TL7705BQDRG4

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TL7705BQDRG4 application field and working principle

The TL7705BQDRG4 is a power management supervising device manufactured by Texas Instruments (TI). This device is part of their extended line of Power Management Integrated Circuits (PMICs) that is designed to provide integrated control of power supply monitoring and logic control. This device is designed to monitor the battery or other power sources, as well as to switch logic control and is suitable for use in low power or battery operated systems.

The TL7705BQDRG4 is a two-terminal device with two separate operation modes, active-low and active-high. In the active-low mode, the TL7705BQDRG4 sets an output if the supply voltage drops under a given threshold. In the active-high mode the device sets an output when the power reaches certain specific voltage.

The TL7705BQDRG4 is designed to be used primarily as a low-power supervisor in applications such as portable devices, wearable devices and battery operated systems. It is suitable for applications where low supply currents and flexibility to control power supply monitoring and logic control is desired. With the ability to operate a logic control switch, the device can completely disable a power supply. This makes the device suitable for applications where power consumption needs to be managed tightly.

The operation of the TL7705BQDRG4 is simple and straightforward. When the power supply voltage drops below 0.65V, the device sends out an active-low of 0.65V. When the power supply voltage reaches 1.8V, the device sends out an active-high signal of 1.8V. This can be used to enable and disable power supplies, as required for different parts of a system, or simply to signal when the power is going below and above a certain threshold.

The TL7705BQDRG4 uses a low supply current of 2uA typical and a wide operating temperature range from -40 to +125C. The device is also designed to be reliable; it has good ESD and short circuit protection, and is designed to tolerate a wide range of supply voltage fluctuations. It is designed to meet UL and CE specifications, and can be easily integrated into systems.

Overall, the TL7705BQDRG4 is an excellent power management supervising device for applications where low power and flexibility of control is required. The device is well-suited for systems that require power management, such as portable and battery operated systems, as it provides reliable and low power monitoring of the power supply. It is easy to integrate, has good ESD protection, and can be used to switch logic control and completely disable power supply.

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