What the HA16116FPJ is and where it fits
The Renesas HA16116FPJ is a switching controller — a PWM control IC intended for use in AC-DC and DC-DC converter stages where a dedicated controller handles the switch timing, feedback loop, and protection functions. As a switching controller, it sits between the power stage and the control logic, regulating output voltage or current by modulating the duty cycle of an external power switch (typically a MOSFET or IGBT). Typical applications include off-line power supplies, battery chargers, industrial power converters, and auxiliary bias supplies where a standalone controller is preferred over an integrated switcher for thermal or layout flexibility.
Lifecycle and compliance — the sourcing reality
However, the RoHS non-compliant designation is a hard constraint — this part contains lead (Pb) in the solder finish or die attach and cannot be used in assemblies requiring full RoHS exemption-free compliance. For designs that accept lead-bearing solder (e.g., high-reliability, military, or certain industrial sectors with exemptions), the HA16116FPJ is a straightforward fit. For RoHS-mandated BOMs, a lead-free alternate must be sourced.
Package and handling note
The HA16116FPJ is listed with a package type of Bulk.