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TPS92515-Q1

ACTIVO

Controlador LED atenuable PWM de derivación de 2 A y 42 V con NFET integrado y calibración de corrie

Detalles del producto

Number of channels 1 Topology Buck Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 5.5 Vin (max) (V) 42 Vout (min) (V) 0 Vout (max) (V) 39 Iout (max) (A) 2 Iq (typ) (mA) 1 Switching frequency (max) (kHz) 2000 Features Integrated Switch, Precision Dimming Control, Thermal shutdown
Number of channels 1 Topology Buck Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 5.5 Vin (max) (V) 42 Vout (min) (V) 0 Vout (max) (V) 39 Iout (max) (A) 2 Iq (typ) (mA) 1 Switching frequency (max) (kHz) 2000 Features Integrated Switch, Precision Dimming Control, Thermal shutdown
HVSSOP (DGQ) 10 14.7 mm² 3 x 4.9
  • AEC-Q100 Grade 1 Qualified
  • Integrated 290-mΩ (typ) Internal N-Channel FET
  • Input Voltage Range:
    • TPS92515x: 5.5 V to 42 V
    • TPS92515HVx: 5.5 V to 65 V
    • Operation Down to 5.15 V After Start-Up
  • Low Offset High-side Peak Current Comparator
  • Constant Average Current, up to 2 A
  • Inherent Cycle-by-Cycle Current Limit
  • Multiple Dimming Methods
    • 10,000:1 Shunt PWM Dimming Range
    • 1000:1 PWM Dimming Range
    • 200:1 Analog Dimming Range
  • Simple Constant Off-time Control
    • No Loop Compensation
    • Fast Transient Response
  • Thermally Enhanced HVSSOP Package
  • Integrated Thermal Protection
  • AEC-Q100 Grade 1 Qualified
  • Integrated 290-mΩ (typ) Internal N-Channel FET
  • Input Voltage Range:
    • TPS92515x: 5.5 V to 42 V
    • TPS92515HVx: 5.5 V to 65 V
    • Operation Down to 5.15 V After Start-Up
  • Low Offset High-side Peak Current Comparator
  • Constant Average Current, up to 2 A
  • Inherent Cycle-by-Cycle Current Limit
  • Multiple Dimming Methods
    • 10,000:1 Shunt PWM Dimming Range
    • 1000:1 PWM Dimming Range
    • 200:1 Analog Dimming Range
  • Simple Constant Off-time Control
    • No Loop Compensation
    • Fast Transient Response
  • Thermally Enhanced HVSSOP Package
  • Integrated Thermal Protection

The TPS92515 family of devices are compact monolithic switching regulators integrating a low resistance N-Channel MOSFET. The devices are intended for high-brightness LED lighting applications where efficiency, high bandwidth, PWM and/or analog dimming and small size are important.

The regulator operates using a constant off-time, peak current control. The operation is simple: after an off-time based on the output voltage, an on-time begins. The on-time ends once the inductor peak current threshold is reached. The TPS92515 device can be configured to maintain a constant peak-to-peak ripple during the ON and OFF periods of a shunt FET dimming cycle. This is ideal for maintaining a linear response across the entire shunt FET dimming range.

Steady-state accuracy is aided by the inclusion of a low-offset, high-side comparator. LED current can be modulated using either Analog or PWM dimming, or both simultaneously. Other features include UVLO, wide input voltage operation, inherent LED Open operation and wide operating temperature range with thermal shut-down.

The TPS92515 and TPS92515-Q1 devices have an operational input range up to 42 V. The TPS92515HV and TPS92515HV-Q1 offer high-voltage options with an input range up to 65 V. All are available in a thermally enhanced 10-pin HVSSOP package.

The TPS92515 family of devices are compact monolithic switching regulators integrating a low resistance N-Channel MOSFET. The devices are intended for high-brightness LED lighting applications where efficiency, high bandwidth, PWM and/or analog dimming and small size are important.

The regulator operates using a constant off-time, peak current control. The operation is simple: after an off-time based on the output voltage, an on-time begins. The on-time ends once the inductor peak current threshold is reached. The TPS92515 device can be configured to maintain a constant peak-to-peak ripple during the ON and OFF periods of a shunt FET dimming cycle. This is ideal for maintaining a linear response across the entire shunt FET dimming range.

Steady-state accuracy is aided by the inclusion of a low-offset, high-side comparator. LED current can be modulated using either Analog or PWM dimming, or both simultaneously. Other features include UVLO, wide input voltage operation, inherent LED Open operation and wide operating temperature range with thermal shut-down.

The TPS92515 and TPS92515-Q1 devices have an operational input range up to 42 V. The TPS92515HV and TPS92515HV-Q1 offer high-voltage options with an input range up to 65 V. All are available in a thermally enhanced 10-pin HVSSOP package.

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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS92515x 2-A, Buck LED Driver with Integrated N-channel FET, High-Side Current Sense, and Shunt FET PWM Dimming Capability datasheet (Rev. A) PDF | HTML 16 ago 2016
Application note Automotive Front Headlight Selection Guide PDF | HTML 16 abr 2021

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS92515HVEVM-749 — Placa de evaluación de controlador LED reductor TPS92515HV-Q1

The TPS92515HVEVM-749 is a fully assembled and tested LED driver. It can be used to power a single string of series connected LEDs. Various dimming configurations can be tested using this EVM: Analog Dimming, PWM Dimming, Shunt FET dimming.
Guía del usuario: PDF
Modelo de simulación

TPS92515 PSpice Transient Model

SLUM524.ZIP (44 KB) - PSpice Model
Modelo de simulación

TPS92515 TINA-TI Reference Design

SLUM554.TSC (54 KB) - TINA-TI Reference Design
Modelo de simulación

TPS92515 TINA-TI Transient Spice Model

SLUM553.ZIP (48 KB) - TINA-TI Spice Model
Herramienta de cálculo

SLUC613 TPS92515 Design Calculator

Productos y hardware compatibles

Productos y hardware compatibles

Productos
Controladores LED de iluminación
TPS92515 Controlador LED de 2 A y 42 V con capacidad de atenuación NFET integrada, detección de corriente de TPS92515HV Controlador LED de 2 A y 65 V con capacidad de atenuación NFET integrada, detección de corriente de
Controladores para LED en automóviles
TPS92515-Q1 Controlador LED atenuable PWM de derivación de 2 A y 42 V con NFET integrado y calibración de corrie TPS92515HV-Q1 Controlador LED atenuable PWM de derivación de 2 A y 65 V con NFET integrado y calibración de corrie
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 (...)
Diseños de referencia

PMP15004 — Diseño de referencia de controlador LED Buck para sector automotriz de 7,5 W y 1,25 A con regulación

This reference design showcases a small form factor LED driver (TPS92515HV-Q1) optimized to drive two LEDs for a fog light design. The buck topology is implemented as a direct-to-battery, single-stage LED driver which is simple and cost-effective lighting. Additional design flexibility includes (...)
Test report: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HVSSOP (DGQ) 10 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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Soporte y capacitación

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