SLA7078MR

Stepper motor driver/controller
Bảng giá
Số lượng
Cái
Đơn giá(VND)
1
133,000
10
129,000

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The SLA7078MR is a stepper motor driver/controller chip featuring a unique chopper/PWM driver and current reduction functions that is perfect for your DIY CNC.

The chip is used in high-spec commercial stepper drivers, also in low cost controller boards such as the 

Features

  •  Power supply voltages, VBB : 46 V(max.), 10 to 42 V normal operating range
  •  Logic supply voltages, VDD: 3.0 to 5.5 V
  •  Maximum output currents: 1 A, 1.5 A, 2 A, 3 A
  •  Built-in sequencer
  •  Simplified clock-in stepping control
  •  Microstepping at full, half, quarter, eighth, and sixteenth steps
  •  ZIP type 23-pin moulded package (SLA package)
  •  Self-excitation PWM current control with fixed off-time;
    - off-time adjusted automatically by step reference current ratio (3 levels)
  •  Built-in synchronous rectifying circuit reduces losses at PWM off
  •  Synchronous PWM chopping function prevents motor noise in Hold mode
  •  Sleep mode for reducing the IC input current in stand-by state
  •  Note: Built-in protection circuitry against motor coil opens/shorts only available on SLA7078MPR

Download datasheet



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