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TPS92550

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Micromódulo de controlador LED reductor de corriente constante de 450 mA y 14 W

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TPS92550

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Detalles del producto

Input voltage type DC/DC Topology Buck Vin (min) (V) 4.5 Vin (max) (V) 36 Vout (max) (V) 34 Vout (min) (V) 0.2 Iout (max) (A) 0.45 Iq (typ) (mA) 2.35 Features Enable/Shutdown, Integrated Switch, Thermal shutdown Operating temperature range (°C) -40 to 125 Dimming method Analog, PWM Number of channels 1 Rating Catalog
Input voltage type DC/DC Topology Buck Vin (min) (V) 4.5 Vin (max) (V) 36 Vout (max) (V) 34 Vout (min) (V) 0.2 Iout (max) (A) 0.45 Iq (typ) (mA) 2.35 Features Enable/Shutdown, Integrated Switch, Thermal shutdown Operating temperature range (°C) -40 to 125 Dimming method Analog, PWM Number of channels 1 Rating Catalog
TO-PMOD (NDW) 7 139.9032 mm² 10.16 x 13.77
  • Integrated all Power Components Including the Power Inductor
  • Wide Input Voltage Range : 4.5V–36V
  • Constant Switching Frequency at 400kHz
  • High Contrast Ratio (Minimum dimming current pulse width < 16µs)
  • Drives up to 10 LEDs in Series at 36V Input
  • ±3.6% Typical LED Current Accuracy
  • LED Current Adjustable from 300mA to 450mA
  • Up to 96% Efficiency
  • TPS92550 Modules can be Connected in Parallel for Higher Current Operation
  • Input Under-Voltage Lock-Out (UVLO)
  • Compatible with Ceramic and Low ESR Capacitors
  • Low Electro Magnetic Interference(EMI) Complies with EN55015 Standard EN55015, refer to and
  • LED Open and Short Circuit Protections
  • Thermal Shutdown and RoHS Compliant
  • –40°C to +125˚C Junction Temperature Range

Package Highlights

  • 7 Lead Easy-to-use Package (Similar to TO-263)
  • Single Exposed Die Attach Pad for Enhancing Thermal Performance
  • 10.2 x 13.8 x 4.6 mm Package

All trademarks are the property of their respective owners.

  • Integrated all Power Components Including the Power Inductor
  • Wide Input Voltage Range : 4.5V–36V
  • Constant Switching Frequency at 400kHz
  • High Contrast Ratio (Minimum dimming current pulse width < 16µs)
  • Drives up to 10 LEDs in Series at 36V Input
  • ±3.6% Typical LED Current Accuracy
  • LED Current Adjustable from 300mA to 450mA
  • Up to 96% Efficiency
  • TPS92550 Modules can be Connected in Parallel for Higher Current Operation
  • Input Under-Voltage Lock-Out (UVLO)
  • Compatible with Ceramic and Low ESR Capacitors
  • Low Electro Magnetic Interference(EMI) Complies with EN55015 Standard EN55015, refer to and
  • LED Open and Short Circuit Protections
  • Thermal Shutdown and RoHS Compliant
  • –40°C to +125˚C Junction Temperature Range

Package Highlights

  • 7 Lead Easy-to-use Package (Similar to TO-263)
  • Single Exposed Die Attach Pad for Enhancing Thermal Performance
  • 10.2 x 13.8 x 4.6 mm Package

All trademarks are the property of their respective owners.

The TPS92550 Constant Current Buck LED Driver Micro-Module drives maximum 450mA LED current up to 10 LEDs in a single string (maximum 14W). It integrates all the power components including the power inductor. The TPS92550 provides a full turn-key, highly efficient solution for wide range of single string LED lighting applications with up to 96% power efficiency. It accepts an input voltage ranging from 4.5V to 36V and delivers a 350mA LED current as default. The LED current is adjustable from 300mA to 450mA by changing a single external resistor.

The module operates at constant switching frequency (400kHz) with low Electro Magnetic Interference (EMI) complying with EN55015 standard. The module has fast control loop to realize fine LED current pulse yielding 256–step PWM dimming resolution at 240Hz for general lighting. Protection feature include thermal shutdown, input under-voltage lockout, LED open-circuit and short-circuit protections. The TPS92550 Micro-Module is available in 7-pin PFM power package.

The TPS92550 Constant Current Buck LED Driver Micro-Module drives maximum 450mA LED current up to 10 LEDs in a single string (maximum 14W). It integrates all the power components including the power inductor. The TPS92550 provides a full turn-key, highly efficient solution for wide range of single string LED lighting applications with up to 96% power efficiency. It accepts an input voltage ranging from 4.5V to 36V and delivers a 350mA LED current as default. The LED current is adjustable from 300mA to 450mA by changing a single external resistor.

The module operates at constant switching frequency (400kHz) with low Electro Magnetic Interference (EMI) complying with EN55015 standard. The module has fast control loop to realize fine LED current pulse yielding 256–step PWM dimming resolution at 240Hz for general lighting. Protection feature include thermal shutdown, input under-voltage lockout, LED open-circuit and short-circuit protections. The TPS92550 Micro-Module is available in 7-pin PFM power package.
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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS92550 450mA 14W Const Current Buck LED Driver Micro-Module datasheet (Rev. C) 01 may 2013
White paper Common LED Functions and LED Driver Design Considerations 21 sep 2020
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
User guide AN-2208 TPS92550 450mA 36V LED Driver Micro-Module Eval Board (Rev. A) 01 may 2013

Diseño y desarrollo

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TPS92550EVM — Módulo de evaluación TPS92550EVM

The TPS92550 Constant Current Buck LED Driver Micro-Module drives maximum 450mA LED current up to 10 LEDsin a single string (maximum 14W). It integrates all the powercomponents including the power inductor. The TPS92550provides a full turn-key , highly efficient solution for wide rangeof single (...)

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Modelo de simulación

TPS92550 PSpice Transient Model

SNVM031.ZIP (129 KB) - PSpice Model
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Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

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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