S-80860CLPF-B7LTFG

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Power Management Integrated Circuit (PMIC) supervisors are integrated circuits used in complex electronic equipment. They are designed to monitor a variety of different functions and parameters within the system, and to protect the system from over-voltage, over-current and other abnormal conditions. The S-80860CLPF-B7LTFG is a PMIC supervisor manufactured by Silicon Labs. This article will look at the application field and working principle of the S-80860CLPF-B7LTFG.

Application Field

The S-80860CLPF-B7LTFG is a low power supervisor that is suitable for use in a wide range of portable, battery powered designs. It is a highly integrated device that offers various power-saving features such as a micro-power mode that minimizes quiescent current consumption. This device is suitable for monitoring a variety of different power domains including Li-ion, Ni-Cd and Ni-MH battery packs, as well as other external and on-board DC power sources. It also supports USB and Bluetooth applications, as well as single cell Li-ion/polymer battery-based products.

The S-80860CLPF-B7LTFG is a highly integrated device that offers industry leading flexibility and scalability. It can support a wide input voltage range (2.5V - 8.5V) and supports up to four power-controlled outputs. This device also provides several on-chip programmable safety features, including overvoltage and thermal-warning threshold monitoring, as well as over-current warning and latching. These features make the S-80860CLPF-B7LTFG an ideal choice for portable systems that require extra protection from over-voltage and over-current conditions.

Working Principle

The S-80860CLPF-B7LTFG uses a delta-sigma based control system that enables accurate and stable control of power circuits. This device features both open loop and closed loop voltage regulation that can be used to increase or decrease the output voltage depending on the application. The open loop mode provides greater flexibility as the output voltage can be set within a wide range, whereas the closed loop mode allows for precise voltage control to maintain voltage stability. The S-80860CLPF-B7LTFG also offers various power-saving features such as reduced current consumption in micro-power mode and input clock gating to reduce system noise while maintaining accuracy.

In addition to basic voltage regulation, the S-80860CLPF-B7LTFG can be configured to provide over-current, over-voltage and thermal warning and latching. These features protect the system from damage caused by external or internal faults. The device also offers various programmable safety features including over-current and low battery threshold setting, over-current and thermal warning threshold setting, and A/D digital voltage monitoring.

The S-80860CLPF-B7LTFG also features an on-chip system power-on reset circuit. This circuit holds the system in reset until the system power supply voltage rises to a specified level. The on-chip delay circuit prevents the system from entering its operating state until the voltage reaches the preset threshold. This ensures that the system starts up in a stable and reliable manner.

Overall, the S-80860CLPF-B7LTFG is a highly integrated power management solution for portable, battery powered systems. It offers various power-saving features and a wide input voltage range as well as over-voltage, over-current and thermal detection. The on-chip system reset circuit prevents the system from entering its operating state until the voltage reaches the preset threshold. This makes this device an ideal choice for portable systems that require extra protection from over-voltage and over-current conditions.

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