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DATA SHEET
TPS61193 High-Performance Three-Channel LED Driver
1 Features
- 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
- Thermal shutdown
- Minimum number of external components
2 Applications
- Industrial backlighting systems
in control panels
- Industrial PC
- Test and measurement
equipment
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