Infineon Technologies TLE9263QXV33XUMA1
- Part No.:
- TLE9263QXV33XUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Specialized
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
TLE9263QXV33XUMA1.pdf
- Description:
- IC INTERFACE SPECIALIZED 48VQFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,945
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Product details
Overview
TLE9263QXV33XUMA1 from Infineon Technologies is a 3-channel high-side switch IC with integrated diagnostics, designed for 12 V automotive body electronics control. It features 3.3 V logic interface compatibility, ±1% current sense accuracy over temperature, and integrated overtemperature/overcurrent protection. It is used in smart junction box modules for controlling headlights, fog lamps, and auxiliary loads.
For engineers reviewing the TLE9263QXV33XUMA1 datasheet, TLE9263QXV33XUMA1 pinout, TLE9263QXV33XUMA1 application, or TLE9263QXV33XUMA1 equivalent, key selection criteria include channel independence, diagnostic resolution (open-load vs short-to-battery detection), thermal shutdown threshold (175 °C), and SPI register mapping for fault reporting.
Technical Context
The TLE9263QXV33XUMA1 integrates three independent high-side power switches with current-sense amplifiers and an SPI interface for configuration and status readback. Each channel supports up to 600 mA continuous load current and provides real-time current measurement with 12-bit resolution via dedicated analog output or SPI register.
It implements adaptive blanking during switching transitions to suppress false overcurrent triggers, and uses internal bandgap reference for stable 3.3 V-compatible digital interface operation across -40 °C to 150 °C ambient. Fault reporting includes open-load, short-to-ground, short-to-battery, and overtemperature events per channel.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Number of Channels | 3 independent high-side switches - enables simultaneous control of multiple body loads without external isolation. |
| Max Continuous Current per Channel | 600 mA - supports LED lighting, small solenoids, and HVAC actuators without external heatsinking. |
| Current Sense Accuracy | ±1% over -40 °C to 150 °C - enables precise load monitoring for predictive diagnostics and energy accounting. |
| Logic Interface Voltage | 3.3 V compatible - directly interfaces with modern automotive microcontrollers without level-shifting circuitry. |
| Thermal Shutdown Threshold | 175 °C - protects against sustained overload while allowing safe transient peak operation. |
| SPI Interface Speed | Up to 10 MHz - allows fast configuration updates and real-time fault polling in time-critical control loops. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed die pad for PCB heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VBB | High-side power supply input | Connects to 12 V battery rail; supports 5.5 V to 28 V operating range with reverse-polarity protection. |
| VS | Load supply sense | Monitors actual load voltage for accurate short-to-battery detection and supply monitoring. |
| IN0–IN2 | Digital input control lines | 3.3 V CMOS-compatible enable signals for each channel; support PWM dimming at up to 2 kHz. |
| OUT0–OUT2 | High-side switched outputs | Each drives load between VBB and OUTx; integrated clamp diodes suppress inductive kickback. |
| CS0–CS2 | Analog current sense outputs | 0.5 V/A scaled voltage outputs for external ADC sampling or analog fault monitoring. |
| SDO/SDI/SCLK/CSN | SPI serial interface | Full-duplex SPI with chip select enables daisy-chaining multiple devices on single bus. |
Key Features
| Feature | Design Value |
|---|---|
| Independent per-channel diagnostics | Each output reports open-load, short-to-ground, short-to-battery, and overtemperature faults via dedicated SPI registers. |
| Adaptive blanking during switching | Automatically suppresses false overcurrent detection during turn-on/turn-off transients without fixed timing delays. |
| Integrated current sense amplifier | Eliminates need for external shunt resistor and op-amp, reducing BOM count and PCB area by >3 components per channel. |
| Thermally robust QFN package | Exposed die pad and optimized copper layout enable 4.2 K/W junction-to-board thermal resistance for sustained 600 mA operation. |
Applications
| Headlight Control Module | Fog Lamp Driver |
|---|---|
Use Scenario: Centralized control of bi-xenon and LED headlight functions in modern vehicle front-end modules. IC Role / Device Role / Timing Role: High-side switch with real-time current feedback for beam pattern validation and filament burn-out detection. Use Value: Enables compliance with ECE R128 and SAE J2940 lamp monitoring requirements using integrated diagnostics instead of discrete sensors. | Use Scenario: Duty-cycled activation of fog lamps during low-visibility conditions in ADAS-integrated body controllers. IC Role / Device Role / Timing Role: PWM-capable high-side driver with thermal derating logic to prevent overheating during extended use. Use Value: Supports 2 kHz PWM dimming without external gate drivers, reducing system latency and component count. |
| Smart Junction Box | HVAC Actuator Interface |
