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TPS61193

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Low-EMI, high-performance 3-channel LED driver

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Data sheet

TPS61193

ACTIVE
Data sheet Order now

Product details

Number of channels 3 Topology Boost Rating Catalog Operating temperature range (°C) -40 to 85 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 6 Vout (max) (V) 45 Iout (max) (A) 0.3 Iq (typ) (mA) 5 Switching frequency (max) (kHz) 2200 Features Adjustable Switch Frequency, Global dimming, Integrated Switch
Number of channels 3 Topology Boost Rating Catalog Operating temperature range (°C) -40 to 85 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 6 Vout (max) (V) 45 Iout (max) (A) 0.3 Iq (typ) (mA) 5 Switching frequency (max) (kHz) 2200 Features Adjustable Switch Frequency, Global dimming, Integrated Switch
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • 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

    space
  • 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

    space

The TPS61193 is a high-efficiency, low-EMI, easy-to-use LED driver with flexibility to support a wide range of applications. It has three high-precision current sinks that can be combined for higher current capability.

The TPS61193 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 TPS61193 has wide input voltage range from 4.5 V to 40 V for robust support of different types of applications. The TPS61193 integrates extensive fault detection features. The device supports PWM brightness dimming ratio of 10 000:1 for 100-Hz input PWM frequency.

The TPS61193 is a high-efficiency, low-EMI, easy-to-use LED driver with flexibility to support a wide range of applications. It has three high-precision current sinks that can be combined for higher current capability.

The TPS61193 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 TPS61193 has wide input voltage range from 4.5 V to 40 V for robust support of different types of applications. The TPS61193 integrates extensive fault detection features. The device supports PWM brightness dimming ratio of 10 000:1 for 100-Hz input PWM frequency.
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Technical documentation

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* Data sheet TPS61193 High-Performance Three-Channel LED Driver datasheet (Rev. C) PDF | HTML 25 Feb 2021
Application note Some Guidelines and Tips for the LED Driver Application 14 Aug 2019
User guide Using the TPS61193/Q1 Evaluation Module 09 Oct 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS61193EVM — TPS61193 3-Channel LED Driver Evaluation Module

The TPS61193EVM evaluation module (EVM) helps designers evaluate the operation and performance of this device.  The  TPS61193EVM uses the TPS61193 to drive up to 3 LED strings (up to 12 LEDs each, 36 LEDs together) for LCD backlighting with high efficiency.  Information about output (...)

User guide: PDF
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Simulation model

TPS61193 Boost and SEPIC Unencrytped PSpice Transient Model Package (Rev. B)

SNVMAY8B.ZIP (161 KB) - PSpice Model
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Simulation model

TPS61193 TINA-TI Boost Startup Reference Design

SNVMB78.TSC (337 KB) - TINA-TI Reference Design
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Simulation model

TPS61193 TINA-TI Boost Steady State Reference Design

SNVMB77.TSC (339 KB) - TINA-TI Reference Design
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Simulation model

TPS61193 TINA-TI SEPIC Startup Reference Design

SNVMB81.TSC (305 KB) - TINA-TI Reference Design
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Simulation model

TPS61193 TINA-TI SEPIC Steady State Reference Design

SNVMB80.TSC (279 KB) - TINA-TI Reference Design
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Simulation model

TPS61193 TINA-TI Transient Spice Model

SNVMB79.ZIP (55 KB) - TINA-TI Spice Model
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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