DESCRIPTION

· The TS19320CS is a phase-cut dimmable constant current control IC with active power factor correction for LED lighting.
· Configurable as an isolated Flyback controller or non-isolated Buck-Boost converter.
· Compatible with leading-edge and trailing-edge TRIAC dimmers.
· Achieves high power factor and low THD with constant current accuracy <±5% using BCM operation.
· Includes built-in protection circuits like gate voltage clamping, OTP, OVP, and open/short circuit protection.

FEATURES

· Constant current accuracy <±5%.
· Flyback or Buck-Boost operation without photocoupler.
· Compatible with 120/230V AC lamps.
· Boundary-mode PFC operation.
· Built-in active power factor correction.
· High voltage (500V) startup circuit.
· Open-LED demagnetization protection.
· VCC over-voltage protection.
· Over-temperature protection.
· Shorted-LED protection.
· Cycle-by-cycle current limit.
· Gate drive voltage clamping.
· RoHS and WEEE compliant.
· Halogen-free according to IEC 61249-2-21.

APPLICATIONS

· LED lighting.
· Down lights, tube lamps, PAR lamps, bulbs.