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Details for TPS61194EVM by Texas Instruments
Development Boards Evaluation Tools > Power Management Development Kits > Power Management Development Kits - DC / DC
EVAL BOARD TPS61194 4-CH LED DRIVER
TPS61194EVM image

TPS61194EVM by Texas Instruments

EVAL BOARD TPS61194 4-CH LED DRIVER
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 Information
TPS61194EVM image
RoHS Compliant
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.
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)
Alternate Descriptions
TPS61194 4-Channel LED Driver Evaluation Module Avnet America