BD45312G-TR Integrated Circuits (ICs) |
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Allicdata Part #: | BD45312GTR-ND |
Manufacturer Part#: |
BD45312G-TR |
Price: | $ 0.18 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ROHM Semiconductor |
Short Description: | IC RESET OD 3.1V 200MS 5SSOP |
More Detail: | Supervisor Open Drain or Open Collector 1 Channel ... |
DataSheet: | BD45312G-TR Datasheet/PDF |
Quantity: | 3000 |
3000 +: | $ 0.16078 |
6000 +: | $ 0.15523 |
Series: | BD45xxx |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Type: | Voltage Detector |
Number of Voltages Monitored: | 1 |
Output: | Open Drain or Open Collector |
Reset: | Active Low |
Reset Timeout: | 180 ms Minimum |
Voltage - Threshold: | 3.1V |
Operating Temperature: | -40°C ~ 105°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | SC-74A, SOT-753 |
Supplier Device Package: | 5-SSOP |
Base Part Number: | BD45 |
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Introduction
The BD45312G-TR is a micro-power supervisor device. It monitors power supply, such as batteries, and system reset. This device supports high-accuracy voltage detection and high-speed system reset detection and reset output. It is commonly used in 3V and 5V power supply systems. The BD45312G-TR is a popular system sub-power supervisor on the market.
BD45312G-TR Application Field and Working Principle
1. Application Field
The BD45312G-TR is ideal for embedded system applications that require minimal power supply when power is removed and added back. This device has an advantage compared to other comparator Supervisors in that the reset signal is always output regardless of the reduction in the power supply voltage. This makes the BD45312G-TR widely applicable in cases such as automotive storage devices.
The BD45312G-TR supervisor is widely used in consumer electronics, computer peripherals, security, automotive and medical industries. It is widely used in consumer electronics and computer peripherals such as: LCD displays, Routers, Modem, USB and other interface communication devices. The BD45312G-TR is also used in the automotive industry: Automotive Door Open/ Close (ODC) systems, auto air-conditioners, Battery Management Systems (BMS) and Automotive Safety Systems.
2. Working Principle
The BD45312G-TR supervisor works by monitoring the supply voltage. When the system power-up, the reset pin (RES) is reset and the output pin (P GD) will switch to high. After power-up, the device will then constantly monitor the supply voltage, and once the voltage drops below a predetermined level, the reset pin (RES) will switch to low and the output pin (P GD) will switch to low.
The device can also detect reset signals from external devices. It has two input pins for reset signals, the RESET pin and the ON/OFF pin. When a low level reset signal is input on either pin, the output pin (P GD) will switch to low. When the reset signal is removed, P GD will switch back to high. The device also has an inverse reset pin (RESETB) which can be used to control the reset signal polarity.
The device has adjustable time delay before the output pin (P GD) switches back to high. This allows the system to reset properly when the supply voltage drops below the pre-determined level. This delay time is adjustable and the device will remain in the reset period until the voltage rises again above the pre-determined level.
The BD45312G-TR also has a Power-on Reset (POR) input which can be used to manually reset the device. This can be used to control the power-up sequence of multiple devices.
Conclusion
The BD45312G-TR is a high-accuracy, low-power supervisor device commonly used for monitoring voltage and system reset. It can detect power supply voltage drops and external reset signals. It has adjustable time delay for reset and a Power-on Reset (POR) input. Its wide scope of applications makes the BD45312G-TR a popular system sub-power supervisor on the market.
The specific data is subject to PDF, and the above content is for reference
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