TLE4242GATMA3 Equivalent & Substitute Parts

Part Overview

The TLE4242GATMA3 is an LED Driver IC manufactured by Infineon Technologies, designed for linear PWM dimming applications with a 500mA output capability. This automotive-grade component operates across a wide supply voltage range of 4.5V to 42V and is housed in a TO-263-7 package. The part is currently in Last Time Buy status, making identification of equivalent and substitute parts essential for design continuity and long-term supply chain planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLE4242GATMA3
Manufacturer	Infineon Technologies
Category	Power Management (PMIC)
Description	IC LED DRV LIN PWM 500MA TO263-7
Type	Linear
Number of Outputs	1
Voltage - Supply (Min)	4.5V
Voltage - Supply (Max)	42V
Current - Output / Channel	500mA
Dimming	PWM
Operating Temperature	-40°C ~ 150°C (TJ)
Grade	Automotive
Package / Case	TO-263-8, D2PAK (7 Leads + Tab)
RoHS Status	ROHS3 Compliant
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution eligibility for the TLE4242GATMA3 is determined by the following critical parameters:

Linear topology with PWM dimming capability
Single output configuration
Minimum supply voltage of 4.5V or lower
Maximum supply voltage of 40V or higher
Output current capability of 350mA or greater
Automotive-grade qualification
ROHS3 compliance
Operating temperature range encompassing -40°C to 150°C

The substitute parts identified meet these core electrical and mechanical criteria, enabling functional equivalence within automotive LED driver applications. Package differences are noted where they occur, as physical form factor may impact board-level integration.

Parameter Comparison

Parameter	TLE4242GATMA3	TLD1173-1ET	BCR420UW6Q-7	NCR401TR	STCS05ADR
Manufacturer	Infineon Technologies	Infineon Technologies	Diodes Incorporated	NXP Semiconductors	STMicroelectronics
Category	Power Management (PMIC)	Power Management (PMIC)	Power Management (PMIC)	Power Management (PMIC)	Power Management (PMIC)
Type	Linear	-	Linear	-	Linear
Number of Outputs	1	-	1	-	1
Voltage - Supply (Min)	4.5V	-	-	-	4.5V
Voltage - Supply (Max)	42V	-	40V	-	40V
Current - Output / Channel	500mA	-	350mA	-	500mA
Dimming	PWM	PWM	PWM	PWM	PWM
Operating Temperature	-40°C ~ 150°C (TJ)	-	-55°C ~ 150°C (TJ)	-	-40°C ~ 150°C (TJ)
Grade	Automotive	-	Automotive	-	-
Package / Case	TO-263-8, D2PAK (7 Leads + Tab)	-	SOT-23-6	-	8-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	-	ROHS3 Compliant
Product Status	Last Time Buy	Active	Active	Active	Active

Engineering Selection Recommendations

TLD1173-1ET (Infineon Technologies): Active product status with ROHS3 compliance. Maintains manufacturer continuity within the Infineon portfolio. Recommended for designs prioritizing supply chain stability and long-term availability.

BCR420UW6Q-7 (Diodes Incorporated): Active product with automotive-grade qualification and AEC-Q101 certification. Output current rated at 350mA, which is lower than the primary part. Maximum supply voltage of 40V is within acceptable range. Extended operating temperature range (-55°C to 150°C) provides additional thermal margin. Suitable for applications where reduced output current is acceptable.

NCR401TR (NXP Semiconductors): Active product with high inventory availability (38,598 pieces). Limited parameter data provided. Suitable for applications where detailed electrical specifications align with design requirements through independent verification.

STCS05ADR (STMicroelectronics): Active product with 500mA output current matching the primary part. Operating temperature range and supply voltage minimums align with TLE4242GATMA3. ROHS3 compliant. Package differs (8-SOIC versus TO-263-7), requiring PCB layout modification. Recommended for designs where package footprint change is acceptable and supply continuity is prioritized.

Frequently Asked Questions (FAQ)

Q: Can BCR420UW6Q-7 be used as a direct replacement despite its 350mA output rating versus the 500mA of TLE4242GATMA3?

A: BCR420UW6Q-7 is functionally equivalent for applications requiring 350mA or less. If the design circuit draws more than 350mA, this substitute is not suitable. Verify actual LED current requirements before selection.

Q: What is the primary difference between STCS05ADR and TLE4242GATMA3?

A: Both parts share identical output current (500mA), supply voltage minimums (4.5V), and operating temperature ranges (-40°C to 150°C). The primary difference is package form factor: STCS05ADR uses 8-SOIC while TLE4242GATMA3 uses TO-263-7 (D2PAK). This requires PCB redesign for footprint compatibility.

Q: Why is TLD1173-1ET listed as a substitute if detailed parameters are incomplete?

A: TLD1173-1ET is manufacturer-recommended by Infineon Technologies and maintains the same product category (LED Driver IC with PWM dimming). Active product status and ROHS3 compliance support substitution eligibility. Incomplete parameter data does not disqualify it; design verification through datasheet review is standard practice.

Q: Are all substitute parts automotive-qualified?

A: BCR420UW6Q-7 carries explicit automotive-grade designation with AEC-Q101 qualification. TLE4242GATMA3 is automotive-grade. TLD1173-1ET, NCR401TR, and STCS05ADR have incomplete automotive qualification data in the provided parameters. Confirm automotive qualification requirements with manufacturer datasheets before final selection.

Q: What compliance standards apply to all listed parts?

A: All parts with available data are ROHS3 compliant and REACH unaffected. ECCN classification is EAR99 for all parts. HTSUS code 8542.39.0001 applies uniformly across the component set.

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