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Name: TPIC8101DWG4
Brand: Texas Instruments
SKU: TPIC8101DWG4
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 TPIC8101DWG4

Part No.:: TPIC8101DWG4

Manufacturer:: Texas Instruments

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

Datasheet:: TPIC8101DWG4.pdf

Description:: IC KNOCK SENSOR INTERFACE 20SOIC

In Stock:: 3876

Quantity:: Add To Cart

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TPIC8101DWG4 Specifications

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

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TPIC8101DWG4 information

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TPIC8101DWG4 Typical application Circuitry

TPIC8101DWG4

The TPIC8101DWG4 is a specialized integrated circuit designed for use in knock sensor signal conditioning in automotive applications. Here's a detailed exploration of its features, applications, and a specific circuit implementation:

Functionality and Application Scenarios

1. Knock Sensor Interface in Automotive Engines: The primary function of the TPIC8101DWG4 is to interface with knock sensors in automotive engines. It processes signals from these sensors to detect engine knock or pinging, which can indicate improper combustion.

2. Signal Conditioning: The chip is adept at conditioning signals from piezoelectric knock sensors. It amplifies and filters these signals for accurate knock detection.

Key Features and Parameters

1. Dual Channel Processing: It can process signals from two knock sensors simultaneously, making it suitable for V6/V8 engines.

2. Programmable Filter and Gain Settings: Offers flexibility in configuring the signal processing to match specific engine characteristics.

3. Diagnostic Functions: Includes self-diagnostic capabilities to ensure reliable operation.

Circuit Implementation: Engine Knock Detection System

Scenario: Implementing a knock detection system in a V6 engine using TPIC8101DWG 4.

1. Sensor Connection:

- Summary: Connect knock sensors to the inputs.

- Detail: Connect piezoelectric knock sensors to pins 14 and 15 of the TPIC8101DWG 4. These are the sensor input pins.

2. Power Supply:

- Summary: Provide appropriate power.

- Detail: Connect a 5V power supply to pin 16 (VDD) and ground to pin 5 (VSS).

3. Filter Configuration:

- Summary: Set the filter frequency.

- Detail: Connect resistors and capacitors to pins 6, 7, 8, and 9 to set the filter frequency according to the engine's specifications.

4. Gain Setting:

- Summary: Adjust the amplifier gain.

- Detail: Use external resistors connected to pins 10 and 11 to set the gain level.

5. Output Connection:

- Summary: Route the processed signal to the ECU.

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

6. Diagnostic Feature:

- Summary: Utilize the self-test function.

- Detail: Trigger a self-test by applying a signal to pin 4. Monitor the output for diagnostic purposes.

Design Considerations

When designing a circuit with the TPIC8101DWG4, consider:

1. Noise Immunity: Ensure that the layout minimizes noise, especially since knock sensors are sensitive to interference.

2. Power Supply Stability: A stable power supply is crucial for accurate signal processing.

3. Component Quality: Use high-quality resistors and capacitors for reliable filter and gain settings.

4. Thermal Management: Since automotive environments can be harsh, consider thermal aspects in the design.

5. ECU Compatibility: Ensure that the output is compatible with the ECU's input requirements.

By integrating these considerations and details, the TPIC8101DWG4 can effectively serve in a knock detection system, enhancing engine performance and efficiency.

TPIC8101DWG4 FAQ

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3. Are the TPIC8101DWG4 price and inventory displayed accurate?

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6. What is the process for return or replacement of TPIC8101DWG4?

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 TPIC8101DWG4 we delivered, we will accept the replacement or return of the TPIC8101DWG4 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 TPIC8101DWG4.

(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