| Allicdata Part #: | MAX802LCSA+-ND |
| Manufacturer Part#: |
MAX802LCSA+ |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Maxim Integrated |
| Short Description: | IC SUPERVISOR MPU 8-SOIC |
| More Detail: | Supervisor Push-Pull, Totem Pole 1 Channel 8-SOIC |
| DataSheet: | MAX802LCSA+ Datasheet/PDF |
| Quantity: | 1000 |
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Active |
| Type: | Battery Backup Circuit |
| Number of Voltages Monitored: | 1 |
| Output: | Push-Pull, Totem Pole |
| Reset: | Active Low |
| Reset Timeout: | 140 ms Minimum |
| Voltage - Threshold: | 4.65V |
| Operating Temperature: | 0°C ~ 70°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 8-SOIC |
| Base Part Number: | MAX802 |
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Power management integrated circuits (PMICs) like the MAX802LCSA+ are designed to enhance the functionality and efficiency of a wide range of electronic devices ranging from automotive systems to consumer electronics. PMICS take care of a wide range of tasks including voltage regulation, current limiting, battery charging, and logic supervision in order to ensure the proper operation of a device. As part of this family, the MAX802LCSA+ is a low-power supervisor IC specifically designed for power-sensitive applications. This supervisor IC integrates functions that allow it to monitor system power-on, reset and wake up activities. In this article, we will take a closer look at the MAX802LCSA+ application field and working principles.
MAX802LCSA+ Applications
The MAX802LCSA+ is a low-power supervisor and reset controller IC suitable for a wide range of applications. It is well-suited for use in portable, battery-powered and mobile consumer electronics, such as cell phones and tablets, where exceptional power efficiency is a key factor. Furthermore, the device can be used in industrial, automotive, and medical systems where precise protection and system reset functions are necessary. It is an ideal choice for automotive systems that require both low power and reliable supervision, such as those found in infotainment systems, navigation systems, and advanced driver assistance systems (ADAS).
MAX802LCSA+ Working Principles
Unlike other PMICS, the MAX802LCSA+ does not need an external resistor-dominant reset timer. Instead, it takes on a wide range of protection and reset functions and is capable of supporting several different system startup strategies. The device’s functional block diagram is shown in the following figure:

At the heart of the MAX802LCSA+ is an integrated LV-CMOS microprocessor reset, watchdog timer (WDT) input, and an internal reset timer that can detect power-on from a supply voltage as low as 0.5V. The device also features a reset switch (“RSTB”), which can be used to initiate a system reset in case of an unexpected power failure. This reset switch can also be used in conjunction with other logic devices such as a system microcontroller. The reset switch is also capable of resetting devices such as system DRAM.
The MAX802LCSA+ also features an integrated watchdog timer, which allows it to detect abnormal system behavior and take corrective action in case of a failure. This is done by sending a reset signal to the system microcontroller. The watchdog timer can be set to detect system hang-ups or when the system is idling for too long. The watchdog timer can also be used to monitor system power supply.
Another feature of the MAX802LCSA+ is its power-on-reset (POR) comparator, which is used for monitoring the system’s power supply. This comparator constantly monitors the voltage of the power-supply and will generate a reset signal when it falls below a predetermined threshold. The POR comparator also ensures that the system will not be powered up until the power supply voltage is stable.
Conclusion
The MAX802LCSA+ is a low-power supervisor IC specifically designed for power-sensitive applications. It is well-suited for use in a variety of systems that require low power and reliable supervision. The device integrates functions such as reset switch, watchdog timer, and power-on-reset comparator, which allow it to monitor system power-on, reset, and wake up activities. It is a great choice for automotive, industrial, and medical systems that need reliable protection and system reset functions.
The specific data is subject to PDF, and the above content is for reference
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MAX802LCSA+ Datasheet/PDF