TPIC8101DWR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPIC8101DWR
Manufacturer

TI
ChipWorker Part#

CW9260135
Category

Microprocessor Development Kit
Package

SOIC-20
Description

Sensor and Detector Interface 5.5V SPI 20Pin SOIC Tape and Reel
Documentation

Datasheet

TPIC8101DWR Global Supplier

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TPIC8101DWR Specifications

Attribute	Attribute Value

Part Number	TPIC8101DWR
Manufacturer	TI
ChipWorker Part#	CW9260135
Category	Microprocessor Development Kit
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC-20
Supply Voltage (DC)	-300 mV (min)
Supply Current	20 mA
Input Current	2 mA
Power Dissipation	100 mW
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	5.5 V
Input Voltage	0.05V ~ 5.2V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

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).

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