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TPS61193-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS61193-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page TPS61193-Q1 FB PWM OUT1 OUT2 OUT3 L1 D1 VOUT up to 45 V VIN 4.5...40 V COUT CIN RISET Up to 100 mA/string SW LDO FSET VDDIO/EN SYNC PGND GND PAD VIN ISET FAULT EN BRIGHTNESS RFSET CLDO R1 R2 CFB Brightness (%) 0 10 20 30 40 50 60 70 80 90 100 50 55 60 65 70 75 80 85 90 95 100 D001 VIN=5V VIN=8V VIN=12V VIN=16V Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61193-Q1 SNVSAC7 – OCTOBER 2015 TPS61193-Q1 High-Performance 3-Channel LED Driver for Automotive Lighting 1 Features 2 Applications Automotive Infotainment, Instrument Clusters, and 1 • Qualified for Automotive Applications Backlighting Systems • AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: -40°C to 125°C 3 Description Ambient Operating Temperature Range The TPS61193-Q1 is an automotive high-efficiency, – Device HBM ESD Classification Level 2 low-EMI, easy-to-use LED driver with integrated DC- DC converter. DC-DC converter supports both boost – Device CDM ESD Classification Level C4B and SEPIC mode operation. Device has three high- • Input Voltage Operating Range 4.5 V to 40 V precision current sinks that can provide high dimming • Three High-Precision Current Sinks ratio brightness control with a PWM input signal. – Current Matching 1% (typical) The DC-DC converter has adaptive output voltage – Output Current up to 100 mA per Channel control based on the LED current sink headroom – Outputs can be combined externally for higher voltages. This feature minimizes the power consumption by adjusting the voltage to the lowest current per string sufficient level in all conditions. DC-DC supports • High Dimming Ratio 10 000:1 at 200 Hz spread spectrum for switching frequency and an • Integrated DC-DC for LED String Power external synchronization with dedicated pin. The high – Boost and SEPIC modes supported switching frequency allows the TPS61193-Q1 to avoid disturbance for AM radio band. – Output Voltage up to 45 V The input voltage range for the TPS61193-Q1 is from – Switching Frequency 300 kHz to 2.2 MHz 4.5 V to 40 V to support automotive stop/start and • EMI Minimization load dump condition. The device supports PWM – DC-DC Synchronization Input brightness dimming ratio 10 000:1 for 200-Hz input – Spread Spectrum Option PWM frequency. The TPS61193-Q1 integrates extensive fault detection features. • Extensive Fault Detection Features – Fault Output Device Information(1) – Input Voltage OVP and UVLO PART NUMBER PACKAGE BODY SIZE (NOM) – Open and Shorted LED Fault Detection TPS61193-Q1 HTSSOP (20) 6.50 mm × 4.40 mm – Thermal Shutdown (1) For all available packages, see the orderable addendum at the end of the data sheet. • Minimum Number of External Components space space Simplified Schematic System Efficiency 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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