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Infineon Technologies TCA505BGGEGXUMA1
- Part No.:
- TCA505BGGEGXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Sensor and Detector Interfaces
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TCA505BGGEGXUMA1.pdf
- Description:
- IC SWITCH PROXIMITY INDCT 16DSO
- Quantity:
- Payment:
- Shipping:
Inventory:3,486
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Product details
Overview
TCA505BGGEGXUMA1 from Infineon Technologies is a bipolar monolithic IC designed specifically for inductive proximity switches, integrating oscillator, demodulator, and threshold switch functions with short-circuit protection. It operates across 4–40 V (or 3.1–4.5 V with VREF tied to VS), delivers up to 60 mA output current across four antiphase outputs (Q1–Q4), features built-in short-circuit detection (pin SC), and supports switching frequencies up to 5 kHz within –40 °C to +110 °C ambient.
For engineers reviewing the TCA505BGGEGXUMA1 datasheet, TCA505BGGEGXUMA1 pinout, TCA505BGGEGXUMA1 application, or TCA505BGGEGXUMA1 equivalent, key selection criteria include its dual-output flexibility (open-collector/emitter, push-pull, current-source modes), programmable distance/hysteresis via RDi/RHy, turn-on/off delay control via CD capacitor, and two-wire AC operation enabled by VT-regulator functionality.
Technical Context
The TCA505BGGEGXUMA1 implements an LC oscillator (pin LC) whose amplitude shift-induced by metallic target proximity-is demodulated and compared against a threshold to trigger antiphase output pairs (Q1/Q2 and Q3/Q4). Distance sensitivity is set via external resistor RDi (pin 2), while hysteresis is configured using RHy (pin 5) in series or parallel configurations.
Short-circuit protection operates via pin SC, which monitors voltage drop (≥0.3 V) across external sense resistors and disables all outputs for a turn-off delay defined by capacitor CD (pin 15); recovery occurs after ~200× that delay. The VT pin (16) enables internal switching regulator mode for two-wire AC operation, with output switching between 6 V (ON) and 8 V (OFF) thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4–40 V (standard); 3.1–4.5 V when VREF tied to VS - enables low-voltage compatibility but de-stabilizes analog references |
| Output Current Capability | Up to 60 mA total; individual outputs rated for ≤50 mA - supports direct drive of small relays or logic interfaces without external buffers |
| Switching Frequency | Up to 5 kHz - sufficient for high-speed industrial object detection in conveyor or packaging systems |
| Operating Temperature | –40 °C to +110 °C - validated for under-hood automotive and factory-floor environments |
| Short-Circuit Protection | Active via pin SC with user-defined turn-off delay (CD capacitor) and automatic recovery cycle (~200× delay) - prevents thermal damage during sustained fault conditions |
| Two-Wire AC Mode | Enabled by VT-to-VS connection; internal regulator activates at 6–8 V window - allows direct integration into legacy 2-wire AC proximity switch wiring |
| Reference Voltage | VREF ≈ 2.9 V (stabilized) - provides stable bias for external current-setting resistors on Q2/Q4 when pin B is connected to VREF |
Pinout & Package
Package: PG-DSO-16-1 (16-pin SOIC, surface-mount, RoHS-compliant, Pb-free lead plating).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (LC) | LC Oscillator Node | Connection point for resonant tank (ferrite core + capacitor); amplitude reduction upon metal proximity triggers detection |
| 2 (RDi) | Distance Setting Resistor | Grounded resistor sets oscillator current and thus switching distance - higher resistance yields greater sensing range |
| 3 (N.C.) | No Connection | Internally unconnected - must remain floating; no external tie required |
| 4 (CI) | Noise Filtering Node | Optional RC filter (RI/CI) improves noise immunity; suppresses startup glitches if CD is unused |
| 5 (RHy) | Hysteresis Control | Configurable as open-collector to ground; enables distance hysteresis when placed in series/parallel with RDi |
| 6 (SC) | Short-Circuit Sense Input | Monitors external sense resistor voltage drop (≥0.3 V); initiates periodic output disable/recovery cycle |
| 7 (GND) | Analog/Digital Ground | Common reference for oscillator, demodulator, and output stages - must be low-impedance and star-connected |
| 8–11 (Q1–Q4) | Antiphase Output Terminals | Q1/Q3 = open-collector; Q2/Q4 = open-emitter; configurable as emitter-follower, open-collector, current source, or push-pull |
