New motor drive chip for industrial applications and automotive

At the 2016 Munich (Germany) Electronics Show, elmos offers motor-driven chips for automotive applications, which can be used with 24V and 48V vehicle power supplies and 24V to 60V power supplies for industrial applications, motor drives, and automotive radiator grille adjustments. . Elmos' motor drive chip also controls the cooling of on-board pumps and LED headlights. All ICs have comprehensive safety features and first-class accuracy.

Elmos also introduced a 72V 3-phase half-bridge driver IC (E523.50) for driving DC brushless (BLDC) motors. It can be applied to automotive applications with 24V and 48V automotive power supplies and industrial applications with 24V to 60V power supplies. The driver chip is compliant with AEC Q100 standard level 0 (150 ° C). The chip is equipped with a high-voltage input, a digital RUN pin and three digital input control pins for three half-bridge drivers (three high-side and three low-side gate drivers). The IC can be configured with six direct control inputs, or three enable and three pulse width modulation (PWM) inputs. For the latter configuration, the dead time can be automatically generated or set using an external resistor.

Main features:

Supply voltage range from 12V to 72V, down to 7V

Built-in 11V/100mA DC/DC switching power supply

Built-in 3.3V/20mA power supply for external microcontrollers or optional external NPN transistors for larger load currents

200mA gate drive current, including protection

Configurable 6 independent PWM inputs or drive 3 mode (3EN+3PWM)

Programmable dead time

High voltage enable input

500ns fast current sampling amplifier

Integrated back EMF interface

Undervoltage, overcurrent and overtemperature protection

AEC-Q100 compliant car certification

typical application:

DC brushless motor for industrial 24V to 60V applications

Commercial vehicle

48V communication field

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