Infineon Technologies TLE94003EPXUMA1

Overview

TLE94003EPXUMA1 from Infineon is a protected triple half-bridge driver IC for automotive motion control, featuring three independent half-bridge outputs, 5.5–20 V operating voltage, <0.1 µA quiescent current at 85°C, and integrated short-circuit, overtemperature, and cross-current protection. It drives DC motors in side mirror x-y adjustment systems with forward, reverse, brake, and high-impedance modes via direct logic-level interface.

For engineers reviewing the TLE94003EPXUMA1 datasheet, TLE94003EPXUMA1 pinout, TLE94003EPXUMA1 application, or TLE94003EPXUMA1 equivalent, key selection criteria include its AEC-Q100 qualification, PG-TSDSO-14 exposed-pad thermal package, 0.9 A minimum overcurrent threshold, and 3.3/5 V-compatible input hysteresis for robust automotive ECU interfacing.

Technical Context

The device implements three independent high-side/low-side MOSFET driver stages with dedicated charge pumps, each supporting bidirectional DC motor control through discrete INx/ENx logic inputs. Its diagnostic architecture includes per-channel open-load detection, short-to-battery/ground monitoring, and real-time thermal shutdown at 150°C junction temperature.

Protection logic operates autonomously without host intervention: undervoltage lockout triggers below 5.5 V on VS and 3.0 V on VDD; overvoltage lockout activates above 40 V on VS; cross-current protection disables both switches in a half-bridge if simultaneous conduction is detected.

Key Specifications

Pinout & Package

Package: PG-TSDSO-14 (exposed die pad), 5.0 × 6.0 mm body, 0.65 mm pitch, RoHS-compliant, designed for high thermal dissipation and EMC performance via soldered EP connection to GND plane.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar triple half-bridge driver applications.

Compared with BD37030FV-M and DRV8876N, the TLE94003EPXUMA1 uniquely balances AEC-Q100 compliance, ultra-low sleep current, direct interface simplicity, and integrated diagnostics in a thermally optimized 14-pin package-making it optimal for cost- and space-constrained automotive body electronics.

Availability

TLE94003EPXUMA1 is available at Aetrix Electronics and suitable for automotive HVAC flap control, side mirror actuation, monostable relay driving, and bistable relay driving requiring stable component supply across production lifecycles.

Supply support for TLE94003EPXUMA1 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 electronics, and industrial control ICs, with global manufacturing and automotive qualification infrastructure.

The TLE94003EPXUMA1 belongs to Infineon's TLE94xx family of protected half-bridge drivers, engineered specifically for automotive body electronics requiring functional safety, low-power sleep modes, and robust fault handling in harsh environments.

FAQ

What is the maximum continuous output current per half-bridge?

The TLE94003EPXUMA1 supports ±2.0 A continuous output current per half-bridge under specified thermal conditions (T_j ≤ 150°C, proper PCB copper area). Peak current capability exceeds 3.5 A for short durations, limited by internal thermal shutdown and overcurrent detection thresholds set at 0.9 A minimum trip level.

Can the exposed die pad (EP) be left unconnected?

No-the exposed die pad must be either left open or connected to GND. Infineon explicitly recommends soldering the EP to the PCB ground plane to achieve optimal thermal performance and EMC behavior. Leaving it floating degrades junction-to-board thermal resistance by up to 60% and increases radiated emissions in motor drive applications.

Does the device support PWM speed control of DC motors?

Yes-each half-bridge accepts logic-level PWM signals on its INx input to modulate motor voltage and control speed. The device maintains full protection (short-circuit, overtemperature, cross-current) during PWM operation, and its fast switching characteristics support frequencies up to 20 kHz without degradation in R_DS(on) or fault response time.

How does the error flag (EF) indicate multiple simultaneous faults?

The EF pin is an open-drain output that asserts low whenever any fault occurs-including overtemperature, short-to-VS/GND, open-load, or cross-current-and remains low until all faults are cleared and the device exits reset. It does not encode fault type; external logic or MCU polling of enable/input states is required to isolate root cause.