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Name: TPIC8101DW
Brand: Texas Instruments
SKU: TPIC8101DW
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments TPIC8101DW

Part No.:: TPIC8101DW

Manufacturer:: Texas Instruments

Package:: 20-SOIC (0.295, 7.50mm Width)

Datasheet:: TPIC8101DW.pdf

Description:: IC KNOCK SENSOR INTERFACE 20SOIC

In Stock:: 3462

Quantity:: Add To Cart

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TPIC8101DW Specifications

Package/Case:
20-SOIC (0.295, 7.50mm Width)
Packaging:
Tube
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Sensor Interface
InputType:
Serial
OutputType:
Serial
Current-Supply:
20 mA
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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TPIC8101DW information

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TPIC8101DW Typical application Circuitry

TPIC8101DW

The TPIC8101DW is an integrated circuit designed for signal processing in automotive applications, particularly in the context of engine knock detection. This chip is specifically tailored to process and analyze signals from knock sensors, aiding in the management of engine combustion processes.

Functionality and Application Scenarios

1. Engine Knock Detection in Automobiles: The TPIC8101DW is employed in the automotive sector to interface with knock sensors. Its primary role is to detect engine knock, a condition that can lead to inefficient combustion and potential engine damage.

2. Signal Processing for Piezoelectric Sensors: It specializes in conditioning signals from piezoelectric knock sensors, filtering and amplifying them for better analysis.

Features and Parameters

1. Dual-Channel Input: It supports inputs from two sensors, catering to multi-cylinder engines.

2. Configurable Filter and Gain: The IC allows for tuning of filter frequencies and amplifier gain to suit specific engine types.

3. On-Chip Diagnostics: Incorporates diagnostic features for system checks and reliability.

Circuit Implementation: Implementing a Knock Detection Circuit

Scenario: Creating a knock detection system for a four-cylinder engine using TPIC8101DW.

1. Sensor Connections:

- Overview: Attach knock sensors to the IC.

- Details: Connect the piezoelectric knock sensors to pins 14 and 15, which are the sensor input pins.

2. Powering the IC:

- Overview: Supply power to the IC.

- Details: Apply a 5V power supply to pin 16 (VDD) and connect pin 5 (VSS) to the ground.

3. Filter Frequency Setting:

- Overview: Adjust the filter.

- Details: Configure the filter frequency by adding resistors and capacitors to pins 6, 7, 8, and 9, tailored to the engine's specifications.

4. Gain Adjustment:

- Overview: Set the gain for amplification.

- Details: Adjust the gain level using external resistors connected to pins 10 and 11.

5. Output Management:

- Overview: Route processed signals.

- Details: Connect output pins 2 and 3 to the engine control unit (ECU) for further processing.

6. Diagnostic Feature Use:

- Overview: Leverage the chip's diagnostics.

- Details: Utilize the self-test function by activating a signal on pin 4, monitoring the system's health.

Design Considerations

In designing with the TPIC8101DW, consider:

1. Electromagnetic Interference (EMI) Mitigation: Implement design strategies to minimize EMI effects on the sensitive knock sensors.

2. Consistent Power Delivery: Ensure the power supply is stable for accurate IC operation.

3. Component Quality: Use high-quality external components for the filter and gain settings to ensure reliability.

4. Thermal Management: Address thermal issues, as automotive environments can be extreme.

5. ECU Compatibility: Make sure the IC's outputs are compatible with the ECU's input requirements.

By integrating these considerations with the TPIC8101DW, you can develop an efficient knock detection system, crucial for maintaining optimal engine performance and longevity.

TPIC8101DW FAQ

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3. Are the TPIC8101DW price and inventory displayed accurate?

The price and inventory of TPIC8101DW fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of TPIC8101DW?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TPIC8101DW we delivered, we will accept the replacement or return of the TPIC8101DW only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of TPIC8101DW.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations