TS19501CB10H: AEC‑Q100 LED Driver that Lowers Automotive EMI

The TS19501CB10H, designed by Taiwan Semiconductor, is an AEC‑Q100‑qualified dimmable LED controller featuring spread‑spectrum frequency modulation to suppress electromagnetic interference (EMI) in automotive lighting systems.

Ideal for high‑beam and low‑beam headlights, daytime running lights, and turn‑signal indicators, the chip delivers reliable performance in the demanding automotive environment.

Packaged in a compact MSOP‑10EP footprint, the single‑channel driver offers low‑side current sense and supports continuous‑conduction, discontinuous‑conduction, and boundary‑conduction modes. It provides full protection, diagnostics, and compatibility with boost, buck‑boost, and SEPIC topologies.

Operating across –40 °C to +125 °C, the TS19501CB10H incorporates a 150 mV, ±3.3 % voltage reference and accepts input voltages from 4.5 V to 42 V. Its adjustable switching frequency ranges from 70 kHz to 700 kHz, giving designers flexibility to meet EMI and efficiency targets.

Output current is regulated in average‑current‑mode control, with a fault flag wired to a pull‑up resistor on VDC. The device protects against over‑voltage, over‑current, over‑temperature, and undervoltage lockout, ensuring safe operation.

Available now in stock with sample units on request.

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