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LSI-LS7561F
| Package Type | PDIP |
|---|---|
| Pin Count | 28 |
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Product Information
The LS7560F/LS7561F are designed to control three or four phase brushless DC motors in a closed or open loop configuration. The IC consists of a decoder which provides proper commutation sequencing, a frequency-to-pulse width converter and error amplifier for closed loop motor speed control, a PWM comparator and sawtooth oscillator for external driver power control and a 6V reference generator for supplying power to motor sensors. Also included is Fault detection and indication, overcurrent sensing, dynamic motor braking, forward/ reverse input, sensor spacing selections and an enable input control. This series has a minimum purchase requirement of 10 pieces, regardless of stock.
- +10V to +18V Power Supply (Vdd - Vss)
- Open-Loop Motor Control
- Tachometer Output for Closed-Loop Motor Control
- Direction Control
- Error Amplifier and PWM Speed Comparator with Full Accessibility
- High Noise Immunity Schmitt Triggers on Sensor inputs
- 5.5V Reference Supply for External Sensors
- Cylcle-by-Cycle Current Sensing
- Static or Current-Limited Dynamic, Motor braking
- Output Enable Delay on Speed Diretion Reversal
- Enable Input with Fault Sensing Capability
- Fault Indicator Output
- 60°/300° or 120°/240° Electrical Sensor Spacing Selection
- Selectable PWM of Top and Bottom Drivers or Bottom Drivers Only
- CMOS Compatible Motor Outputs with Drive Capability
- Selectable Top Driver Polarity
- Low Power Dissipation
- RoHS Compliant
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