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Home > Products > Sensors, Transducers > Current Sensors

Infineon Technologies TLE4971A025T5E0001XUMA1

Name: TLE4971A025T5E0001XUMA1
Brand: Infineon Technologies
SKU: TLE4971A025T5E0001XUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE4971A025T5E0001XUMA1

Manufacturer:: Infineon Technologies

Category:: Current Sensors

Package:: 8-PowerTDFN

Datasheet:: TLE4971A025T5E0001XUMA1.pdf

Description:: SPEED & CURRENT SENSORS

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Product details

Overview

TLE4971A025T5E0001XUMA1 from Infineon is a high-precision, coreless magnetic current sensor in PG-TISON-8-6 package, designed for ±25A DC/AC current sensing in automotive power systems. It delivers 48 mV/A sensitivity, <±2.3% total error over temperature, and 210 kHz bandwidth with galvanic isolation up to 1150 V_peak. Used in onboard chargers and motor inverters where stray-field immunity and fast over-current detection are critical.

For engineers reviewing the TLE4971A025T5E0001XUMA1 datasheet, TLE4971A025T5E0001XUMA1 pinout, TLE4971A025T5E0001XUMA1 application, or TLE4971A025T5E0001XUMA1 equivalent, this page provides verified technical context, calibrated output behavior, OCD threshold configuration, thermal resistance (0.25 K/W), and EEPROM-programmable modes without external components.

Technical Context

The TLE4971A025T5E0001XUMA1 implements a differential Hall plate architecture with integrated current rail (220 µΩ, <1 nH parasitic inductance) enabling coreless measurement. Its semi-differential analog output operates at 1.65 V quiescent voltage and supports bidirectional/unidirectional sensing via EEPROM-configurable VOQ settings.

Two open-drain OCD outputs provide independent over-current detection with programmable thresholds (1.25× and 0.82× full-scale), zero-filter delay, and wired-AND capability. Internal self-diagnostic and Lead Tip Inspection (LTI) support functional safety compliance per ISO 26262 ASIL-B ready system integration.

Key Specifications

Parameter	Value and Actual Design Meaning
Full-scale range	±25 A - Enables precise low-current monitoring in battery management and auxiliary power stages
Sensitivity	48 mV/A - Delivers 1.2 V full-scale analog output swing for high SNR at 3.3 V supply
Total error (25°C)	±1.5 % - Includes linearity, offset, and gain error; eliminates need for end-of-line calibration
Bandwidth	210 kHz - Supports fast transient capture in SiC/GaN inverter switching and OBC phase control
Isolation rating	1150 V_peak VIORM - Meets reinforced insulation requirements for 400 V automotive battery systems
Primary resistance	220 µΩ - Limits conduction loss to <14 mW at 25 A RMS, reducing thermal stress on PCB
OCD response	Zero filter time - Enables sub-microsecond fault detection for IGBT/MOSFET short-circuit protection

Pinout & Package

Package: PG-TISON-8-6, 8×8 mm SMD, lead-tip inspectable, thermally optimized for solder-joint reliability and board-level heat dissipation (R_THJS = 0.25 K/W).

Pin/Terminal	Circuit Role	Design Meaning
1 VDD	Supply input	3.3 V nominal supply; internal LDO powers analog/digital blocks; decoupling capacitor required
2 GND	Ground reference	Common return for supply, analog output, and OCD logic; must be low-impedance plane
3 VREF	Reference output	Provides 1.65 V chip-internal reference in semi-differential mode; enables ratiometric offset control
4 AOUT	Analog signal output	Single-ended output proportional to IPN; ±1.2 V swing for ±25 A; drives ≤2 mA load
5 OCD1	Over-current output 1	Open-drain, active-low; triggers at 1.25× FS (31.25 A); no deglitching applied
6 OCD2	Over-current output 2	Open-drain, active-low; triggers at 0.82× FS (20.5 A); independent of OCD1 path
7 IP−	Negative current terminal	Current-out node of integrated 220 µΩ rail; connects to load or low-side switch
8 IP+	Positive current terminal	Current-in node of integrated rail; connects to battery or DC-link source

Key Features

Feature	Design Value
Coreless architecture	Eliminates saturation, hysteresis, and temperature drift inherent in ferromagnetic cores
Stray-field suppression	50 dB rejection up to 150 kHz - maintains accuracy near high-current traces or adjacent motors
EEPROM programmability	Stores OCD thresholds, blanking times, output mode, and LTI configuration without external MCU
Functional isolation	Galvanic barrier between current rail and signal pins meets reinforced insulation per DIN EN 60747-17
Self-diagnostic capability	Detects Hall plate failure, EEPROM corruption, and supply undervoltage during operation

Applications

Onboard Charger (OBC)

Motor Inverter Control

Use Scenario: Real-time AC input current monitoring during bidirectional charging of EV battery packs.

IC Role / Device Role / Timing Role: Coreless current sensor measuring primary-side AC current with 210 kHz bandwidth and ±1.5% total error.

Use Value: Enables accurate power regulation and grid synchronization without magnetic core drift or temperature-induced gain shift.

Use Scenario: Phase current sensing in 3-phase traction inverters for e-scooters and e-bikes.

IC Role / Device Role / Timing Role: High-bandwidth, isolated current feedback for PWM-driven IGBT gate drivers with OCD-triggered shutdown.

Use Value: Provides sub-microsecond fault response and 50 dB stray-field immunity in compact 8×8 mm footprint near high-dI/dt nodes.

Battery Management System (BMS)

DC-DC Converter Monitoring

Use Scenario: Bidirectional current measurement across HV/LV DC-DC isolators in 48 V–12 V power domains.

