MCP101-270DI/TO

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The MCP101-270DI/TO is a member of the PMIC - Supervisors family and is a precision timer/reset IC providing a system on/off function for power management purposes. It features two timing functions and a reset output, all contained in a 1mm × 1mm package. The primary timing function is an adjustable, low-power, active-mode delay that enables the system to transition from active mode to low-power sleep mode. The reset output is used to initiate a system power-up cycle following a system reset.

The MCP101-270DI/TO operates with a supply voltage range of 2.3V - 3.6V and has an, adjustable, low-power active-mode delay with a minimum of 140µs and a maximum of 15s. The delay time is adjustable using an external voltage source and an onboard voltage reference. The IC also has a watchdog timer with a selectable timeout period of 0.5s to 10s.

The MCP101-270DI/TO is ideal for power management in portable applications such as laptops, cellular phones, and personal electronic devices, as well as for industrial and automotive applications requiring reliable active-mode control. Its compact size and low power consumption make it a perfect fit for space- and power-constrained applications.

The MCP101-270DI/TO’s working principle is based on a voltage reference and an internal comparator. When the reset input is triggered, the voltage reference is compared to an external voltage source, and the delay time is set accordingly. When the delay time is over, the reset output is triggered, which can be used to initiate a system power-up cycle. Additionally, the IC has an integrated watchdog timer which is triggered if the reset input is not toggled within the programmed timeout period.

In summary, the MCP101-270DI/TO is a small, low-power precision timer/reset IC designed for power management in portable and industrial applications. It has an adjustable active-mode delay ranging from 140µs to 15s and a watchdog timer with a configurable timeout period ranging from 0.5s to 10s. It is a perfect fit for space- and power-constrained applications.

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