BD46335G-TR Integrated Circuits (ICs)

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The Sanken BD46335G-TR is a reset supervisor IC providing a single reset output for monitoring power sources. Its purpose is to detect when a voltage input drops below a pre-defined threshold and initiate a reset. This device can be used in various fields from consumer electronics to home appliances.

The BD46335G-TR are available in two package types: SOT-23-5 and SOT-23-6. The SOT-23-5 version is one of the smallest reset supervisor products on the market. The SOT-23-6 version was developed with a small but stable voltage margin and precise reset detection, making it suitable for low voltage applications.

Application fields

The BD46335G-TR is a versatile reset supervisor IC well-suited to a variety of applications. It can be used to detect voltage drops in consumer electronics such as DVD players, digital cameras and smart phones. It can also be used in home appliances such as air conditioners, refrigerators and washing machines. In addition, the device can be used in automotive applications, such as for monitoring battery voltage.

Working principle

The BD46335G-TR is designed to monitor voltages from 5V to 18V. When the monitored voltage drops below a certain threshold, the device initiates a reset and outputs a logic-LOW signal. The reset threshold voltage is programmable, achieved by setting the external resistor connected between VCC and the RES pin. The amplitude of the reset signal and the reset active-LOW voltage vary according to the external resistor values.

When the monitored voltage exceeds the lower threshold voltage, the RST output goes HIGH. The reset active-LOW voltage is also adjustable via an internal reset voltage adjust setting. The active-HIGH voltage levels of the RST output can be adjusted via an external resistor connected between the RST pin and VCC.

The BD46335G-TR has a wide input voltage range and is capable of detecting voltage drops as low as 0.1V in 3µs. The device also features an auto-startup and auto-clear function, which enables it to restart itself when it is triggered by a voltage drop. The device also features an open drain output structure, which allows for connecting multiple outputs from one reset supervisor IC, providing a cost-effective solution.

Conclusion

The Sanken BD46335G-TR is a reset supervisor IC that can be used in a variety of applications, from consumer electronics to home appliances and automotive applications. The device features a wide input voltage range with precise reset detection and an adjustable reset threshold voltage. It also features a wide output voltage range, allowing for multiple outputs from one reset supervisor IC. The BD46335G-TR provides a cost-effective solution for voltage monitoring and reset applications.

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