Features: • Half-step and full-step modes.• Switched mode bipolar constant current drive.• Wide range of current control 5 - 1200 mA.• Wide voltage range 10 - 50 V.• Designed for unstabilized motor supply voltage.• Current levels can be selected in steps or vari...
PBL3717/2: Features: • Half-step and full-step modes.• Switched mode bipolar constant current drive.• Wide range of current control 5 - 1200 mA.• Wide voltage range 10 - 50 V.• De...
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Parameter | * | Symbol | Min | Max | Unit |
Voltage | |||||
Logic supply | 6 | VCC | 0 | 7 | V |
Motor supply | 3.14 | VMM | 0 | 50 | V |
Logic inputs | 7,8,9 | VI | -0.3 | 6 | V |
Comparator input | 10 | VC | -0.3 | VCC | V |
Reference input | 11 | VR | -0.3 | 15 | V |
Current | |||||
Motor output current | 1,15 | IM | -1200 | +1200 | mA |
Logic inputs | 7,8,9 | II | -10 | mA | |
Analog inputs | 10,11 | IA | -10 | mA | |
Temperature | |||||
Operating temperature | TJ | -40 | +150 | °C | |
Storage temperature | TS | -55 | +150 | °C | |
* refers to DIP package |
PBL 3717/2 is a bipolar monolithic circuit intended to control and drive the current in one winding of a stepper motor.
The circuit PBL3717/2 consists of a LS-TTL compatible logic input stage, a current sensor, a monostable multivibrator and a high power H-bridge output stage with built-in protection diodes.
Two PBL 3717/2 and a small number of external components form a complete control and drive unit for LS-TTL or microprocessor-controlled stepper motor systems.