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AFE para sensores inductivos

LDC5072-Q1

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Parte frontal del sensor de posición inductivo automotriz con interfaz seno/coseno

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LDC5072-Q1

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Detalles del producto

Rating Automotive TI functional safety category Functional Safety-Compliant Operating temperature range (°C) -40 to 160
Rating Automotive TI functional safety category Functional Safety-Compliant Operating temperature range (°C) -40 to 160
TSSOP (PW) 16 32 mm² 5 x 6.4
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 0: –40°C to +160°C ambient operating temperature
  • Integrated analog front-end IC for contact-less, inductive position sensors for absolute rotary position from 0° to 360°
  • Removes the need for magnets, lowering system cost
  • Supports operation in harsh environments; immune to stray magnetic fields, dirt, and contamination
  • High resolution and accuracy of ≤ 1 degree at rotational speeds up to 480,000 RPM
  • Differential signal paths with sine and cosine outputs supporting a wide dynamic input range
  • 5-V and 3.3-V input supply operating modes
  • Integrated LC oscillator in the 2.4-MHz to 5-MHz band to excite the inductive sensor coil
  • Differential output drivers with high-voltage protection and large capacitive load capability
  • Automatic and manual gain control to maximize dynamic range of output drivers
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid ISO 26262 system design
    • Systematic capability up to ASIL C(D)
    • Hardware capability up to ASIL C
  • Extensive IC, sensor input, output, and supply pin diagnostics
  • Reverse voltage and overvoltage protection on input supply and output pins from –15 V to 30 V
  • Supports redundant mode for functional safety
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 0: –40°C to +160°C ambient operating temperature
  • Integrated analog front-end IC for contact-less, inductive position sensors for absolute rotary position from 0° to 360°
  • Removes the need for magnets, lowering system cost
  • Supports operation in harsh environments; immune to stray magnetic fields, dirt, and contamination
  • High resolution and accuracy of ≤ 1 degree at rotational speeds up to 480,000 RPM
  • Differential signal paths with sine and cosine outputs supporting a wide dynamic input range
  • 5-V and 3.3-V input supply operating modes
  • Integrated LC oscillator in the 2.4-MHz to 5-MHz band to excite the inductive sensor coil
  • Differential output drivers with high-voltage protection and large capacitive load capability
  • Automatic and manual gain control to maximize dynamic range of output drivers
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid ISO 26262 system design
    • Systematic capability up to ASIL C(D)
    • Hardware capability up to ASIL C
  • Extensive IC, sensor input, output, and supply pin diagnostics
  • Reverse voltage and overvoltage protection on input supply and output pins from –15 V to 30 V
  • Supports redundant mode for functional safety

The LDC5072-Q1 IC is an analog front-end for contact-less, inductive position sensors targeted for absolute rotary position in automotive and industrial applications. The LDC5072-Q1 excites a coil that is typically printed on a printed circuit board (PCB). The excitation is coupled back into two sets of receiver coils on the same PCB using a conductive target that is placed in close proximity of the PCB. The conductive target can also be a pattern printed on another PCB. The coil PCB stays stationary and the target moves with the motor, actuator, or valve. The excitation coil generates a secondary voltage on the receiver coils depending on the position of the target relative to the receiver coils. A signal representation of the position is obtained by reading in the voltages from the receiver coils, processing it, and giving analog outputs representing the Sine and Cosine components of the position of the target.

The LDC5072-Q1 IC is an analog front-end for contact-less, inductive position sensors targeted for absolute rotary position in automotive and industrial applications. The LDC5072-Q1 excites a coil that is typically printed on a printed circuit board (PCB). The excitation is coupled back into two sets of receiver coils on the same PCB using a conductive target that is placed in close proximity of the PCB. The conductive target can also be a pattern printed on another PCB. The coil PCB stays stationary and the target moves with the motor, actuator, or valve. The excitation coil generates a secondary voltage on the receiver coils depending on the position of the target relative to the receiver coils. A signal representation of the position is obtained by reading in the voltages from the receiver coils, processing it, and giving analog outputs representing the Sine and Cosine components of the position of the target.
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Documentación técnica

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* Data sheet LDC5072-Q1 Inductive Position Sensor Front-End With Sin/Cos Interface datasheet (Rev. C) PDF | HTML 28 jul 2023
Application brief Inductive Sensing Design For Position Sensing in Traction Inverter 05 nov 2024
White paper How Position Sensors Enable Innovation in Automotive and Industrial Applications (Rev. A) PDF | HTML 08 mar 2024
White paper Auto Functional Safety and How TI is Helping Customers W/ High-Precision Sensors PDF | HTML 28 ago 2023
Certificate LDC5072Q1EVM EU Declaration of Conformity (DoC) 22 ago 2023
User guide Sensor Design Tool Getting Started and Troubleshooting Guide PDF | HTML 27 jul 2023
EVM User's guide LDC5072-Q1 EVM User's Guide 09 nov 2018

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

LDC5072Q1EVM — Módulo de evaluación LDC5072-Q1 para interfaz de sensor de posición inductivo con salidas seno/cosen

El módulo de evaluación (EVM) LDC5072-Q1 ayuda a los diseñadores a evaluar el funcionamiento y el rendimiento del sensor de posición inductivo LDC5072-Q1. El EVM contiene todos los componentes pasivos necesarios para el LDC5072-Q1 y se puede evaluar rápidamente en un sistema.  Con la herramienta de (...)

Guía del usuario: PDF
No disponible en TI.com
Herramienta de diseño

LDC5072-Q1-SENSOR-DESIGN-TOOL — The LDC5072-Q1 sensor design tool provides an inductive PCB sensor design, supporting layout files, and a spice model of a motor-monitoring system.

The LDC5072X design tool is a powerful resource to accelerate the design and implementation of inductive PCB sensors for monitoring motor position with the LDC5072-Q1. The tool accepts user inputs for electrical and mechanical requirements and creates a PCB inductive sensor and supporting target. (...)

Productos y hardware compatibles

Productos y hardware compatibles

Productos
AFE para sensores inductivos
LDC5072-Q1 — Parte frontal del sensor de posición inductivo automotriz con interfaz seno/coseno
Desarrollo de hardware
Placa de evaluación
LDC5072Q1EVM — Módulo de evaluación LDC5072-Q1 para interfaz de sensor de posición inductivo con salidas seno/cosen
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
TSSOP (PW) 16 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

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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