S-8424AADFT-TB-U

Power Supply Controllers, Monitors Overview

The S-8424AADFT-TB-U is a CMOS integrated circuit designed for battery backup switching circuits. It integrates two voltage regulators, three voltage detectors, and a power supply switch with its controller on a single chip. The device operates within an ambient temperature range of -40 °C to +85 °C. It is housed in an 8-pin TSSOP package (PDSO8). The IC provides fixed threshold outputs and supports primary/backup power supply switching sequences.

Power Supply Controllers, Monitors Feature Summary

• Integrates dual voltage regulators, triple voltage detectors, and a power supply switch controller on a single CMOS chip
• Provides three types of voltage detection output signals corresponding to the power supply voltage for microcontrollers
• Utilizes special sequence control to enable effective utilization of backup power supplies during switching operations

Power Supply Controllers, Monitors Applications

• Primary and backup power supply switching circuits
• Microcontroller system power management configurations
• Battery backup system design

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to ensure correct pinout and electrical characteristics. Confirm RoHS compliance status as datasheet records may vary by revision. Check for lead-free manufacturing specifications required by your assembly process. Ensure the TSSOP-8 footprint matches your PCB layout constraints before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when a single-chip solution for primary-to-backup power switching is required. It is suitable for applications needing integrated voltage regulation and detection without external discrete components. Consider the operating temperature range and package size relative to the target enclosure. Verify that the fixed threshold voltages meet the microcontroller's detection requirements.

Power Supply Controllers, Monitors Part Context

This part belongs to the S-8424A Series from ABLIC Inc., which specializes in CMOS ICs for power supply support. The series is engineered to simplify the design of systems requiring reliable power transition between main and backup sources. It consolidates multiple functions typically requiring separate components into a compact form factor.

Power Supply Controllers, Monitors Replacement Considerations

Direct substitutes include other variants within the S-8424A series such as S-8424AADFT-TB-G or S-8424AABFT-TB, provided the electrical thresholds and package compatibility match the original design requirements.