BD6761FS-E2

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Today’s automotive systems powertrain show advance power efficiency, robustness and exceptional environmental performance, in part because of the modern energy management sub-systems, especially PMIC (power management integrated circuits) such as BD6761FS-E2. This special PMIC with integrated specific features not only can save great space and power for automotive applications, but also can realize optimized performance and flexibility with improved cost-effectiveness.

The BD6761FS-E2, as a member of PMIC - motor drivers and controllers, is an integrated regulator and motor controller technology with embedded power MOSFETs suitable for automotive applications. In powertrain systems, it functions as a gate driver and power supply for three-phase brushed DC motor systems.

This automotive power management integrated circuit feature excellent operation synchronization, high-precision current sensing, current and torque ripple, and can control up to a 3.2KW motor. The BD6761FS-E2 offers PWM frequency up to 20KHz, integrated over temperature protection and battery or rail under voltage lockout and features wide power supply range from 4.5V to 16V. The temperature operating range up to -40°C to 125°C, and the package is compact SOT289-11.

Additionally, it contains an internal −2.5V bandgap reference voltage, an inverted voltage regulator, an in-built driver FET, 3-phase comparators, a UVLO amplifier, current sensing and control circuitry, PWM interface, thermal protection circuitry and logic circuit which allows the driver to be used as a stand-alone solution or as part of a larger power management system.

The device has the advantages of extreme low saturation voltage, wide spectrum of PWM current control and strong self-protection functions. It offers several protections functions for short circuit protection (SCP), overvoltage protection (OVP), undervoltage lockout (UVLO), over temperature protection (OTP) and current limit protection (CLP).

The output power stage of BD6761FS-E2 is protected against short circuits and overloads. It will shut off in case of overcurrent or overtemperature conditions. Furthermore, it contains an internal voltage limiter which regulates the output voltage, short-circuit protection for output voltage, input voltage and feedback voltage, and can support the brake command.

The applications of BD6761FS-E2 includes automotive solenoids, DC motors, miniature motors, air pumps, electric fans, steering wheel control module, electric transfer box, motor control of wiper/washer, vehicle lighting control as well as electric actuators and so on.

In conclusion, the BD6761FS-E2 is an exceptional component of power management integrated circuits, integrating critical functions in an ultra-small size. It integrates the gate driver and power supply, while offering wide power supply range and power efficiency. It offers superior scalability and compatibility which save the space, cost and time when incorporated into automated automotive powertrain systems.

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