor CPP 10 Positive connection of charge pump capacitor VCP 11 Charge pump filter-capacitor CLR 12 “Clear” = chip reset input CS

Features

Dual H-Bridge for 2-phase stepper motors.
Programmable peak-current up to 1.6A 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.

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Published: Nov 4, 2009 |