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L6232E Datasheet(PDF) 1 Page - STMicroelectronics |
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L6232E Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 10 page L6232E SPINDLE DRIVER 1.5A MAXIMUM PEAK CURRENT CONTROLLED SLEW RATE CENTRAL CHARGE PUMP PWM AND LINEAR MODES CUTOFF TIME USER CONFIGURABLE FAST, FREE-WHEELING DIODES ON CHIP OVER-TEMPERATURE PROTECTION BRAKE FUNCTION INPUT DESCRIPTION The L6232E is a triple half bridge driver intended for use in brushless DC motor applications. This part can be used to form the power stage of a three-phase, brushless DC motor control loop, and is especially useful for disk drive applications. Power drivers are Integrated DMOS transistors and feature fast recirculating diodes as an integral part of their structure. The logic inputs are TTL- level compatible, with internal pull-up, allowing in- terfacing to open collector outputs. All necessary circuitry to perform PWM and linear motor speed control is included. A central charge pump is util- ized to drive the upper DMOS transistors, and also to power the braking function. The L6232E is packaged in PLCC28. This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. October 1996 BLOCK DIAGRAM PLCC21+7 ORDERING NUMBER: L6232E 1/10 |
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