TPS92391RHBR TI
TPS92391RHBR TI
1 Features
• Input voltage operating range 3 V to 48 V
• Six high-precision current sinks
– Up to 200-mA DC current for each current sink
– Current matching 1% (typical)
– Dimming ratio 32 000:1 using 152-Hz LED
output PWM frequency
– Up to 16-bit LED dimming resolution with I2C,
or PWM input
– 8 Configurable LED strings configuration
• Auto-phase shift PWM dimming
• 12-bit Analog dimming
• Switching frequency 100 kHz to 2.2 MHz
• Boost spread spectrum for reduced EMI
• Boost sync input to set boost switching frequency
from an external clock
• Up to 48-V V
OUT
boost or SEPIC DC/DC controller
– Switching frequency 100 kHz to 2.2 MHz
– Boost spread spectrum for reduced EMI
– Boost sync input to set boost switching
frequency from an external clock
• Extensive fault diagnostics
1 Features
• Input voltage operating range 3 V to 48 V
• Six high-precision current sinks
– Up to 200-mA DC current for each current sink
– Current matching 1% (typical)
– Dimming ratio 32 000:1 using 152-Hz LED
output PWM frequency
– Up to 16-bit LED dimming resolution with I2C,
or PWM input
– 8 Configurable LED strings configuration
• Auto-phase shift PWM dimming
• 12-bit Analog dimming
• Switching frequency 100 kHz to 2.2 MHz
• Boost spread spectrum for reduced EMI
• Boost sync input to set boost switching frequency
from an external clock
• Up to 48-V V
OUT
boost or SEPIC DC/DC controller
– Switching frequency 100 kHz to 2.2 MHz
– Boost spread spectrum for reduced EMI
– Boost sync input to set boost switching
frequency from an external clock
• Extensive fault diagnostics
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