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Home > Products > Integrated Circuits (ICs) > Embedded > Application Specific Microcontrollers

Infineon Technologies TLE9834QXXUMA1

Name: TLE9834QXXUMA1
Brand: Infineon Technologies
SKU: TLE9834QXXUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE9834QXXUMA1

Manufacturer:: Infineon Technologies

Category:: Application Specific Microcontrollers

Package:: 48-VFQFN Exposed Pad

Datasheet:: TLE9834QXXUMA1.pdf

Description:: IC MOTOR DRIVER 48VQFN

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TLE9834QXXUMA1 from Infineon Technologies is an automotive-qualified 8-bit microcontroller integrating LIN transceiver, dual high-side and dual low-side power switches, 60 kB Flash + 4 kB emulated EEPROM, XC800 core (40 MHz), and on-chip 1.5 V/5.0 V regulators - designed for body control modules, seat/mirror actuators, and LIN-connected smart sensors in 12 V vehicle systems.

For engineers reviewing the TLE9834QXXUMA1 datasheet, TLE9834QXXUMA1 pinout, TLE9834QXXUMA1 application, or TLE9834QXXUMA1 equivalent, this device delivers integrated power switching, LIN physical layer compliance, deterministic real-time control, and fail-safe clock monitoring - critical for cost-sensitive, space-constrained automotive subsystems requiring functional safety awareness.

Technical Context

The TLE9834QXXUMA1 combines an XC800 8051-compatible core with dedicated hardware peripherals for automotive actuation: its PMU provides independent 1.5 V core and 5.0 V I/O regulation, while loss-of-clock detection triggers automatic fail-safe shutdown of integrated power switches. The LIN transceiver meets ISO 17987-4 (LIN 2.1) electrical specs and supports bootloader operation via LIN BSL.

Its dual high-side (R_DS(on) = 120 mΩ typ. @ T_j = 25°C) and dual low-side (R_DS(on) = 80 mΩ typ.) switches feature overcurrent protection, thermal shutdown, and PWM-capable gate drivers - all controlled directly by CCU6 timers and monitored via ADC1 (10-bit) and ADC2 (8-bit) with supply voltage attenuation and temperature sensing.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	XC800 8051-compatible, 40 MHz max, two clocks per machine cycle - enables deterministic 25 ns instruction timing for real-time actuator control.
Memory	60 kB Flash + 4 kB emulated EEPROM, 256 B RAM, 3 kB XRAM - sufficient for LIN stack, motor control firmware, and calibration data storage.
LIN Compliance	LIN 1.3 / 2.0 / 2.1 transceiver integrated, ISO 17987-4 compliant - eliminates external transceiver and reduces BOM count in LIN node designs.
Power Switches	2× high-side (120 mΩ R_DS(on)), 2× low-side (80 mΩ R_DS(on)) with clamping, overcurrent & thermal shutdown - drives relays, solenoids, and small DC motors directly.
Analog Peripherals	ADC1: 10-bit, 8-channel; ADC2: 8-bit, 4-channel; VBAT_SENSE attenuator; on-die temperature sensor - enables closed-loop voltage/current/temperature monitoring.
Clock System	On-chip oscillator + PLL, loss-of-clock detection with fail-safe mode - ensures safe power switch deactivation during clock failure per ASIL-B awareness requirements.
Debug Interface	2-wire Device Access Port (DAP) - enables in-system programming and real-time debugging without additional pins or debug headers.

Pinout & Package

Package: PG-VQFN-48-77 (7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad).

