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SLVSBM5B – DECEMBER 2012 – REVISED AUGUST 2015 TPS61176 High-Efficiency 6-Channel WLED Driver
Supporting Single-Cell Li-Ion Battery Input
1 Features 3 Description The TPS61176 is an integrated WLED backlight
driver for tablets or notebook PCs using single-cell
batteries. It comprises a high-efficiency boost
converter with an integrated 2-A, 40-V power
MOSFET, and six current sink regulators. The device
can drive up to 60 WLEDs. The boost output voltage
automatically adjusts to the WLED forward voltage to
improve efficiency. 1 2.7-V to 6.5-V VIN Voltage Range
2.7-V to 24-V Boost Input Voltage Range
Integrated 2-A/40-V MOSFET
1-MHz Switching Frequency
Adaptive Boost Output to WLED Voltages
Six Current Sinks of 35 mA Capability Each
В±2% (Maximum) Current Accuracy
1.3% (Typical) Current Matching …
