TPS92691

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS92691, TPS92691-Q1 SLVSD68 – DECEMBER 2015 TPS92691/-Q1 Multi-Topology LED Driver With Rail-to-Rail Current Sense Amplifier 1 Features 1 Wide Input Voltage: 4.5 V to 65 V Wide Output Voltage Range: 2 V to 65 V Low Input Offset Rail-to-Rail Current Sense Amplifier – Better than ±3% LED Current Accuracy over 25°C to 140°C Junction Temperature Range – Compatible With High-Side and Low-Side Current Sense Implementations High-Impedance Analog LED Current Adjust Input (IADJ) With over 15:1 Contrast Ratio Over 1000:1 Series FET PWM Dimming Ratio With Integrated Series N-Channel Dim Driver Interface Continuous LED Current Monitor Output for System Fault Detection and Diagnoses Programmable Switching Frequency With External Clock Synchronization Capability Programmable Soft-Start and Slope Compensation Comprehensive Fault Protection Circuitry Including VCC Undervoltage Lockout (UVLO), Output Overvoltage Protection (OVP), Cycle-byCycle Switch Current Limit, and Thermal Protection TPS92691-Q1: Automotive Q100 Grade 1 Qualified 3 Description The TPS92691/-Q1 is a versatile LED controller that can support a range of step-up or step-down driver topologies. The device implements a fixed-frequency peak current mode control technique with programmable switching frequency, slope compensation, and soft-start timing. It incorporates a high voltage (65-V) rail-to-rail current sense am...