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AMI Semiconductor

AMIS-30622 Stepper Motordriver & Controller

with I

C Bus & Microstepping Features

Key Features

Motordriver

• Microstepping (1/2, 1/4, 1/8, 1/16)

• Programmable peak current up to 800mA

• 20kHz PWM current control

• Automatic selection of fast and slow decay mode

• Internal fly-back FETs

• Fully integrated current sense

• 8V-29V supply voltage

• Automotive compliant

• Full diagnostics and status information

• 5V reference voltage pin

Programmable Controller

• Position controller

• Configurable speeds, acceleration and deceleration

• Programmable hold current

• Programmable 'safe position'

• Customized default setting in non-volatile memory

(OTP)

• Movement/position sensor input

Protection and Diagnostics

• Over-current protection

• Under-voltage management

• Over-voltage protection

• High-temp warning and shutdown

• Low-temp warning

• Detection of open and shorted motor coils

• Management of safe position

AMIS-30622

Stepper Motordriver & Controller Feature Sheet

Serial Bus Interface

• 2-wire I

C serial interface

• 5V microcontroller compatible

• Up to 32 node addresses

EMI Compatibility

• Power drivers with slope control

Product Description

The AMIS-30622 is a stepper motordriver with position

controller and control/diagnostics interface integrated in

one single chip.

The product is ready to be connected as a peripheral

device to a microcontroller with minimal loading of the

microcontroller. The chip receives high level positioning

instructions through the I²C interface and subsequently

drives the motor coils until the desired position is reached.

The on-chip position controller is configurable for different

motor types, positioning ranges and parameters for

speed, acceleration, deceleration, hold current, safe

position. Six OTP bytes are available to set default values,

and can be overruled by values programmed through the

C bus.

The AMIS-30622 acts as a slave on the serial bus and the

master can fetch specific status information like actual

position, error flags, etc. from each individual slave node.

Applications and Benefits

The AMIS-30622 is ideally suited for small positioning

applications. Target markets include automotive, industrial

equipment and building automation. Applications of

interest have typically multiple axes.

The high abstraction level of the product’s command set

reduces the load of the processor on the master side.

Scaling of the application towards number of axes is

straight-forward: hardware and software designs are

extended in a modular way, without severely affecting the

demands on the master microcontroller. The I

C bus

structure simplifies PCB track-layout and/or wiring

architectures.

Microstepping operation removes the design trade-off

between minimal operation speed and avoiding the risk of

noise and step loss due to resonance phenomena.

All these benefits result in reduced system cost and time-

to-market and improved technical performance.

Ordering Codes

Part N°

AMIS-30622-AGA

AMIS-30622-ANA

AMIS-30622

Stepper Motordriver & Controller Feature Sheet

AMIS-30622

Stepper Motordriver & Controller Feature Sheet

Package

SOIC-20

NQFP-32

(7mm x 7mm)

Peak Current Ambient

Ordering Code - Tube

at Max. Temp. Temperature

800mA

-40°C...125°C

0C622-003-XTD

0C622-004-XTD

Ordering Code - Tape

0C622-003-XTP

0C622-004-XTP

Functional Block Diagram

SWI

Interface

Position

Controller

MOTXP

PWM

regulator

Controller

TST

I -Sense

MOTXN

Decoder

Main Control

Registers

OTP - ROM

Sinewave

Table

DAC's

1 MHz

Vref

Temp

sense

Oscillator

PWM

regulator

MOTYP

Voltage Regulator

Charge Pump

I -Sense

MOTYN

VBB

VDD

CPN CPP VCP

GND

Typical Application

220 nF

100 nF

BAT

220 nF

CPN

VDD

100

µF

CPP

VBB

100 nF

VCP

SWI

µF

SDA

MOTXP

MOTXN

bus

AMIS-30622

SCK

MOTYP

MOTYN

Connect

to V

BAT

or GND

1 kΩ

TST1

TST2

GND

PC20070111.7

AMI Semiconductor

www.amis.com

Devices sold by AMIS are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. AMIS makes no warranty, express, statutory, implied or

by description, regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. AMIS makes no warranty of merchantability

or fitness for any purposes. AMIS reserves the right to discontinue production and change specifications and prices at any time and without notice. AMI Semiconductor's products

are intended for use in commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as

military, medical life-support or life-sustaining equipment, are specifically not recommended without additional processing by AMIS for such applications.

型号	0C622-004-XTD	0C622-004-XTP	KNP50SJB-52-180R
描述	STEPPER MOTOR CONTROLLER, 0.8 A, PQCC32, 7 X 7 MM, QFP-32	STEPPER MOTOR CONTROLLER, 0.8 A, PQCC32, 7 X 7 MM, QFP-32	Fixed Resistor, Wire Wound, 0.5W, 180ohm, 5% +/-Tol,
Reach Compliance Code	unknown	unknown	compliant
端子数量	32	32	2
最高工作温度	125 °C	125 °C	275 °C
最低工作温度	-40 °C	-40 °C	-40 °C
封装形状	SQUARE	SQUARE	CYLINDRICAL PACKAGE
封装形式	CHIP CARRIER	CHIP CARRIER	Axial
表面贴装	YES	YES	NO
厂商名称	Rochester Electronics	Rochester Electronics	-
零件包装代码	QFP	QFP	-
包装说明	QCCN,	QCCN,	-
针数	32	32	-
Is Samacsys	N	N	-
模拟集成电路 - 其他类型	STEPPER MOTOR CONTROLLER	STEPPER MOTOR CONTROLLER	-
JESD-30 代码	S-PQCC-N32	S-PQCC-N32	-
功能数量	1	1	-
最大输出电流	0.8 A	0.8 A	-
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	-
封装代码	QCCN	QCCN	-
认证状态	COMMERCIAL	COMMERCIAL	-
最大供电电压 (Vsup)	29 V	29 V	-
最小供电电压 (Vsup)	8 V	8 V	-
温度等级	AUTOMOTIVE	AUTOMOTIVE	-
端子形式	NO LEAD	NO LEAD	-
端子位置	QUAD	QUAD	-
Base Number Matches	1	1	-