BD46432G-TR

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PMIC (Power Management Integrated Circuits) and Supervisors are two important components of an electrical system. PMICs are responsible for managing and controlling power, while Supervisors are responsible for providing system-level protection and managing voltage levels. The BD46432G-TR is a PMIC-Supervisor product developed by ROHM Semiconductor and is designed to provide power management solutions to a variety of applications. In this article, we will discuss the application field and working principle of the BD46432G-TR.

The BD46432G-TR is a supervisor IC that is suitable for a wide range of applications, including automotive electronics, industrial control equipment, consumer electronics, medical equipment, and more. The device is equipped with two reset signals, a watchdog timer, an internal voltage monitor (IVM), an external voltage monitor (EVM), and a power-on reset (POR) circuit. The IVM and EVM can monitor the voltage level of the system and then trigger the reset signal output when the voltage level is over or under the set threshold value. The watchdog timer can be used to detect abnormal operation of the system, and it can be set to generate a reset signal when the timer timeout condition occurs. The POR can detect a power-on signal and reset the system when the power is turned on. The reset signal output by the device can be connected to ICs or other external devices to ensure their normal operation.

In addition to the reset signals, the supervisor IC is also equipped with a power-on reset delay circuit. When the power-on reset signal arrives, the power-on reset delay circuit will output a delayed reset signal, which can avoid the effect of the power-on reset signal on the normal operation of the system. This is especially useful for applications that require a stable operation state, such as automotive and industrial control applications.

The BD46432G-TR is also equipped with a filtering circuit that can filter out unnecessary noise from the reset signal, thus making the reset signal more reliable. The device also comes with an internal and external gain adjustment circuit that can be used to adjust the voltage threshold of the reset signal output. The internal gain adjustment can be set to one of three settings, and the external gain adjustment can be set to a range of 0.1 to 1.3V. This helps ensure that the reset signal levels come out at the right time and with the right intensity.

Overall, the BD46432G-TR is a versatile and reliable supervisor IC suitable for a wide range of applications. The built-in reset signals, watchdog timer, power-on reset delay circuit, and gain adjustment circuits ensure that the device is capable of providing reliable power management solutions. The device is also EEPROM compatible and can be used in automotive and industrial applications, making it a great choice for power management.

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