IC Role / Device Role / Timing Role: ±25 A coreless sensor with semi-differential output and 1.65 V quiescent reference for unipolar/bipolar detection.

Use Value: Delivers stable offset (<±230 mA over −40°C to +125°C) without recalibration across vehicle lifetime.

Use Scenario: Input/output current monitoring in high-efficiency automotive DC-DC converters (e.g., 48 V to 5 V PMIC rails).

IC Role / Device Role / Timing Role: Low-loss (220 µΩ) current rail sensor with ratiometric output scaling for supply-voltage variations.

Use Value: Minimizes conduction loss while maintaining ±2.3% total error across temperature and 15-year operational life.

Equivalent & Alternatives

The following parts are listed as comparable options for similar coreless current sensing applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ACS724LLCTR-20AU-T	20 A range, SOIC-8, 100 kHz bandwidth, ±1.5% sensitivity error, no EEPROM, no OCD outputs	Lacks dual OCD outputs and programmable thresholds; requires external comparator for fault detection	Choose when cost-sensitive, lower bandwidth suffices, and system-level fault logic is already implemented
TMCS1100A1QDR	25 A range, SOIC-8, 400 kHz bandwidth, ±0.8% initial error, ratiometric output, no isolation certification	No VIORM rating or ISO 26262 documentation; requires external isolation for automotive HV systems	Choose for non-safety-critical industrial DC-DC monitoring where higher bandwidth offsets missing safety compliance

Compared with ACS724LLCTR-20AU-T and TMCS1100A1QDR, the TLE4971A025T5E0001XUMA1 uniquely combines ASIL-B readiness, dual configurable OCD outputs, 1150 V_peak isolation, and factory-calibrated EEPROM programming-enabling drop-in replacement in OBC and inverter designs without added protection circuitry or calibration overhead.

Availability

TLE4971A025T5E0001XUMA1 is available at Aetrix Electronics and suitable for onboard chargers, motor inverters, and battery management systems requiring stable component supply, long-lifecycle assurance, and automotive-grade qualification.

Supply support for TLE4971A025T5E0001XUMA1 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 expertise.

The TLE4971 product line delivers coreless current sensing solutions engineered for ASIL-B compliant automotive power conversion-targeting OBC, traction inverters, and HV battery monitoring where precision, isolation, and functional safety are mandatory.

FAQ

What output modes does the TLE4971A025T5E0001XUMA1 support?

The device supports three analog output configurations: single-ended (VREF as input), fully-differential (AOUT and VREF as complementary outputs), and semi-differential (VREF as internal reference output). Semi-differential is the default factory setting, delivering 1.65 V quiescent voltage and 48 mV/A sensitivity for ±25 A range. Mode selection is stored in EEPROM and requires SICI interface programming.

How is over-current detection configured on this part?

OCD1 and OCD2 are independently programmable open-drain outputs with fixed threshold factors of 1.25× and 0.82× full-scale (31.25 A and 20.5 A respectively). Filter time is set to 0 µs by default, enabling immediate response to faults. Thresholds and blanking times are stored in EEPROM and can be updated in-circuit via the Serial Inspection and Configuration Interface (SICI).

Does the TLE4971A025T5E0001XUMA1 require external calibration?

No. The device ships fully calibrated from Infineon with all sensitivity, offset, and linearity corrections pre-programmed into its EEPROM. Total error remains within ±2.3% over −40°C to +125°C ambient without customer end-of-line calibration-reducing test time and eliminating production-line trimming steps.

What is the thermal performance of the PG-TISON-8-6 package?

On Infineon's reference PCB, the junction-to-soldering-point thermal resistance (R_THJS) is 0.25 K/W. With 25 A RMS current, power dissipation in the 220 µΩ rail is ~138 mW, resulting in <35°C temperature rise above board level-enabling reliable operation without heatsinking in space-constrained automotive modules.

TLE4971A025T5E0001XUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 8-PowerTDFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

For Measuring:: AC/DC

Sensor Type:: Current Sensor

Current - Sensing:: 25A

Number of Channels:: 1

Output:: Ratiometric, Voltage

Sensitivity:: 48mV/A

Frequency:: 210kHz

Linearity:: -

Accuracy:: -

Voltage - Supply:: 3.1V ~ 3.5V

Response Time:: 700ns

Current - Supply (Max):: 25mA

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Polarization:: Bidirectional

Mounting Type:: Surface Mount

Supplier Device Package:: PG-TISON-8-6

TLE4971A025T5E0001XUMA1 FAQ

1.How can I place an order for TLE4971A025T5E0001XUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4971A025T5E0001XUMA1 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 TLE4971A025T5E0001XUMA1 reliable?

The price and inventory of TLE4971A025T5E0001XUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4971A025T5E0001XUMA1 is usually 5 days.

3.What payment methods are accepted for TLE4971A025T5E0001XUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4971A025T5E0001XUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4971A025T5E0001XUMA1?

TLE4971A025T5E0001XUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4971A025T5E0001XUMA1 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 TLE4971A025T5E0001XUMA1?

For technical support, including TLE4971A025T5E0001XUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4971A025T5E0001XUMA1 requirements.

6.How does Aetrix verify that TLE4971A025T5E0001XUMA1 is sourced from the original manufacturer or authorized distributors?

All TLE4971A025T5E0001XUMA1 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 TLE4971A025T5E0001XUMA1 meets industry standards.

7.What is the process for return or replacement of TLE4971A025T5E0001XUMA1?

All TLE4971A025T5E0001XUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4971A025T5E0001XUMA1, 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 TLE4971A025T5E0001XUMA1 part is unused and in its original packaging.

Return procedure for TLE4971A025T5E0001XUMA1:

1.Submit a request within 90 days.

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

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