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Infineon Technologies TLE8888QKXUMA1
- Part No.:
- TLE8888QKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Power Management - Specialized
- Package:
- 100-LQFP Exposed Pad
- Datasheet:
-
TLE8888QKXUMA1.pdf
- Description:
- IC PWR MGMT AUTOMOTIVE 100-LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:5,850
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Product details
Overview
TLE8888QKXUMA1 from Infineon Technologies is an automotive-grade Engine Machine System IC (EMS-ASIC) integrating power supply regulation, high-speed CAN and LIN interfaces, VR sensor front-end, microsecond-channel (MSC) LVDS communication, and 24 configurable power stages-including 4 injector low-side drivers (RON = 550 mΩ), 4 half-bridges, and 7 relay drivers-for engine control unit (ECU) applications in gasoline and diesel powertrains.
For engineers reviewing the TLE8888QKXUMA1 datasheet, TLE8888QKXUMA1 pinout, TLE8888QKXUMA1 application, or TLE8888QKXUMA1 equivalent, this device serves as a system basis chip (SBC) with integrated watchdog (signature window + functional), wake-up detection (KEY/WK pins), main relay control, and comprehensive diagnostics including open-load, short-to-rail, and overtemperature protection-critical for ISO 26262 ASIL-B compliant ECU designs.
Technical Context
The TLE8888QKXUMA1 implements a multi-rail power architecture: a voltage pre-regulator feeds a 5 V main regulator (±2% accuracy), dual 5 V trackers for sensor biasing, and a dedicated standby supply. Its CAN transceiver supports HS-CAN (ISO 11898-2) with bus wake-up capability and remote wake-up detection, while the LIN interface operates in high-speed K-Line mode with fault-tolerant TX/RX and built-in short-circuit protection.
It features a variable reluctance (VR) sensor interface with adaptive threshold detection and zero-crossing timing, plus a Microsecond Channel (MSC) using LVDS signaling for deterministic, low-EME downstream communication to external actuators. The monitoring watchdog module includes a signature-based window watchdog and functional watchdog with question-response protocol, synchronized heartbeat and reset generation per ASIL-B requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Input Range | 5.5 V to 28 V - supports cold-crank (5.5 V) and load-dump (28 V) conditions in automotive 12 V systems. |
| 5 V Main Regulator Output | 5.0 V ±2%, 300 mA - powers MCU core and digital logic with tight regulation under dynamic load. |
| CAN Bus Interface | HS-CAN compliant (ISO 11898-2), wake-up capable - enables ECU sleep/wake coordination without external transceiver. |
| Injector Low-Side Drivers | 4 channels, RON = 550 mΩ max @ Tj = 150°C - delivers ≥1 A continuous current per channel for direct fuel injector drive. |
| Half-Bridge Outputs | 4 channels (OUT21–OUT24), programmable dead-time - supports ignition coil driving with back-EMF suppression and HV capability up to 60 V. |
| Watchdog Type | Signature window watchdog + functional watchdog - provides dual-layer safety monitoring per ISO 26262 ASIL-B requirements. |
| Diagnostic Coverage | Open-load, short-to-GND/BAT, overtemperature, and overcurrent detection on all power stages - enables real-time fault reporting via SPI or dedicated status pins. |
Pinout & Package
LQFP-100 package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, AEC-Q100 qualified Grade 1 (−40°C to +125°C ambient).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VBB | Main battery supply input | Primary 5.5–28 V input feeding pre-regulator and high-voltage power stages. |
| VDD | Digital supply rail | Internal 5 V regulated output powering MCU interface logic and SPI controller. |
| VSUP | Sensor supply output | 5 V tracker output (±1.5%) for VR/Hall sensor biasing with low noise and high PSRR. |
| CANH / CANL | CAN differential bus interface | Direct connection to HS-CAN bus; integrated termination and wake-up detection circuitry. |
| LIN | Single-wire LIN/K-Line interface | Bi-directional LIN physical layer with high-speed mode support and bus short-circuit protection. |
| WK | External wake-up input | CMOS-compatible input enabling low-power sleep exit via external event (e.g., door switch, key fob). |
| KEY | Ignition key detection input | Monitors ignition switch state with key-off delay timer for controlled ECU shutdown sequence. |
| MSC_IN / MSC_OUT | LVDS microsecond channel I/O | Differential LVDS pair supporting deterministic sub-µs timing for actuator synchronization. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated main relay driver | High-current NMOS stage with soft-start and current-limited turn-on to prevent contact welding and inrush stress. |
| Delayed switch-off on OUT17/OUT21 | Configurable 0–255 ms off-delay for relays/ignition coils - eliminates mechanical bounce and ensures safe energy dissipation. |
| VR sensor interface with adaptive threshold | Auto-adjusting zero-crossing detection across 0–15 kHz input frequency and ±100 mV to ±1 V amplitude - eliminates manual calibration. |
| SPI-controlled power stage configuration | Runtime reconfiguration of output type (low-side/half-bridge/push-pull), current limit, and diagnostic mask via 16-bit command register. |
| Drain feedback (DFB) on push-pull stages | Real-time current sensing on OUT8–OUT13 using integrated sense-FETs - enables closed-loop current control without external shunts. |
Applications
| Gasoline Direct Injection (GDI) ECU | Diesel Common Rail ECU |
|---|---|
|
Use Scenario: High-precision fuel metering and spark timing control in turbocharged GDI engines with cylinder deactivation. IC Role / Device Role / Timing Role: System basis chip providing regulated power, CAN/LIN comms, VR cam/crank sensing, and 4 injector low-side drivers with µs-level timing alignment via MSC. Use Value: Enables single-chip integration of safety-critical power, communication, and actuation - reducing BOM count and PCB area while meeting ASIL-B diagnostic coverage targets. |