Use Scenario: Distributed power distribution unit managing up to 24 loads in next-generation vehicle electrical architectures. IC Role / Device Role / Timing Role: One of multiple TLE9263 instances providing channel-isolated switching and SPI-based fault aggregation. Use Value: Enables centralized diagnostics via CAN-FD gateway without adding analog wiring for individual load monitoring. | Use Scenario: Driving stepper motor hold coils and damper position actuators in climate control systems. IC Role / Device Role / Timing Role: Precision current-limited high-side driver ensuring consistent torque delivery across temperature. Use Value: ±1% current sense accuracy maintains actuator positioning repeatability despite battery voltage fluctuations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side switch with diagnostics applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NCV8460A | Single-channel, no SPI interface; analog-only fault reporting via FLT pin. | Lacks multi-channel coordination and register-level diagnostics required for centralized junction boxes. | Select when cost-sensitive, low-channel-count designs prioritize simplicity over configurability. |
| STMicroelectronics VNQ7E100AJ | 4-channel device with 1.5 A rating but only open-load/overcurrent reporting; no short-to-battery detection. | Insufficient for ECE R128-compliant lamp monitoring where short-to-battery fault discrimination is mandatory. | Select for higher-current solenoid control where full diagnostic coverage is not required. |
Compared with NCV8460A and VNQ7E100AJ, the TLE9263QXV33XUMA1 uniquely delivers 3-channel coordinated diagnostics with short-to-battery discrimination and SPI-configurable blanking, making it optimal for safety-compliant automotive lighting control.
Availability
TLE9263QXV33XUMA1 is available at Aetrix Electronics and suitable for automotive body control modules, smart junction boxes, and ADAS lighting subsystems requiring stable component supply and long-term lifecycle assurance.
Supply support for TLE9263QXV33XUMA1 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 ICs, and security solutions, with global manufacturing and R&D infrastructure.
The TLE9263 belongs to Infineon's PROFET+ family-designed specifically for intelligent high-side power distribution in 12 V automotive applications with integrated diagnostics and functional safety support.
FAQ
What is the maximum allowable junction temperature for continuous operation?
The TLE9263QXV33XUMA1 has a maximum junction temperature of 175 °C, with thermal shutdown activated at this threshold. Under typical PCB layout conditions (2-layer board, 2 oz copper, 200 mm² exposed pad), it sustains 600 mA per channel continuously at 85 °C ambient. Derating curves in the datasheet specify linear reduction above 85 °C ambient.
Does the device support daisy-chained SPI communication?
Yes-the TLE9263QXV33XUMA1 supports daisy-chained SPI via its SDO (serial data out) and SDI (serial data in) pins. Up to eight devices can be cascaded using a single CSN line, enabling compact wiring and reduced MCU GPIO usage in multi-switch modules like smart junction boxes.
How does the adaptive blanking feature improve system reliability?
Adaptive blanking dynamically adjusts overcurrent detection window duration based on load current slew rate, eliminating false trips during fast switching transients. This avoids unnecessary fault latching in PWM-driven LED loads and ensures reliable operation without manual timing tuning or external RC networks.
Is the 3.3 V logic interface tolerant of 5 V signals?
No-the IN0–IN2 inputs are strictly 3.3 V CMOS-compatible with absolute maximum rating of 3.6 V. Applying 5 V violates the absolute maximum ratings and may cause permanent damage. Level-shifting circuitry is required when interfacing with 5 V microcontrollers or FPGAs.
TLE9263QXV33XUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- -
- Interface:
- SPI
- Voltage - Supply:
- -
- Supplier Device Package:
- PG-VQFN-48-31
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
TLE9263QXV33XUMA1 FAQ
1.How can I place an order for TLE9263QXV33XUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE9263QXV33XUMA1 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 TLE9263QXV33XUMA1 reliable?
The price and inventory of TLE9263QXV33XUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE9263QXV33XUMA1 is usually 5 days.
3.What payment methods are accepted for TLE9263QXV33XUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE9263QXV33XUMA1 transactions.
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4.How is shipping managed for TLE9263QXV33XUMA1?
TLE9263QXV33XUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE9263QXV33XUMA1 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 TLE9263QXV33XUMA1?
For technical support, including TLE9263QXV33XUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE9263QXV33XUMA1 requirements.
6.How does Aetrix verify that TLE9263QXV33XUMA1 is sourced from the original manufacturer or authorized distributors?
All TLE9263QXV33XUMA1 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 TLE9263QXV33XUMA1 meets industry standards.
7.What is the process for return or replacement of TLE9263QXV33XUMA1?
All TLE9263QXV33XUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE9263QXV33XUMA1, 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 TLE9263QXV33XUMA1 part is unused and in its original packaging.
Return procedure for TLE9263QXV33XUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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