DS1232LPS-2+T&R

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Power management integrated circuits (PMIC) are an incredibly important part of today’s electronic designs. These ICs are capable of providing power in an efficient manner to all the devices that are part of a circuit. PMICs come in various types, each catering to a specific purpose. One of the several types of PMICs is Supervisors. This article describes the application field and working principle of a supervisor IC, namely the DS1232LPS-2+T&R.

The DS1232LPS-2+T&R supervisor IC is designed to work with a wide range of battery-powered devices. It helps to ensure that the device is powered off in the event of a low battery voltage. The IC also features a Brown-Out Reset (BOR) circuit, which monitors the device’s supply voltage and performs a reset when it falls below a certain threshold. The IC also has two comparator outputs that can be used to detect the presence of an external power source or battery-backup source.

The IC provides a combination of hardware and software protection for powering the device. It includes both a hardware reset output, triggered by its BOR circuit, and a software reset output, triggered by its voltage-comparators. The IC also includes a temperature-doubling function for resetting the device if it gets too hot. Additionally, its software reset also serves as a “watchdog” so that it will reset the device if it fails to receive any wake-up signals.

The DS1232LPS-2+T&R supervisor IC is designed to work with both Li-Ion and non-rechargable batteries. It features a system reset output, which is triggered by either the BOR circuit or the voltage-comparators, depending on the type of battery connected. The IC also includes a Active High Backup Protection (AHBP) output, which is triggered by the voltage-comparator to detect the presence of a voltage source other than the battery. The IC also includes a Temperature Sensor Block, which is connected to the system reset output and allows the IC to reset the device if the temperature gets too high.

The IC is designed to work with a wide range of designs and can be powered either by a 3V or 5V supply. The IC features low power dissipation and is capable of consuming as little as 2uA of current when not in active mode. It is also resistant to ESD, making it an ideal choice for use in battery-powered applications.

In conclusion, the DS1232LPS-2+T&R supervisor IC is designed to work with various battery chemical compositions and provides efficient power management for battery-powered devices. It includes a number of features, such as hardware reset and voltage-comparator outputs, BOR monitoring, and Temperature Sensor Blocks, which help to protect and extend the life of the device. Furthermore, the IC is energy efficient, capable of consuming as little as 2uA of current when not in active mode, making it an ideal choice for use in battery-powered applications.

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