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TPS922055

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65-V, 4-A buck LED driver with inductive fast dimming and spread spectrum

Product details

Input voltage type DC/DC Topology Buck Vin (min) (V) 4.5 Vin (max) (V) 65 Vout (max) (V) 63 Vout (min) (V) 0 Iout (max) (A) 4 Iq (typ) (mA) 2 Features Cycle-by-cycle over-current protection, Fault output, Integrated Switching FET, LED Open Detection, LED Short Detection, Programable Switching Frequency, Spread Spectrum, Thermal Foldback, Thermal shutdown Operating temperature range (°C) -55 to 125 Dimming method Analog, PWM, Hybrid, Flexible Number of channels 1 Rating Catalog
Input voltage type DC/DC Topology Buck Vin (min) (V) 4.5 Vin (max) (V) 65 Vout (max) (V) 63 Vout (min) (V) 0 Iout (max) (A) 4 Iq (typ) (mA) 2 Features Cycle-by-cycle over-current protection, Fault output, Integrated Switching FET, LED Open Detection, LED Short Detection, Programable Switching Frequency, Spread Spectrum, Thermal Foldback, Thermal shutdown Operating temperature range (°C) -55 to 125 Dimming method Analog, PWM, Hybrid, Flexible Number of channels 1 Rating Catalog
VSON (DMT) 14 13.5 mm² 4.5 x 3 WSON (DRR) 12 9 mm² 3 x 3
  • 4.5-V to 65-V wide input range
  • LED common anode connection
  • Integrated 150-mΩ MOSFET with typical 3-A / 6-A current limit
  • Optional switching frequency: 100 kHz to 2.2 MHz
  • Spread spectrum for TPS922053 and TPS922055
  • Advanced dimming options:
    • Analog dimming (256:1)
    • Fast PWM dimming (150-ns pulse width)
    • Hybrid and flexible dimming (2,000:1 at 20-kHz PWM, 10,000:1 at 4-kHz PWM, 1,000,000:1 at 120-Hz PWM)
  • CC / CV charging mode
  • Full protection features:
    • LED open and short protection
    • Switching FET open and short protection
    • External component failure protection
    • Cycle-by-cycle current limit
    • Thermal shutdown
    • Fault output (open drain)
  • Configurable thermal foldback curve
  • VSON, WSON and SOT23 package options
  • 4.5-V to 65-V wide input range
  • LED common anode connection
  • Integrated 150-mΩ MOSFET with typical 3-A / 6-A current limit
  • Optional switching frequency: 100 kHz to 2.2 MHz
  • Spread spectrum for TPS922053 and TPS922055
  • Advanced dimming options:
    • Analog dimming (256:1)
    • Fast PWM dimming (150-ns pulse width)
    • Hybrid and flexible dimming (2,000:1 at 20-kHz PWM, 10,000:1 at 4-kHz PWM, 1,000,000:1 at 120-Hz PWM)
  • CC / CV charging mode
  • Full protection features:
    • LED open and short protection
    • Switching FET open and short protection
    • External component failure protection
    • Cycle-by-cycle current limit
    • Thermal shutdown
    • Fault output (open drain)
  • Configurable thermal foldback curve
  • VSON, WSON and SOT23 package options

The TPS92205x family is a 2-A / 4-A non-synchronous Buck LED driver with 4.5-V to 65-V wide input range. By integrating the low-side NMOS switch, the device is capable of driving LEDs as well as charging batteries with high power density and high efficiency. The family also supports common anode connection and single layer PCB design. The switching frequency is configurable from 100 kHz to 2.2 MHz with optional spread spectrum feature for better EMI performance.

The TPS92205x family supports four dimming options, including analog, PWM, hybrid and flexible dimming. Each dimming method can be configured through the PWM and ADIM input pins by means of simple high and low signals. The family adopts an adaptive off-time current mode control along with smart and accurate sampling to enable inductive fast dimming (IFD) and achieve high dimming accuracy.

The TPS92205x family also provides multiple systematic protections, including LED open and short, sense resistor open and short , configurable thermal foldback and thermal shutdown. A Fault output sends out acknowledge signals as soon as any fault condition is detected.

The TPS92205x family is a 2-A / 4-A non-synchronous Buck LED driver with 4.5-V to 65-V wide input range. By integrating the low-side NMOS switch, the device is capable of driving LEDs as well as charging batteries with high power density and high efficiency. The family also supports common anode connection and single layer PCB design. The switching frequency is configurable from 100 kHz to 2.2 MHz with optional spread spectrum feature for better EMI performance.

The TPS92205x family supports four dimming options, including analog, PWM, hybrid and flexible dimming. Each dimming method can be configured through the PWM and ADIM input pins by means of simple high and low signals. The family adopts an adaptive off-time current mode control along with smart and accurate sampling to enable inductive fast dimming (IFD) and achieve high dimming accuracy.

The TPS92205x family also provides multiple systematic protections, including LED open and short, sense resistor open and short , configurable thermal foldback and thermal shutdown. A Fault output sends out acknowledge signals as soon as any fault condition is detected.

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Technical documentation

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Type Title Date
* Data sheet TPS92205x 65-V 2-A / 4-A Buck LED Driver with Inductive Fast Dimming datasheet (Rev. A) PDF | HTML 12 Sep 2023
EVM User's guide TPS922055EVM 65-V, 2-A/4-A Buck LED Driver Evaluation Module (Rev. A) PDF | HTML 05 Jun 2023
Certificate TPS922055DMTREVM EU RoHS Declaration of Conformity (DoC) 10 Jan 2023
Certificate TPS922055DRRREVM EU RoHS Declaration of Conformity (DoC) 10 Jan 2023

Design & development

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

Evaluation board

TPS922053DYYREVM — TPS922053 evaluation module for 65-V, 2-A buck LED driver in SOT-23-THN package

The TPS922053DYYREVM helps the user evaluate the features of the buck LED driver TPS922053 in SOT-23-THN package. The TPS922053 is a 2-A non-synchronous buck LED driver with 4.5-V to 65-V wide-input voltage range, inductive fast dimming (IFD) and spread spectrum.

User guide: PDF | HTML
Not available on TI.com
Evaluation board

TPS922055DMTREVM — TPS922055 evaluation module for 65-V, 4-A buck LED driver in VSON package

The TPS922055DMTREVM helps the user evaluate the features of the TPS922055 buck LED driver in a VSON package. The TPS922055 is a 4-A non-synchronous buck LED driver with 4.5-V to 65-V wide input voltage range, inductive fast dimming (IFD) and spread spectrum.

User guide: PDF | HTML
Not available on TI.com
Evaluation board

TPS922055DRRREVM — TPS922055 evaluation module for 65-V, 4-A buck LED driver in WSON package

The TPS922055DRRREVM helps the user evaluate the features of the buck LED driver TPS922055 in WSON package. The TPS922055 is a 4-A non-synchronous buck LED driver with 4.5-V to 65-V wide input voltage range, inductive fast dimming (IFD) and spread spectrum.
User guide: PDF | HTML
Not available on TI.com
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 (...)
Package Pins Download
VSON (DMT) 14 View options
WSON (DRR) 12 View options

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