TPS61194EVM Part Information

Details for TPS61194EVM by Texas Instruments

Development Boards Evaluation Tools > Power Management Development Kits > Power Management Development Kits - DC / DC

Buy TPS61194EVM Directly from Texas Instruments (20 in stock) at $79.0000

Part Description

The TPS61194 is a high-efficiency, low-EMI, easy-touse LED driver with flexibility to support a wide range of applications. It has four high-precision current sinks that can be combined for higher current capability per string. The device provides high dimming ratio 10 000:1 for up to 200 Hz input PWM frequency. The TPS61194 has an integrated DC-DC supporting both boost and SEPIC mode operation. The 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 lowest sufficient level in all conditions. For EMI control the DC-DC converter supports spread spectrum for switching frequency and an external synchronization with dedicated pin. The TPS61194 has wide input voltage range from 4.5 V to 40 V for robust support of different types of applications. The TPS61194 integrates extensive fault detection features.

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Part Features

  • EMI Minimization u2013 DC-DC Synchronization Input u2013 Spread Spectrum Option
  • Extensive Fault Detection Features u2013 Fault Output u2013 Input Voltage OVP and UVLO u2013 Open and Shorted LED Fault Detection u2013 Thermal Shutdown
  • Four High-Precision Current Sinks u2013 Current Matching 1% (Typical) u2013 Output Current up to 100 mA per Channel u2013 Outputs can be Combined Externally for Higher Current per String
  • High Dimming Ratio 10 000:1 at 200 Hz
  • Input Voltage Operating Range 4.5 V to 40 V
  • Integrated DC-DC for LED String Power u2013 Boost and SEPIC Modes Supported u2013 Output Voltage up to 45 V u2013 Switching Frequency 300 kHz to 2.2 MHz
  • Minimum Number of External Components

Part Specifications

Device Topology Boost SEPIC
No. of Outputs 4Outputs
Output Current 100mA
Output Voltage 45V
Input Voltage Min 4.5V
Input Voltage Max 40V
Core Chip TPS61194
Dimming Control Type PWM
Kit Contents Eval Board TPS61194
Product Range -
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • EVAL BOARD, TPS61194 4-CH LED DRIVER | Newark Electronics
  • TPS61194 4-Channel LED Driver Evaluation Module | Texas Instruments

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