TPS61194-Q1
TPS61194-Q1 is Low-EMI Automotive LED Driver manufactured by Texas Instruments.
Features
- 1 Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1:
- 40°C to +125°C Ambient Operating Temperature Range
- Input Voltage Operating Range 4.5 V to 40 V
- Four 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 per String
- High Dimming Ratio of 10 000:1 at 100 Hz
- Integrated Boost/SEPIC Converter 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 and UVLO
- Open and Shorted LED Fault Detection
- Thermal Shutdown
- Minimum Number of External ponents
VIN 4 40 V
Simplified Schematic
L1
D1
VOUT up to 45 V
CIN COUT
R2
R1
FB VIN
BRIGHTNESS EN
CLDO RFSET
TPS61194-Q1 OUT1...