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A5929

Allegro
Part Number A5929
Manufacturer Allegro
Description Automotive Full-Bridge MOSFET Driver
Published Dec 6, 2023
Detailed Description A5929 Automotive Full-Bridge MOSFET Driver FEATURES AND BENEFITS • High current Full-Bridge gate drive for n-channel MO...
Datasheet PDF File A5929 PDF File

A5929
A5929


Overview
A5929 Automotive Full-Bridge MOSFET Driver FEATURES AND BENEFITS • High current Full-Bridge gate drive for n-channel MOSFETs • Cross-conduction protection • 5.
5 V to 50 V Supply Voltage Range • Motor phase short to supply and short to ground detection • Undervoltage, overtemperature monitors • Low Current Sleep Mode PACKAGE: 24-Pin eTSSOP with exposed thermal pad (suffix LP) Not to scale DESCRIPTION The A5929 is a full-bridge controller for use with n-channel external power MOSFETs and is specifically designed for automotive applications.
A unique charge pump regulator provides full (>10 V) gate drive at battery voltages down to 7 V and allows the A5929 to operate with reduced gate drive at battery voltages down to 5.
5 V.
A bootstrap capacitor is used to provide the above battery supply voltage required for n-channel MOSFETs.
One logic level input is provided for each of the four power MOSFETs in the full-bridge, allowing motors to be driven with any PWM scheme defined by an external controller.
The power MOSFETs are protected from cross-conduction by integrated crossover control.
Motor phase short-to-supply and short-to-ground detection is provided by independent drain-source voltage monitors on each MOSFET.
Short faults, supply undervoltage, and chip over-temperature conditions are indicated by a single open drain fault output.
The A5929 is supplied in a 24-pin TSSOP power package with an exposed thermal pad (package type LP).
This package is available in lead (Pb) free versions, with 100% matte-tin lead frame plating (suffix –T).
VDD MCU A5929 VBAT A5929-DS Typical Application Diagram A5929 Automotive Full-Bridge MOSFET Driver Selection Guide Part Number A5929KLPTR-T Packing 4000 pieces per reel SPECIFICATIONS Package 9.
7mm x 4.
4mm, 1.
2mm nominal height 24 lead TSSOP with exposed thermal pad Absolute Maximum Ratings 1 Characteristic Load Supply Voltage Terminal VREG Terminals CP1, CP2 Logic Inputs AHI, ALO, BHI, BLO, and ENAB Terminal VBRG Terminal L...


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