The PBL 3771/1 is a switch-mode, constant-current driver IC (chopper) with two channels, one for each winding of a two-phase stepper motor. The circuit is especially developed for use in microstepping applications in conjunction with the matching dual DAC (Digital-to-Analog Converter) PBM 3960.
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USED PBL 3771 Stepper Motor Driver Chip - DIP package, 22 pin. Spares as taken from a Goldenscan HPE. Found in many moving heads for motor control. For more information, see the data sheet found here - https://www.alldatasheet.com/datasheet-pdf/pdf/60226/ERICSSON/PBL3771.html Price includes postage.
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PBL 3771 Stepper Motor Driver IC
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ERICSSON - PBL3771.
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