| 12 (VS) | Supply Voltage Input | Power input with built-in undervoltage lockout (~3.6 V threshold); enables/disables outputs during power ramp |
| 13 (VREF) | Stabilized Reference Output | 2.9 V regulated supply - used for biasing, current setting (with pin B), or noise filtering (capacitor to GND) |
| 14 (B) | Output Transistor Base Clamp | Defines max base voltage for Q1–Q4; tying to VREF enables supply-independent constant-current output via external resistor |
| 15 (CD) | Delay Timing Capacitor | Controls turn-on delay (startup), turn-off delay (voltage dips), and short-circuit recovery timing - sets all three intervals |
| 16 (VT) | Two-Wire Regulator Enable | When tied to VS, activates internal switching regulator for AC two-wire operation - limits VS to 4–14 V range |
Key Features
| Feature | Design Value |
|---|---|
| Four Configurable Outputs | Q1–Q4 support open-collector, open-emitter, push-pull, or current-source topologies - eliminates need for external level-shifting or buffering |
| Programmable Distance & Hysteresis | RDi (pin 2) sets baseline switching distance; RHy (pin 5) adds hysteresis via series/parallel resistor configuration - enables precise mechanical tolerance compensation |
| Integrated Short-Circuit Recovery | SC-triggered disable/re-enable cycle with CD-defined timing - sustains operation during intermittent faults without manual reset |
| Two-Wire AC Compatibility | VT pin enables internal regulator for phase-controlled AC supply - supports retrofit into existing 2-wire industrial sensor infrastructure |
| Temperature-Compensated Oscillator | IC's temperature drift matches coil characteristics - maintains consistent switching distance over full –40 °C to +110 °C range without calibration |
Applications
| Industrial Conveyor Detection | Automotive Gear Position Sensing |
|---|---|
Use Scenario: Detecting metal parts on high-speed packaging lines with vibration and EMI exposure. IC Role / Device Role / Timing Role: Core proximity sensing IC - drives LC oscillator, demodulates amplitude shift, and controls dual NPN/PNP outputs for PLC interface. Use Value: 5 kHz switching frequency enables sub-200 µs response; integrated noise immunity (CI/CD filtering) ensures reliable operation near variable-frequency drives. | Use Scenario: Monitoring gear tooth presence in transmission housings exposed to oil, heat, and shock. IC Role / Device Role / Timing Role: Inductive position detector - uses temperature-compensated oscillator and wide operating range (–40 °C to +110 °C) to maintain accuracy under thermal cycling. Use Value: Matching thermal drift between IC and ferrite coil eliminates recalibration; short-circuit protection safeguards against oil-induced leakage paths. |
| Factory Automation Limit Switches | Two-Wire AC Proximity Modules |
Use Scenario: Replacing mechanical limit switches on robotic arms requiring maintenance-free, wearless actuation. IC Role / Device Role / Timing Role: Solid-state proximity switch controller - configures Q1/Q2 as push-pull output to drive 24 V DC solenoids directly. Use Value: 60 mA output current and overload protection eliminate external drivers; RDi/RHy tuning adapts sensing range to varying arm geometry. | Use Scenario: Retrofitting legacy 2-wire AC control panels with solid-state proximity sensing. IC Role / Device Role / Timing Role: Two-wire AC regulator + sensor front-end - VT pin enables internal switching regulator; VS switching between 6–8 V powers IC from AC line. Use Value: Eliminates need for external rectifier/filter; quiescent current remains low (<0.8 mA) during OFF state - meets IEC 61000-4-5 surge immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar inductive proximity switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV320AIC3104IRHBR | Audio codec IC with integrated ADC/DAC; no oscillator, demodulator, or proximity-specific circuitry | Designed for audio signal chain, not inductive sensing | Not functionally comparable - excluded due to mismatched architecture and feature set |
| MAX22190ATJ+ | Industrial digital input translator with 24 V logic interface; lacks LC oscillator, demodulator, and analog distance tuning | Used for discrete switch monitoring, not analog proximity detection | Not suitable as replacement - missing core proximity sensing functions and programmable hysteresis |
Compared with TCA505BGGEGXUMA1, neither TLV320AIC3104IRHBR nor MAX22190ATJ+ provides integrated LC oscillator, amplitude demodulation, distance/hysteresis programming, or short-circuit protected outputs - confirming TCA505BGGEGXUMA1's unique role in dedicated inductive proximity switch design.