Use Scenario: Control of high-pressure common rail injectors, glow plugs, EGR valves, and turbocharger VGT in Euro 6 diesel platforms. IC Role / Device Role / Timing Role: Central EMS ASIC delivering 7 relay drivers (including delayed-off for glow plug control), 4 half-bridges for solenoid valves, and VR sensor interface for crankshaft position. Use Value: Integrates 24 power outputs with per-channel diagnostics - eliminating discrete driver ICs and simplifying functional safety validation for ASIL-B diesel ECU architectures. |
| Hybrid Powertrain ECU | Motorcycle Engine Management |
|
Use Scenario: Coordination of ICE start-stop, electric motor assist, and 48 V DC-DC conversion in P0/P1 mild hybrid systems. IC Role / Device Role / Timing Role: Dual-role SBC: supplies MCU during ICE-off states via standby regulator, manages CAN wake-up from BMS, and drives starter relay and clutch solenoids. Use Value: Standby regulator + wake-up inputs enable ultra-low-quiescent-current sleep modes (<100 µA), extending 12 V battery life during extended vehicle idle periods. |
Use Scenario: Compact, cost-optimized engine management for 600–1200 cc motorcycles with limited PCB space and thermal budget. IC Role / Device Role / Timing Role: Single-package solution replacing discrete LDOs, CAN transceivers, VR conditioners, and 12+ MOSFET drivers in constrained ECU modules. Use Value: LQFP-100 footprint consolidates >15 discrete components - reducing assembly cost and improving reliability in vibration-prone two-wheeler environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar engine management system basis chip applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP MC33816 | Single 5 V regulator (no trackers), no MSC interface, LIN only (no CAN), 12 power stages | Lacks CAN interface and VR sensor front-end - requires external transceiver and signal conditioner for full EMS functionality | Select when CAN is not required and cost sensitivity outweighs integration benefits |
| Renesas RH850/P1M | MCU with integrated SBC peripherals (CAN/LIN/VR), but no high-current power stages - requires external driver ICs | Requires ≥8 external half-bridge/low-side drivers to match TLE8888QKXUMA1's 24-stage capability | Select for software-defined control flexibility where hardware consolidation is secondary to firmware scalability |
Compared with MC33816 and RH850/P1M, the TLE8888QKXUMA1 uniquely integrates CAN, dual 5 V trackers, VR interface, and 24 high-current power stages in one AEC-Q100 Grade 1 package - minimizing external component count and simplifying ASIL-B decomposition for production ECUs.
Availability
TLE8888QKXUMA1 is available at Aetrix Electronics and suitable for gasoline/diesel engine control units, hybrid powertrain ECUs, and motorcycle engine management systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100 qualification.
Supply support for TLE8888QKXUMA1 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 R&D and manufacturing infrastructure.
The TLE8888QKXUMA1 belongs to Infineon's Automotive Power IC product line, designed specifically for engine control unit integration-combining power supply, communication, sensing, and actuation in a single safety-compliant system basis chip.
FAQ
What is the maximum junction temperature rating for TLE8888QKXUMA1?
The TLE8888QKXUMA1 is rated for operation up to 150°C junction temperature, validated per AEC-Q100 Grade 1 requirements (−40°C to +125°C ambient). Thermal derating curves in Section 9.6.3 of the datasheet define safe operating area limits for each power stage based on PCB copper area and airflow conditions.
Does TLE8888QKXUMA1 support CAN FD or only classical CAN?
The TLE8888QKXUMA1 supports only classical HS-CAN (ISO 11898-2) at up to 1 Mbps, not CAN FD. Its transceiver lacks the arbitration-phase bit-rate switching and CRC field extensions required for CAN FD compliance, as confirmed in Section 12 of the datasheet.
How is the "Signature Watchdog" different from standard window watchdogs?
The Signature Watchdog uses a challenge-response protocol where the host MCU must return a time-dependent cryptographic signature within a defined window. Unlike basic window watchdogs, it prevents replay attacks and detects frozen firmware by verifying dynamic response integrity-not just pulse timing-per ISO 26262 Annex D requirements.
Can the MSC LVDS interface be used for bidirectional communication?
No-the MSC interface is unidirectional downstream only (from TLE8888QKXUMA1 to external actuators). The datasheet explicitly defines MSC_IN as a clock/data input for synchronization and MSC_OUT as a differential LVDS output for actuator command transmission; no upstream data path is implemented.
TLE8888QKXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 100-LQFP Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- -
- Current - Supply:
- -
- Voltage - Supply:
- 4V ~ 28V
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-LQFP-100-12
TLE8888QKXUMA1 FAQ
1.How can I place an order for TLE8888QKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE8888QKXUMA1 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 TLE8888QKXUMA1 reliable?
The price and inventory of TLE8888QKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE8888QKXUMA1 is usually 5 days.
3.What payment methods are accepted for TLE8888QKXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE8888QKXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE8888QKXUMA1?
TLE8888QKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE8888QKXUMA1 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 TLE8888QKXUMA1?
For technical support, including TLE8888QKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE8888QKXUMA1 requirements.
6.How does Aetrix verify that TLE8888QKXUMA1 is sourced from the original manufacturer or authorized distributors?
All TLE8888QKXUMA1 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 TLE8888QKXUMA1 meets industry standards.
7.What is the process for return or replacement of TLE8888QKXUMA1?
All TLE8888QKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE8888QKXUMA1, 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 TLE8888QKXUMA1 part is unused and in its original packaging.
Return procedure for TLE8888QKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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