LC898240: High Efficient Stepper Motor Controller
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The LC898240 is a current controller IC for a stepper motor, co-working with a conventional driver. It provides additional functions to a stepper motor control system. The drive current of a motor coil is adopted for the motor load, so that minimize the waste of power. By this current control, the stepper motor moves smoothly. And, it gives higher efficiency power consumption, lower acoustic noise, lower vibration and lower heat generation.
The LC898240 also provides speed acceleration profile control function and step-out detection/prevention. These functions can be configured by the registers through an SPI serial port interface flexibly. The preset parameters and configuration can be stored to the companion non-volatile memory.
The LC898240 consists of the monitor inputs from motor terminal, serial port inter face, the step control signal inputs from a microprocessor and the outputs to a stepper motor driver. The topology of a microprocessor, a stepper motor driver and LC898240, can be arranged to match various drivers and system architecture. Thus, it can be used as an interface converter between a microprocessor and a driver with the advanced control functions.
The LC898240 also provides speed acceleration profile control function and step-out detection/prevention. These functions can be configured by the registers through an SPI serial port interface flexibly. The preset parameters and configuration can be stored to the companion non-volatile memory.
The LC898240 consists of the monitor inputs from motor terminal, serial port inter face, the step control signal inputs from a microprocessor and the outputs to a stepper motor driver. The topology of a microprocessor, a stepper motor driver and LC898240, can be arranged to match various drivers and system architecture. Thus, it can be used as an interface converter between a microprocessor and a driver with the advanced control functions.
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Technical Documentation & Design Resources
Tutorials (2) | Package Drawings (1) |
White Papers (1) | Videos (2) |
Data Sheets (1) |
Availability & Samples
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Specifications
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Application Diagram
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Intaractive Block Diagram
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LC898240-2H | Active |
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LC898240 | SPQFP-48 / SQFP-48 | 131AJ | 1 | 260 | Tray JEDEC | 1250 | $3.0785 |
Market Leadtime (weeks) | : | 2 to 4 |
ON Semiconductor (2020-09-02 00:00) | : | 10,000 |
Product
Description
Pricing ($/Unit)
Compliance
Status
VM Min (V)
VM Max (V)
VCC Min (V)
VCC Max (V)
IO Max (A)
IO Peak Max (A)
Step Resolution
Control Type
Current Sense
Fault Detection
Package Type
LC898240-2H
$3.0785
Pb
A
H
P
Active
3
3.6
3
5.5
1
1/16
1/2
1/4
1/8
Clock
Serial
Lock
SPQFP-48 / SQFP-48
Case Outlines
131AJ
Application
Diagram - Block
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