BD48K45G-TL

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Power Management IC (PMIC) - Supervisors are commonly used for design optimization and as general protection circuits for preventing system malfunctions caused by improper input/output under-voltage or over-voltage. The BD48K45G-TL belongs to a family of PMIC-Supervisors and is more suited for high-end applications requiring a low-voltage cut-off and high speed reset timing structure. The device is especially ideal for next-generation devices such as smart phones, wearables and digital cameras.

It features a 1.8-5.5V operating range, 8ns reset pulse width and 0.5mA-1.1mA reset current. With its low-voltage lockout and high speed reset, it helps in providing a superior system protection. It also features a watchdog timer and integrates adjustable delay time which helps protect digital cameras from currents exceeding the recommended range.

Apart from the above, the BD48K45G-TL has other features such as:

• Selectable (low/high) power-on reset delay time
• Selectable (fixed/adjustable) reset time
• Selectable (low/high) voltage lockout
• Buffered output signal
• Wide operating temperature range of -40°C to +85°C
• Small package size of SOT-23-5L

The working principle of the BD48K45G-TL is based on the concept of an adjustable reset conditions where the current transmission is monitored and the voltage supply is limited. When the voltage drops below a certain threshold, the device is forced to enter the reset state. This state will remain until power is restored, and the reset condition will be reset. When the voltage crosses the threshold again, the device resumes normal operation.

The device integrates an adjustable transmitter which can detect no-go and too low currents in order to protect the system from shutdown due to over-current or under-voltage. This feature is particularly beneficial for longer servicing intervals and under-sized systems. The BD48K45G-TL also includes a temperature sensor which helps monitor the thermal characteristics of the system and ensure it runs at optimal temperatures.

In practical applications, the BD48K45G-TL can be used to protect a variety of applications such as in battery management, microcontrollers or low-voltage logic systems. It is an ideal choice for applications dealing with hazardous conditions and comes in an economical package.

In conclusion, the BD48K45G-TL is a perfect device for next-generation applications requiring a low-voltage cut-off and high speed reset timing structure. It brings various features that contribute in providing optimal system protection and comes with a wide operating temperature range. It is an ideal option for applications running in hazardous conditions and its various adjustable parameters make it a suitable choice for a variety of designs.

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