TPS61193-Q1 Low-EMI, High-Performance 3-Channel LED Driver for Automotive Lighting | TI.com

TPS61193-Q1
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Low-EMI, High-Performance 3-Channel LED Driver for Automotive Lighting

 

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Description

The TPS61193-Q1 is an automotive high-efficiency, low-EMI, easy-to-use LED driver with an integrated DC-DC converter. The DC-DC converter supports both boost and SEPIC mode operation. The device has three 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-rage adjustable frequency allows the TPS61193-Q1 to avoid disturbance for AM radio bands.

The input voltage range for the TPS61193-Q1 is from 4.5 V to 40 V to support automotive stop/start and load dump condition. The TPS61193-Q1 integrates extensive fault detection features.

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
  • 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 mA per Channel
    • Outputs can be Combined 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 kHz 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 Components

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Parametrics

Compare all products in Automotive LED drivers Email Download to Excel
Part number Order Topology Channels (#) Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Iq (Typ) (mA) LED current per channel (mA) Switching frequency (Max) (kHz) Operating temperature range (C) Features Applications Package Group Package size: mm2:W x L (PKG) Rating
TPS61193-Q1 Order now Boost
Sepic    
3     4.5     40     6     45     0.1     5     100     2200     -40 to 125     Boost Sync
Spread Spectrum    
Backlight     HTSSOP | 20     20HTSSOP: 42 mm2: 6.4 x 6.5 (HTSSOP | 20)     Automotive    
LP8860-Q1 Order now Boost Controller     4     3     48     2     48     0.6     2.5     150     2200     -40 to 125     Adjustable Switch Frequency
Boost Sync
Fault Diagnostic
Hybrid Dimming/Phase Shift
I2C Control
Spread Spectrum    
Backlight
Dome
Foot Well    
HLQFP | 32     32HLQFP: 81 mm2: 9 x 9 (HLQFP | 32)     Automotive    
LP8861-Q1 Order now Boost
Sepic    
4     4.5     40     7     40     0.4     5     100     2200     -40 to 125     Adjustable Switch Frequency
Boost Sync
Fault Detection
Power-Line FET
Sepic Sync
Spread Spectrum
Temperature Compensation    
Backlight
Dome
Foot Well    
HTSSOP | 20     20HTSSOP: 42 mm2: 6.4 x 6.5 (HTSSOP | 20)     Automotive    
LP8862-Q1 Order now Boost
Sepic    
2     4.5     40     6     45     0.16     5     160     2200     -40 to 125     Adjustable Switch Frequency
Boost Sync
Fault Detection
Power-Line FET
Sepic Sync
Spread Spectrum    
Backlight     HTSSOP | 20     20HTSSOP: 42 mm2: 6.4 x 6.5 (HTSSOP | 20)     Automotive    
LP8863-Q1 Order now Boost Controller
Sepic Controller    
6     3     48     7     48     0.9     15     150     2200     -40 to 125     Adjustable Switch Frequency
Boost Sync
Enable/Shutdown
Fault Diagnostic
Hybrid Dimming/Phase Shift
I2C Control
Power-Line FET
Precision Dimming Control
Soft Start
Spread Spectrum    
Backlight     HTSSOP | 38