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Bipolar integrated circuit intended for driving a four-phase two-stator motor
247
ic
The SAA1027 is a bipolar IC designed to drive a four-phase two-stator stepper motor, featuring high noise immunity and protected outputs.
In stock
Specifications
6- Operating Voltage
- 9.5V - 18V (VCC1 and VCC2) / -40°C to +70°C (Tamb)
- Supply Current
- ICC = 2-6.5mA at VCC1=12V, all inputs HIGH, pin 4 open mA
- Interface
- GPIO for C, M, R; Open-collector outputs for Q1-Q4
- Output Current
- IOL = 500µA - 500mA (LOW) / -IOH = 50µA (HIGH) mA
- Temperature Range
- -40°C to +125°C (Storage), -20°C to +70°C (Operating)
- Package
- Not specified
Pinout
10| Pin | Name | Functions | Notes |
|---|---|---|---|
| 14 | VCC1 | POWER | Supply voltage |
| 13 | VCC2 | POWER | Supply voltage |
| 15 | C | GPIO | Count input |
| 3 | M | GPIO | Mode input for direction selection |
| 2 | R | GPIO | Reset input to reset the counter |
| 6 | Q1 | GPIO | Output for driving stepper motor phase 1 |
| 8 | Q2 | GPIO | Output for driving stepper motor phase 2 |
| 9 | Q3 | GPIO | Output for driving stepper motor phase 3 |
| 11 | Q4 | GPIO | Output for driving stepper motor phase 4 |
| 4 | RX | POWER | External resistor pin to set base current of output transistors |
Interactive pinout
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247
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