TA8053H

TA8053H TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA8053H 3A DC MOTOR DRIVER WITH DIAGNOSIS The TA8053H is a bidirectional DC motor driver with a current capacity of 3A. Inputs DI1 and DI2 are combined to select one of forward, reverse, stop, and brake modes. The inputs are TTL−compatible, and separate power supplies are provided for the logic and output sections. The IC also incorporates various protective functions as well as a self-diagnostic function for diagnostic output FEATURES l Output current capacity : 3A (Max.) l Small standby current consumption : 100µA (Max.) l Four operation modes : Forward, reverse, stop, and brake Weight: 4.0 g (Typ.) l Multiple protective functions : Short−circuit protection, thermal shutdown, and over−voltage shutdown l Self−diagnostic output : On short−circuit detection l Built−in counter electromotive force absorption diodes. l Plastic package HZIP−12pin BLOCK DIAGRAM AND PIN LAYOUT 1 2002-01-30 PIN DESCRIPTION TA8053H PIN No. 1 2 3 4 5 7 9 10 11 12 6, 8 SYMBOL DI1 DI2 TD DG M (+) GND M (-) VCC VS ST NC DESCRIPTION Output status control pin. Connects to a PNP-type voltage comparator. Delays the DG output. A capacitor is placed between this pin and GND.When the pin is open, DG is in switching state. Self-diagnostic output pin. When the output current increases above 6A (typically), a switching waveform is output from this pin as from M (+) and M (−). If a capacitor is connected to the TD pin, the sign...