SI9976DY-T1-E3 Datasheet

Gate Drivers


The Si9976( SI9976DY-T1-E3 ) is an integrated driver for an n-channel MOSFET half-bridge. Schmitt trigger inputs provide logic signal compatibility and hysteresis for increased noise immunity. An internal low-voltage regulator allows the device to be powered directly from a system supply of 20 to 40 volts. Both half-bridge n-channel gates are driven directly with low-impedance outputs. Addition of one external capacitor allows an internal circuit to level shift both the power supply and logic signal for the half-bridge high-side n-channel gate drive. An internal charge pump replaces leakage current lost in the high-side driver circuit to provide “static” (dc) operation in any output condition. Protection features include an undervoltage lockout, cross-conduction prevention logic, and a short circuit monitor. The Si9976 is available in both standard and lead (Pb)-free, 14-pin SOIC (surface mount) packages, specified to operate over the industrial (−40 to 85C) temperature range. SI9976DY-T1-E3 Features • Single Input for High-Side and Low-Side MOSFETs• 20- to 40-V Supply• Static (dc) Operation• Cross-Conduction Protected• Undervoltage Lockout• ESD and Short Circuit Protected• Fault FeedbackSI9976DY-T1-E3 Applications • Power Supplies• Motor Drives• Office Automation• Computer Peripherals• Industrial Controllers• Robotics• Medical Equipment


[{"Name":"Number of Drivers:","Value":"2"},{"Name":" Rise Time:","Value":"110 ns"},{"Name":"Fall Time:","Value":"50 ns"},{"Name":"Supply Voltage - Min:","Value":"20 V"},{"Name":"Supply Current:","Value":"0.01 mA "},{"Name":"Maximum Power Dissipation:","Value":"1000 mW"},{"Name":"Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":"Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"Number of Outputs:","Value":"2"},{"Name":"","Value":""}]

Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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