Pin/Terminal	Circuit Role	Design Meaning
VDDP	I/O Supply Voltage	5.0 V regulated supply input for GPIO, LIN transceiver, and peripheral logic - must be decoupled with ≥10 µF ceramic capacitor.
VDDC	Core Supply Voltage	1.5 V regulated supply for XC800 core - derived internally from VDDP; external bypass required per datasheet Section 4.5.
HS1, HS2	High-Side Switch Outputs	Drain terminals of integrated N-channel high-side drivers - connect to load high-side; support PWM up to 20 kHz with current limiting.
LS1, LS2	Low-Side Switch Outputs	Source terminals of integrated N-channel low-side drivers - connect to load ground side; include active clamping for inductive kickback suppression.
TXD_LIN / RXD_LIN	LIN Transceiver I/O	Dedicated differential LIN bus interface pins - require no external level-shifting; support wake-up via bus activity.
ADCGND	Analog Ground Reference	Separate analog ground plane connection - must be routed independently from digital GND to minimize ADC noise coupling.

Key Features

Feature	Design Value
LIN Bootstrap Loader (LIN BSL)	Enables field firmware updates over LIN bus without debugger - reduces service cost and supports OTA-like reprogramming in production vehicles.
Fail-Safe Clock Monitoring	Automatic power switch disable and system reset upon oscillator/PLL failure - satisfies functional safety requirements for ASIL-B–aware actuator control.
Integrated Power Switch Protection	Overcurrent detection, thermal shutdown, and open-load diagnostics per switch - eliminates need for discrete protection ICs in relay/solenoid driver stages.
VBAT_SENSE Attenuator	Fixed 1:10 resistive divider for battery voltage monitoring - enables accurate 12 V system supervision using internal 10-bit ADC without external components.
CCU6 PWM Generation	Dedicated capture/compare unit with dead-time insertion and fault input - supports precise 3-phase motor commutation or multi-channel LED dimming control.

Applications

Seat Position Control

Mirror Adjustment Module

Use Scenario: Electric seat motors require bidirectional drive, position feedback, and LIN-based command reception from central body controller.

IC Role / Device Role / Timing Role: TLE9834QXXUMA1 acts as local actuator controller - executes motor direction/PWM, reads potentiometer ADC, and communicates status via LIN.

Use Value: Integrated H/L switches eliminate 4 external MOSFETs; LIN transceiver removes external PHY; VBAT_SENSE enables battery undervoltage lockout.

Use Scenario: Side-view mirror folding/unfolding and tilt adjustment using small DC motors, controlled via LIN commands from door module.

IC Role / Device Role / Timing Role: MCU manages dual motor direction, monitors end-stop switches via GPIO, and reports fault states over LIN.

Use Value: Dual low-side switches drive motors with active clamping; on-chip temperature sensor prevents thermal damage during stall conditions.

Smart Window Lift Controller

LIN-Based Ambient Light Sensor Node

Use Scenario: One-touch auto-up/down window function with anti-pinch detection using current sensing and timeout logic.

IC Role / Device Role / Timing Role: Real-time current monitoring via ADC1, PWM-controlled H-bridge drive (using HS/LS pairs), and LIN status reporting.

Use Value: Integrated 10-bit ADC resolves motor current changes at ≤50 mA steps; fail-safe clock monitoring disables drive on MCU hang.

Use Scenario: Cabin ambient light measurement for automatic headlight/dimming control, communicating luminance values over LIN.

IC Role / Device Role / Timing Role: Reads photodiode signal via ADC2, compensates for temperature drift using on-die sensor, and transmits calibrated data via LIN.

Use Value: 8-bit ADC2 with dedicated analog front-end minimizes external signal conditioning; LIN BSL allows post-deployment calibration updates.

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller-with-integrated-drivers applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLF35584ESV33	System basis chip (SBC) only - no MCU core or Flash memory; provides 3x LDOs, watchdog, and LIN transceiver.	Requires external MCU for logic; suitable when control complexity exceeds TLE9834 capacity or when higher ASIL-D compliance is mandated.	Select when separating power management and computation improves safety analysis or when >64 kB Flash is needed.
SPC560B50L5	32-bit Power Architecture MCU (e200z0) with CAN, no integrated power switches; requires external half-bridge drivers.	Targeted at higher-performance body domain controllers with CAN backbone integration; lacks LIN transceiver and embedded switches.	Select when CAN communication, larger memory, or advanced motor control algorithms (e.g., FOC) are required.

