MAX810SQ463T1G

Ⅰ.Overview of MAX810SQ463T1G

The MAX810SQ463T1G is a specialized integrated circuit (IC) belonging to the Power Management IC (PMIC) category, specifically classified as a supervisor. Designed and manufactured by onsemi, this component is engineered to provide reliable reset functionality for electronic systems, ensuring stable operation by monitoring power supply voltages. As a simple reset/power-on reset device, it plays a critical role in preventing system malfunctions caused by voltage fluctuations or irregular power-up sequences.

Ⅱ.MAX810SQ463T1G Parameter

Category:Integrated Circuits (ICs),Power Management (PMIC),Supervisors

Manufacturer:onsemi

Packaging:Tape & Reel

Part Status:Obsolete

Type:Simple Reset/Power-On Reset

Voltage - Threshold:4.63V

Reset Timeout:140ms Minimum

Operating Temperature:-40°C ~ 105°C (TJ)

Mounting Type:Surface Mount

Package / Case:SC-70, SOT-323

Supplier Device Package:SC-70-3 (SOT323)

Ⅲ.MAX810SQ463T1G Main Characteristics

Targeted Reset Functionality:Classified as a simple reset/power-on reset device, it triggers reset signals precisely when power supply voltages drop below the predefined threshold (4.63V), safeguarding system integrity during power anomalies.

Reliable Reset Timeout:Features a minimum reset timeout of 140ms, ensuring that the system has sufficient time to stabilize before resuming operation, thus avoiding premature or incomplete reset cycles.

Wide Temperature Tolerance:Operates efficiently within a temperature range of -40°C to 105°C (TJ), making it suitable for harsh environmental conditions, such as industrial control systems or automotive electronics (where temperature fluctuations are common).

Compact Surface-Mount Design:Utilizes surface-mount mounting type with SC-70 (SOT-323) packages (specifically SC-70-3 from suppliers), enabling space-saving integration into miniaturized electronic devices and PCBs with limited real estate.

Industrial-Grade Packaging:Supplied in Tape & Reel packaging, which facilitates automated assembly processes, reduces handling errors, and ensures consistent component quality during mass production.

Ⅳ.MAX810SQ463T1G Application 

Legacy Industrial Control Systems:Used in older industrial automation equipment (e.g., programmable logic controllers, sensor modules) to monitor power supplies and trigger resets, preventing data corruption or equipment damage due to voltage dips.

Embedded Systems Development:Used as a reference component in educational or R&D projects focused on understanding power management and reset circuit design, helping engineers learn the fundamentals of supervisor IC operation.

Medical Equipment (Legacy Models):Incorporated into older medical devices (e.g., basic diagnostic tools or patient monitoring equipment) where reliable power supervision is critical to ensure device accuracy and patient safety.

Ⅴ.Conclusion

The MAX810SQ463T1G, despite being an obsolete supervisor IC from onsemi, remains a noteworthy component in the context of power management and system stability. Its well-defined parameters—including a 4.63V threshold voltage, 140ms minimum reset timeout, and wide temperature range—along with its compact form factor, made it a reliable choice for a range of applications, from industrial control to legacy automotive and consumer electronics.