BM1Z103FJ-E2

Overview

The BM1Z103FJ-E2 is an AC voltage zero-cross detection IC manufactured by ROHM Semiconductor. It operates within a supply voltage range of 10 V to 28 V and draws a typical operating supply current of 160 uA. The device is housed in an SOP-J11 package and supports both normal and double rectification modes. It features thermal shutdown and under-voltage lockout protection, functioning reliably across an operating temperature range from -40°C to +105°C.

Feature Summary

• Integrates AC zero-cross detection functionality to eliminate the need for external photocouplers
• Supports both normal and double rectification configurations for versatile power application designs
• Includes high-voltage monitoring capabilities with n-channel open-drain output

Applications

• Household appliances requiring AC power synchronization
• Air conditioning systems utilizing AC input monitoring
• Washing machines needing zero-cross timing control

Procurement Notes

Verify the specific suffix E2 against the manufacturer's latest documentation to confirm pinout compatibility and RoHS status. Ensure the SOP-J11 package dimensions match the target PCB footprint. Confirm that the 10 V to 28 V input range aligns with the system's operational voltage requirements before finalizing procurement orders.

Selection Notes

Select this component when designing AC-powered circuits that require precise zero-crossing detection without the complexity of discrete optocoupler solutions. It is suitable for applications demanding low standby current and high reliability in household appliance environments. Consider the SOP-J11 package constraints during layout planning.

Part Context

This part belongs to the BM1Z series of specialized PMICs designed for AC voltage monitoring. It replaces traditional discrete solutions involving photocouplers, reducing component count and board space. The series is tailored for consumer electronics where energy efficiency and compact design are critical priorities.

Replacement Considerations

BM1Z012FJ-E2 and BM1Z001FJ-E2 are related zero-cross detection ICs from the same manufacturer. Verify package compatibility and specific functional differences before substitution.