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Texas Instruments PGA301 | Demoboard TIDA-00793
Automotive Resistive Bridge Pressure Sensor Reference Design
Overview
| Topology | Other Topology |
| Input voltage | 5-20 V |
| Output 1 | 20 V |
| IC revision | A |
Description
The TIDA-00793 reference design provides a simple, robust, and accurate sensor signal conditioning solution using the PGA301-Q1 for resistive bridge type pressure sensors. The protection strategies implemented in this design protect the pressure sensor against wiring harness faults, EMI, and automotive electrical transients. Theory, operation, and challenges involved in the design are systematically explained in the design guide.
Features
- Accuracy of 0.17% Over Temperature(–40°C to 125°C)
- Second Order Temperature and LinearityCompensation Algorithm
- Form Factor Design of 23 × 23 mm
- Protection Against Harness Faults (Overvoltageand Reverse Polarity Protection), Broken WireDetection
- Meets ISO 7637-3 Requirements for TransientPulses
- Tested for Bulk Current Injection (BCI)ISO 11452-4
Typical applications
- Pedal Force
- Engine Oil Pressure
- In-Cylinder Pressure
- Occupant Weight
- HVAC Compressor Pressure
- Manifold Absolute Pressure
- Transmission Oil Pressure
- EGR Pressure
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Pin Header - Single, 3, THT | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | |||
 | WR-PHD Pin Header - Single, 4, THT | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins4 | MountTHT | Length10.16 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | |||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, SMT | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | MountSMT | Length1.6 mm | Height0.8 mm | Rated Current0.2 A | – | Operating Temperature -55 °C up to +125 °C | Impedance @ 100 MHz1000 Ω | Maximum Impedance1350 Ω | Maximum Impedance140 MHz | Rated Current 2650 mA | DC Resistance0.6 Ω | TypeWide Band |