Compared with TLF35584ESV33 and SPC560B50L5, the TLE9834QXXUMA1 uniquely integrates MCU, LIN, and dual H/L switches in one package - reducing component count and PCB area for cost-sensitive LIN nodes where 8-bit performance suffices.

Availability

TLE9834QXXUMA1 is available at Aetrix Electronics and suitable for seat control modules, mirror adjustment units, window lift systems, and LIN-sensor nodes requiring stable component supply across automotive production lifecycles.

Supply support for TLE9834QXXUMA1 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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and sensor solutions - with global R&D centers and automotive-grade manufacturing facilities.

The TLE9834QXXUMA1 belongs to Infineon's TLE98xx family of automotive LIN system-on-chip devices - engineered to replace discrete MCU + transceiver + driver combinations in cost- and space-constrained body electronics.

FAQ

What LIN protocol versions does the TLE9834QXXUMA1 support?

The TLE9834QXXUMA1 integrates a LIN transceiver compliant with LIN 1.3, LIN 2.0, and LIN 2.1 specifications per ISO 17987-4. It supports standard LIN frame formats, sleep/wake functionality, and error handling including sync-field and checksum validation - enabling interoperability with legacy and modern LIN master nodes without external components.

Does the TLE9834QXXUMA1 support in-circuit debugging?

Yes - it features a 2-wire Device Access Port (DAP) supporting full-speed debugging, flash programming, and real-time variable inspection via Infineon's DAS (Debug Access Server) and compatible IDEs like DAVE™. No JTAG header or additional pins are required; debugging uses dedicated DAP pins (DIO/DCLK) with minimal board footprint impact.

How are the integrated high-side and low-side switches protected?

Each switch includes overcurrent detection (trip threshold adjustable via register), thermal shutdown (junction temperature > 165°C), open-load detection, and short-to-battery/ground diagnostics. High-side switches also provide active clamp for inductive loads; low-side switches feature integrated flyback diodes - all protections generate interrupt flags readable by the XC800 core.

Can the TLE9834QXXUMA1 operate without an external crystal?

Yes - it contains an internal RC oscillator (±2% accuracy) sufficient for LIN baud rate generation and general-purpose timing. An external crystal (1–20 MHz) may be used for higher precision; the PLL supports multiplication up to 40 MHz. Loss-of-clock detection automatically disables power switches if the selected clock source fails.

TLE9834QXXUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 48-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Programmable:: Not Verified

Applications:: -

Core Processor:: XC800

Program Memory Type:: FLASH (64kB)

Controller Series:: -

RAM Size:: 3.25K x 8

Interface:: LIN, SSI, UART

Number of I/O:: 11

Voltage - Supply:: 3V ~ 27V

Operating Temperature:: -40°C ~ 150°C (TJ)

Grade:: Automotive

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-VQFN-48-29

TLE9834QXXUMA1 FAQ

1.How can I place an order for TLE9834QXXUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE9834QXXUMA1 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 TLE9834QXXUMA1 reliable?

The price and inventory of TLE9834QXXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE9834QXXUMA1 is usually 5 days.

3.What payment methods are accepted for TLE9834QXXUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE9834QXXUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE9834QXXUMA1?

TLE9834QXXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE9834QXXUMA1 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 TLE9834QXXUMA1?

For technical support, including TLE9834QXXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE9834QXXUMA1 requirements.

6.How does Aetrix verify that TLE9834QXXUMA1 is sourced from the original manufacturer or authorized distributors?

All TLE9834QXXUMA1 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 TLE9834QXXUMA1 meets industry standards.

7.What is the process for return or replacement of TLE9834QXXUMA1?

All TLE9834QXXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE9834QXXUMA1, 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 TLE9834QXXUMA1 part is unused and in its original packaging.

Return procedure for TLE9834QXXUMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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