AMIS30622C6228G ON Semiconductor, AMIS30622C6228G Datasheet - Page 15

• Manufacturer Part Number: AMIS30622C6228G
• Description: IC MOTOR DVR MICROSTP I2C 32NQFP
• Manufacturer: ON Semiconductor
• Type: Micro Stepping Motor Driverr

Specifications of AMIS30622C6228G

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: 800mA
• Voltage - Supply: 6.5 V ~ 29 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-VSQFP
• Operating Supply Voltage: 5 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

reporting of an electrical problem that could occur on the
coils or the charge pump.
Control Logic (Position Controller and Main Control)
the I
digitally controls the positioning of the stepper motor in
terms of speed and acceleration, by feeding the right signals
to the motordriver state machine.
commands to properly initiate or stop the stepper motor in
order to reach the set point in a minimum time.
order to manage possible problems and decide on internal
actions and reporting to the I
more detail:
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•
•
The control logic block stores the information provided by
It will take into account the successive positioning
It also receives feedback from the motordriver part in
This chapter describes the following functional blocks in
Position controller
Main control and register, OTP memory + ROM
Motordriver
2
C interface (in a RAM or an OTP memory) and
Hold Current
Zero Speed
Pmin
Ì
Ì Ì
Ì Ì
Ì Ì
Ì
Ì
Ì
Pstart
2
C interface.
Acceleration
range
Figure 7. Positioning and Motion Control
FUNCTIONS DESCRIPTION
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15
Vmin
Vmax
Velocity
P=0
Miscellaneous
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Position Controller
Positioning and Motion Control
illustrated in Figure 7. A motion starts with an acceleration
phase from minimum velocity (Vmin) to maximum velocity
(Vmax) and ends with a symmetrical deceleration. This is
defined by the control logic according to the position
required by the application and the parameters programmed
by the application during the configuration phase. The
current in the coils is also programmable.
The AMIS−30622 also contains the following:
A positioning command will produce a motion as
An internal oscillator, needed for the control logic
handler as well as the control logic and the PWM
control of the motordriver.
An internal trimmed voltage source for precise
referencing.
A protection block featuring a thermal shutdown and a
power−on−reset circuit.
A 5 V regulator (from the battery supply) to supply the
internal logic circuitry.
Deceleration
range
Pstop
Ì Ì
Ì Ì Ì Ì
Ì Ì Ì Ì
Ì Ì Ì Ì
Ì Ì
Ì Ì
Ì Ì
Pmax
Hold Current
Zero Speed
Position