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Documents TPS61193
SNVSAF4B – OCTOBER 2015 – REVISED JUNE 2017 TPS61193 High-Performance Three-Channel LED Driver
1 Features 2 Applications Input Voltage Operating Range 4.5 V to 40 V
Three High-Precision Current Sinks
– Current Matching 1% (Typical)
– LED String Current up to 100 mA per Channel
– Outputs can be Combined Externally for
Higher Current Capability
High Dimming Ratio of 10 000:1 at 100 Hz
Integrated Boost/SEPIC for LED String Power
– Output Voltage up to 45 V
– Switching Frequency 300 kHz to 2.2 MHz
– Switching Synchronization Input
– Spread Spectrum for Lower EMI
Extensive Fault Detection Features
– Fault Output
– Input Voltage OVP, UVLO, and OCP
– Open and Shorted LED Fault Detection …
