LTC2917CMS-A1#TRPBF

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PMIC (Power Management Integrated Circuit) refers to integrated circuits (ICs) used for power electronics equipment to design, enable, store and regulate power supply for such equipment. A subset of PMICs is supervisors, otherwise known as reset ICs (Integrated Circuit) which are used to protect electronic systems from functionality problems caused by excessive current, voltage, or temperature. Supervisors also reset components upon occurrence of certain events and detect if a component is not working properly.

The LTC2917CMS-A1#TRPBF is a supervisor IC. It belongs to the family of integrated circuit supervisors from Linear Technology Corporation (LTC). It is a low-power, 2-channel supervisor with high current and temperature sensing range. It ensures system reliability, simplifies the power supply wiring, and saves overall system power by monitoring the power-system rails. The supervisor IC is designed to operate from both 3.3 V and 5 V power sources, making it suitable for a variety of designs. This device is available in a PBF (Power Ball Faster) package.

The LTC2917CMS-A1#TRPBF has a number of application fields. These include consumer electronics, communication circuitry, networking systems, servers, computer motherboards, smart cards, automotive systems and so on. It is also often found in battery-operated equipment and other handheld devices, where intelligent power management is critical. The device can monitor a number of power-system rails, such as 3.3 V, 5 V and 12 V supplies, as well as up to three external temperature sensors. The device also includes a watchdog timer and is programmable with accuracy down to 0.1 %.

The LTC2917CMS-A1#TRPBF works by constantly monitoring up to nine power-system rails. The device\'s monitoring circuitry can detect both undervoltage (<3 V) and overvoltage (>3.5 V). If an overvoltage or undervoltage condition is detected, an active-low reset signal is sent to reset the system. This reset signal can also be triggered by an excessive current, an excessive temperature, and/or a system-timeout. Temperature sensing range is from -55°C to +125°C (-67°F to +151°F).

The device also features programmable power-on delay and watchdog timer which can be used to ensure that the system is operating according to the expected conditions. It also includes a logic state-change detector which detects logic level changes on selected inputs. This monitors and controls the logical operation of the device and protects the system against erroneous conditions. Finally, the device includes Brown-out protection, which prevents the system from interrupting a program execution as the voltage falls below an acceptable threshold.

In conclusion, the LTC2917CMS-A1#TRPBF is an important IC supervisor. It belongs to the family of integrated circuit supervisors from Linear Technology Corporation. It has multiple application fields, including consumer electronics, communication circuitry, networking systems, servers, computer motherboards, automotive systems, battery-operated equipment and handheld devices. It works by constantly monitoring up to nine power-system rails, and if an overvoltage or undervoltage condition is detected, an active-low reset signal is sent to reset the system. It also includes a watchdog timer, a logic state-change detector, and Brown out protection. By monitoring the power-system rails, LTC2917CMS-A1#TRPBF can ensure system reliability and save overall system power.

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