TI Offers Boost Controller To Drive 1–5W High-Brightness LEDs

Texas Instruments Inc. (TI) introduced a 4.5 to 52V wide-input voltage, non-synchronous boost controller, intended for applications where the output is a regulated current instead of a regulated voltage. The new TPS40211 is said to allow designers to efficiently manage LED lighting, industrial control and battery-powered systems.

The TPS40211 is said to efficiently drive high-power LEDs when the input voltage is less than the voltage to turn on the LEDs. The LED driver is designed to power multiple 1 to 5W high-brightness LEDs in a series, and features a programmable closed soft start, over current protection with automatic retry and a programmable oscillator frequency. The device’s fixed frequency current mode control are said to provide improved transient response and simplified loop compensation. Designers have the flexibility to use the TPS40211 for boost, flyback, SEPIC and various LED driver topologies.

The TPS40211 is offered in a 10-pin PowerPAD™ and a 10-pin SON package, and suggested resale price is $1.40 in 100-unit quantities.