AMIS-30621 Datasheet, PDF (2/43 Pages) AMI SEMICONDUCTOR – LIN Microstepping Motordriver

AMIS-30621 LIN Microstepping Motordriver
Data Sheet
Table of Contents
1. Quick Reference Data
3
1.1
Absolute Maximum Ratings
3
1.2
Operating Ranges
3
2. Block Diagram
3
3. Pin-out
4
4. Package Thermal Resistance
4
4.1
SO20
4
5. DC Parameters
5
6. AC Parameters
6
7. Typical Application
7
8. Positioning Data
8
8.1
Stepping Modes
8
8.2
Maximum Velocity
8
8.3
Minimum Velocity
8
8.4
Acceleration and Deceleration
9
8.5
Positioning
9
8.5.1 Position Ranges
9
8.5.2 Secure Position
12
8.5.3 Shaft
12
9. Functional Description
13
9.1
Structure Description
13
9.1.1 Stepper Motordriver
13
9.1.2 Control Logic (Position Controller
and Main Control)
13
9.1.3 LIN Interface
13
9.1.4 Miscellaneous
13
9.2
Functions Description
14
9.2.1 Position Controller
14
9.2.1.1 Positioning and Motion Control
14
9.2.1.2 Position Initialization
16
9.2.1.3 External Switch and HW Pin
16
9.2.2 Main Control and Register, OTP
Memory + RAM
17
9.2.2.1 Power-up Phase
17
9.2.2.2 Reset State
18
9.2.2.3 Soft Stop
18
9.2.2.4 Thermal Shutdown Mode
18
9.2.2.5 Temperature Management
18
9.2.2.6 Battery voltage Management
19
Document History
Version
1.0
1.1
1.2
1.3
1.4
Date of Version
July 16th, 2002
October 18th, 2002
January 27th, 2003
February 19th, 2003
March 3rd, 2003
9.2.2.7 Sleep Mode
20
9.2.2.8 Motor Shutdown Mode
20
9.2.2.9 RAM Registers
21
9.2.2.10 Flags Table
22
9.2.2.11 Application Commands
23
9.2.2.12 Priority Encoder
24
9.2.2.14 Application Parameters Stored in
OTP Memory
26
9.2.2.15 OTP Memory Structure
27
9.2.3 Motordriver
28
9.2.3.1 Current Waveforms in the Coils
28
9.2.3.2 PWM Regulation
28
9.2.3.3 Motor Starting Phase
28
9.2.3.4 Motor Stopping Phase
29
9.2.3.5 Charge Pump Monitoring
29
9.2.3.6 Electrical Defect on Coils, Detection
and Confirmation
29
9.2.4 LIN Controller
30
9.2.4.1 General Description
30
9.2.4.2 Slave Operational Range for Proper
Self Synchronization
30
9.2.4.3 Functional Description
31
9.2.4.4 Error Status Register
31
9.2.4.5 Physical Address of the Curcuit
31
9.2.4.6 LIN Frames
32
9.2.4.7 Commands Table
32
10. Features
38
10.1
Position Periodicity
38
11. Resistance to Electrical and Electromagnetic
Disturbances
39
11.1
Electrostatic Discharges
39
11.2
Schäffner Pulses
39
11.3
EMC
39
11.4
EMI
39
11.5
Power Supply Micro-Interruptions
39
12. Packages Outline
40
13. Conditioning
40
AMI Semiconductor - Rev. 1.4
www.amis.com
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