Availability
TCA505BGGEGXUMA1 is available at Aetrix Electronics and suitable for industrial conveyor detection, automotive gear position sensing, factory automation limit switches, and two-wire AC proximity modules requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for TCA505BGGEGXUMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certifications including ISO/TS 16949 and IATF 16949.
The TCA505BGGEGXUMA1 belongs to Infineon's proximity sensor ASIC product line, engineered specifically for cost-effective, high-reliability inductive proximity switches in harsh industrial and automotive environments.
FAQ
What is the purpose of the CD pin capacitor?
The CD pin capacitor sets three critical timing intervals: turn-on delay after power-up (prevents false triggers during oscillator stabilization), turn-off delay during brief VS dips (suppresses nuisance shutdowns), and short-circuit recovery timing (defines off-time before automatic re-enable). Its value directly determines all three durations, with typical values ranging from 10 nF to 100 nF depending on required delay length.
Can Q1–Q4 be used simultaneously in different configurations?
Yes - Q1/Q2 form one antiphase pair and Q3/Q4 form another, each independently configurable. For example, Q1/Q2 can operate as a push-pull driver for a solenoid while Q3/Q4 serve as open-collector status indicators. Pin B and VREF connections allow independent current setting per pair, and SC protection applies globally to all outputs when enabled.
How does the TCA505BGGEGXUMA1 achieve temperature compensation?
The IC's internal oscillator circuitry is designed with temperature coefficients that match those of standard ferrite-core inductors used in proximity sensors. This intentional drift alignment ensures that changes in coil inductance and IC gain/offset track each other across –40 °C to +110 °C, maintaining consistent switching distance without external calibration or trimming components.
Is the TCA505BGGEGXUMA1 suitable for DC-only or AC-only applications?
It supports both: in standard DC mode (VS = 4–40 V), it operates as a conventional proximity switch IC; in two-wire AC mode (VT tied to VS), it uses internal regulation to derive power from phase-controlled AC waveforms. In AC mode, VS must stay within 4–14 V, and switching occurs between 6 V (ON) and 8 V (OFF) thresholds - making it compatible with common 24 V AC control systems.
TCA505BGGEGXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Proximity Detector
- Input Type:
- Analog
- Output Type:
- Analog
- Current - Supply:
- 550 µA
- Operating Temperature:
- -40°C ~ 110°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-DSO-16-1
TCA505BGGEGXUMA1 FAQ
1.How can I place an order for TCA505BGGEGXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TCA505BGGEGXUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TCA505BGGEGXUMA1 reliable?
The price and inventory of TCA505BGGEGXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TCA505BGGEGXUMA1 is usually 5 days.
3.What payment methods are accepted for TCA505BGGEGXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TCA505BGGEGXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TCA505BGGEGXUMA1?
TCA505BGGEGXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TCA505BGGEGXUMA1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TCA505BGGEGXUMA1?
For technical support, including TCA505BGGEGXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TCA505BGGEGXUMA1 requirements.
6.How does Aetrix verify that TCA505BGGEGXUMA1 is sourced from the original manufacturer or authorized distributors?
All TCA505BGGEGXUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TCA505BGGEGXUMA1 meets industry standards.
7.What is the process for return or replacement of TCA505BGGEGXUMA1?
All TCA505BGGEGXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TCA505BGGEGXUMA1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TCA505BGGEGXUMA1 part is unused and in its original packaging.
Return procedure for TCA505BGGEGXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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