Overview
| Package | Htssop (Pwp) | Pins | 22 |
| Rohs | Yes | Reach | Yes |
| Lead Finish/Ball Material | Nipdau | Msl Rating/Peak Reflow | Level-2-260c-1 Year |
Product Details
Features for the TPS61194-Q1
Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: Device Temperature Grade 1: –40°C to +125°C Ambient OperatingTemperature 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 mA per Channel Outputs can be Combined 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 kHz 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 Components Description for the TPS61194-Q1
The TPS61194-Q1 is an automotive high-efficiency, low-EMI, easy-to-use LED driver with integrated DC-DC converter. The DC-DC converter supports both boost and SEPIC mode operation. The device has four high-precision current sinks that can be combined for higher current capability.
The DC-DC converter has adaptive output voltage control based on the LED current sink headroom voltages. This feature minimizes the power consumption by adjusting the voltage to the lowest sufficient level in all conditions. For EMI reduction DC-DC supports spread spectrum for switching frequency and an external synchronization with dedicated pin.A wide-range adjustable frequency allows the TPS61194-Q1 to avoid disturbance for AM radio band.
The input voltage range for the TPS61194-Q1 is from 4.5 V to 40V to support automotive stop/start and load dump condition. The TPS61194-Q1 integrates extensive fault detection features.
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