Detalles del producto

Rating Automotive Operating temperature range (°C) -40 to 160
Rating Automotive 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
  • 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
  • Integrated analog front-end IC for contact-less, inductive position sensors for absolute rotary position from 0° to 360°
  • Supports operation in harsh environments; immune to stray magnetic fields, dirt, and contamination
  • No magnets required
  • Input supply operating modes: 5 V and 3.3 V
  • Operating current: 22 mA (maximum)
  • 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
  • Built-in sensor and supply diagnostics
  • Reverse voltage and overvoltage protection on input supply and output pins from –15 V to 30 V
  • For enhanced functional safety and diagnostics, see LDC5072-Q1
  • Supports redundant mode
  • Package: TSSOP-16 (5.00 mm x 4.40 mm)
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 0: –40°C to +160°C ambient operating temperature
  • 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
  • Integrated analog front-end IC for contact-less, inductive position sensors for absolute rotary position from 0° to 360°
  • Supports operation in harsh environments; immune to stray magnetic fields, dirt, and contamination
  • No magnets required
  • Input supply operating modes: 5 V and 3.3 V
  • Operating current: 22 mA (maximum)
  • 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
  • Built-in sensor and supply diagnostics
  • Reverse voltage and overvoltage protection on input supply and output pins from –15 V to 30 V
  • For enhanced functional safety and diagnostics, see LDC5072-Q1
  • Supports redundant mode
  • Package: TSSOP-16 (5.00 mm x 4.40 mm)

LDC5071-Q1 is a high-speed and accurate inductive sensor used for measuring absolute linear and rotary position in automotive and industrial applications. The device is designed to interface to three inductive sensing coils that are typically on the printed circuit board. One of the coils is connected to the exciter circuit of the LDC5071-Q1 and acts as a transmitter, and the other two secondary coils are used as receivers. The transmitter coil induces a voltage in the secondary coils, which is a function of the conductive target above the sensor coils. The demodulated signals which are produced during LDC5071-Q1 operation are then provided through the differential signal path with sine and cosine outputs.

The LDC5071-Q1 has multiple supply options, 5-V or 3.3-V, to suit different design options and can be connected to a microcontroller to calculate the rotary angle. The manual and automatic gain control (AGC) of the LDC5071-Q1 can be used to control and maximize the dynamic range of the outputs.

The device offers robust protection features to support and monitor signals and overall device operation for a seamless systems protection. The LDC5071-Q1 supports overvoltage, reverse battery and current protection on short to high voltage on output pins. In addition, the device provides immunity against motor noise and can filter out-of-band low- and high-frequency noise.

LDC5071-Q1 is a high-speed and accurate inductive sensor used for measuring absolute linear and rotary position in automotive and industrial applications. The device is designed to interface to three inductive sensing coils that are typically on the printed circuit board. One of the coils is connected to the exciter circuit of the LDC5071-Q1 and acts as a transmitter, and the other two secondary coils are used as receivers. The transmitter coil induces a voltage in the secondary coils, which is a function of the conductive target above the sensor coils. The demodulated signals which are produced during LDC5071-Q1 operation are then provided through the differential signal path with sine and cosine outputs.

The LDC5071-Q1 has multiple supply options, 5-V or 3.3-V, to suit different design options and can be connected to a microcontroller to calculate the rotary angle. The manual and automatic gain control (AGC) of the LDC5071-Q1 can be used to control and maximize the dynamic range of the outputs.

The device offers robust protection features to support and monitor signals and overall device operation for a seamless systems protection. The LDC5071-Q1 supports overvoltage, reverse battery and current protection on short to high voltage on output pins. In addition, the device provides immunity against motor noise and can filter out-of-band low- and high-frequency noise.

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Documentación técnica

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* Data sheet LDC5071-Q1Inductive Position Sensor Front-End With Sin/Cos Interface datasheet PDF | HTML 06 dic 2023

Diseño y desarrollo

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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 (...)

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