The TPS92510 is a 60-V, 1.5-A peak current-mode step-down converter with an integrated
high-side MOSFET. It is specifically designed for driving high-brightness LEDs with a constant
current. The tight-tolerance, 200-mV internal reference voltage reduces power dissipation in the
current-sense resistor. A dedicated pulse width modulation input pin allows linear control of the
The TPS92510 integrates a thermal foldback feature that reduces the average output
current to ensure that the sensed LED temperature never exceeds a specific value, improving the
reliability of the overall system. An integrated frequency synchronization feature allows a
reduction of unwanted beat- frequencies in multi-string applications and simplifies EMI filtering.
The adjustable input voltage UVLO feature accommodates the various deep discharge levels of
multiple battery types.
The TPS92510 includes cycle-by-cycle overcurrent protection, and
thermal shutdown protection. It is available in a 10-pin MSOP PowerPAD™ package.
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