MC34910BACR2

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The MC34910BACR2 integrated circuit is an efficient power management system specialized for automotive applications. It combines features of traditional power supply controllers and power distributes in a highly integrated, single chip. This fully featured device offers flexibility and reduces complexity while providing superior efficiency and superior EMI/EMC emission performance.

Overview

The MC34910BACR2 is a single chip power management system with several key features. It supports intelligent protection of battery natural discharge current and overcurrent protection for critical supply rails. It also includes pre-amps for both the input supply coupling rails and the external ground, enabling higher performance and system stability.

The integrated circuit includes an on-chip overcurrent protection (OCP) function, as well as an adjustable undervoltage lockout (UVLO) threshold, that is adjustable from 3.0 to 6.0 volts. Additionally, the IC features a low voltage sense input (VSENSE) with an adjustable threshold of 1.8V to 4.5V, giving designers an extra level of control over the system\'s supply voltage.

Features

The MC34910BACR2 integrated circuit offers a comprehensive feature set designed to support a wide range of automotive applications:

• Protection of battery natural discharge current and overcurrent protection for critical supply rails
• Built-in overcurrent protection (OCP)
• Adjustable undervoltage lockout (UVLO) threshold (3.0 to 6.0V)
• Low voltage sense input (VSENSE) with an adjustable threshold of 1.8V to 4.5V
• Integrated pre-amps for both the input supply coupling rails and the external ground
• Programmable switching frequency (100 kHz to 500 kHz)
• Temperature monitoring for over temperature protection (OTP)

These features, in combination with the MC34910BACR2\'s advanced features and integration, make it an excellent choice for automotive power management applications.

Application Field

The MC34910BACR2 integrated circuit is designed for a broad range of automotive applications, including brightness controllers, audio amplifiers, power steering, light fixtures and automotive infotainment systems. With its high performance and integrated features, the IC is well suited for automotive power management systems. Because of its advanced settings and high efficiency, it is a great choice for applications that require reliable power supply management.

Working Principle

The MC34910BACR2 is a 6-channel power management system that utilizes the synchronous rectification technique to achieve superior efficiency. The circuit supports intelligent battery protection and over current protection for critical supply rails. It includes an adjustable undervoltage lockout (UVLO), adjustable from 3.0 to 6.0 volts and low voltage sense input (VSENSE) with an adjustable threshold from 1.8 to 4.5 volts. It also includes integrated pre-amps for both the input supply coupling rails and the external ground, which helps maintain greater stability.

The MC34910BACR2 features a programmable switching frequency (from 100 kHz to 500 kHz). It also features temperature monitoring with over-temperature protection (OTP). The IC provides advanced protection functions and superior performance that makes it an ideal solution for automotive power supply applications.

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