TPS61193
TPS61193 is High-Performance Three-Channel LED Driver manufactured by Texas Instruments.
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 m A per channel
- Outputs can be bined 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 k Hz 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 ponents space
VIN 4 40 V
L1
D1
VOUT up to 45 V
CIN COUT
R2
R1
BRIGHTNESS EN
CLDO RFSET
FSET
SYNC
VDDIO/EN FAULT
FB OUT1 OUT2 OUT3
ISET
PGND GND PAD
CFB Up to 100 m A/string
RISET
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