A4936MET-T ALLEGRO [Allegro MicroSystems], A4936MET-T Datasheet
A4936MET-T
Related parts for A4936MET-T
A4936MET-T Summary of contents
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Features and Benefits • Drives 6 N-channel MOSFETs • Synchronous rectification for low power dissipation • Internal UVLO and thermal shutdown circuitry • Hall element inputs • PWM current limiting • Dead time protection • FG outputs • Standby mode ...
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... Internal circuit protection includes thermal shutdown with hysteresis, undervoltage lockout, and dead time protection. Special power-up sequencing is not required. Operating temperature range is –20°C to 105°C. Selection Guide Part Number A4936MET-T 73 pieces per tube A4936METTR-T 1500 pieces per reel ® *Contact Allegro ...
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A4936 Pin-out Diagram HA– GHA HB HB– GHB HC PAD HC– GHC FG GLA FGFB 7 18 GLB FG– GLC Terminal List Table Number ...
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A4936 ELECTRICAL CHARACTERISTICS Characteristics General Supply Voltage Range Motor Supply Current HBIAS HBIAS Current Limit Control Logic Logic Input Voltage Logic Input Current Input Pin Glitch Reject HBIAS Wake-up Delay, Standby Mode Gate Drive High-Side Gate Drive Output Low-Side Gate ...
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A4936 ELECTRICAL CHARACTERISTICS Characteristics FG FG Input Bias Current FG Input Offset Voltage FGS Output High Leakage FGS Output Low Voltage FG Amp Open Loop Gain FG Amp Bias Voltage FG Comparator Hysteresis 1 For input and output current specifications, ...
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A4936 VBB V Charge Pump HBIAS Voltage STOP BRAKE VBB Charge Pump HBIAS Voltage 3-Phase Brushless DC Motor Pre-Driver Power-Up and Standby Mode Timing Diagram BBUV V CPUV Standby Mode (Turn-off Hall bias supply) Don’t Care Outputs Enabled Outputs Disabled ...
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A4936 Current Regulation Load current is regulated by an internal fixed off-time PWM control circuit. When the outputs of the full bridge are turned on, current increases in the motor winding until it reaches a value given by: ...
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A4936 Overvoltage Protection VBB is monitored to determine if a hazardous voltage is present due to the motor generator pump- ing up the supply bus. When the voltage exceeds V synchronous rectification feature is disabled. Overtemperature Protection If die temperature ...
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A4936 33X 0.08 C +0.05 0.25 –0.07 0.50±0. Copyright ©2010, Allegro MicroSystems, Inc. The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right ...