GUI para el módulo de evaluación (EVM)
TPIC8101
Interfaz de sensor de vibración y picado del motor
Hoja de datos
TPIC8101
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature Range - Device HBM Classification Level 3A
- Device CDM Classification Level C6
- Device Temperature Grade 1: –40°C to 125°C
- Dual-Channel Knock Sensor Interface
- Programmable Input Frequency Prescaler
(OSCIN) - Serial Interface With Microprocessor (SPI)
- Programmable Gain
- Programmable Band-Pass Filter Center Frequency
- External Clock Frequencies up to 24 MHz
- 4, 5, 6, 8, 10, 12, 16, 20, and 24 MHz
- Programmable Integrator Time Constants
- Operating Temperature Range –40°C to 125°C
The TPIC8101 is a dual-channel signal processing IC for detection of premature detonation in combustion engine. The two sensor channels are selectable through the SPI bus. The knock sensor typically provides an electrical signal to the amplifier inputs. The sensed signal is processed through a programmable band-pass filter to extract the frequency of interest (engine knock or ping signals). The band-pass filter eliminates any engine background noise associated with combustion. The engine background noise is typically low in amplitude compared to the predetonation noise.
The detected signal is full-wave rectified and integrated by use of the INT/HOLD signal. The digital output from the integration stage is either converted to an analog signal, passed through an output buffer, or be read directly by the SPI.
This analog buffered output may be interfaced to an A/D converter and read by the microprocessor. The digital output may be directly interfaced to the microprocessor.
The data from the A/D enables the system to analyze the amount of retard timing for the next spark ignition timing cycle. With the microprocessor closed-loop system, advancing and retarding the spark timing optimizes the load/RPM conditions for a particular engine (data stored in RAM).
Documentación técnica
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Ver todo 5 | Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | TPIC8101 Knock Sensor Interface datasheet (Rev. C) | PDF | HTML | 23 mar 2015 |
| EVM User's guide | TPIC8101 EVM User's Guide | 18 dic 2015 | ||
| Technical article | Performance comparison between two automotive knock sensors | PDF | HTML | 23 jun 2015 | |
| Analog Design Journal | How to set-up a knock-sensor signal-conditioning system | 15 jul 2014 | ||
| Application note | TPIC8101 Knock Sensor Interface Technical Brief | 09 ene 2009 |
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
TPIC8101EVM — Módulo de evaluación TPIC8101 de sensor de picado para automoción
The TPIC8101EVM provides an easy method for evaluating the TPIC8101 automotive knock sensor interface IC. Software is included to quickly program the TPIC8101, and the included USB interface board provides all necessary signals to connect the TPIC8101 EVM to a knock sensor or a knock sensor (...)
Guía del usuario: PDF
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 (...)
Herramienta de simulación
TINA-TI — Programa de simulación analógica basado en SPICE
TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Guía del usuario: PDF
Diseños de referencia
TIDA-00152 — Diseño de referencia de la interfaz del sensor de golpe acústico de calidad automotriz
This TIDA-00152 reference design utilizes a dual-channel, signal processing IC for detection of premature detonation in combustion (gasoline) engines. The heart of this design is the TPIC8101 that serves as an interface between acoustical sensors or accelerometers and automobile engine management (...)
| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| SOIC (DW) | 20 | 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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