BSP742RNUMA1 Equivalent & Substitute Parts

Part Overview

The BSP742RNUMA1 is a Power Management IC (PMIC) functioning as a power switch with N-channel output configuration, rated for 400mA maximum output current. Manufactured by Infineon Technologies, this component operates across a load voltage range of 5V to 34V with a typical on-resistance (Rds On) of 250mOhm. The device features integrated fault protection including current limiting, over-temperature, and over-voltage protection, making it suitable for automotive applications with AEC-Q100 qualification.

The BSP742RNUMA1 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this component.

Substiute Parts

BSP742RNUMA1

Infineon TechnologiesIn Stock: 817BSP742RNUMA1 Datasheet

Current PartRFQ

BSP742RIXUMA1

Infineon TechnologiesIn Stock: 60202BSP742RIXUMA1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BSP742RNUMA1 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Output Type: N-Channel
• Output Configuration: High Side
• Number of Outputs: 1 (single output)
• Ratio - Input:Output: 1:1
• Voltage - Load: 5V ~ 34V (identical range)
• Current - Output (Max): 400mA (identical rating)
• Rds On (Typ): 250mOhm (identical specification)
• Input Type: Non-Inverting
• Interface: On/Off
• Fault Protection: Current Limiting (Fixed), Over Temperature, Over Voltage (identical protection features)
• Operating Temperature: -40°C ~ 150°C (TJ) (identical range)

Mechanical & Packaging Equivalence Criteria:

• Package / Case: 8-SOIC (0.154", 3.90mm Width) (identical package)
• Mounting Type: Surface Mount (identical mounting)
• Moisture Sensitivity Level (MSL): 3 (168 Hours) (identical MSL rating)

Compliance & Qualification Criteria:

• Grade: Automotive
• Qualification: AEC-Q100

The BSP742RIXUMA1 meets all electrical, mechanical, and compliance requirements for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

The BSP742RIXUMA1 is the direct parametric equivalent for the obsolete BSP742RNUMA1. Both components share identical electrical specifications, mechanical packaging, and thermal operating ranges. The substitute part maintains automotive-grade qualification and AEC-Q100 certification, ensuring compliance with automotive reliability standards.

The primary distinction is product status: the BSP742RNUMA1 is obsolete, while the BSP742RIXUMA1 is active with confirmed inventory availability (60,100 pieces). The BSP742RIXUMA1 additionally carries ROHS3 compliance certification, providing enhanced environmental regulatory alignment.

For new designs or production continuity requiring the BSP742RNUMA1 functionality, the BSP742RIXUMA1 is the appropriate selection based on electrical equivalence, active product status, and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the BSP742RIXUMA1 directly replace the BSP742RNUMA1 in existing designs?

A: Yes. The BSP742RIXUMA1 is electrically and mechanically equivalent to the BSP742RNUMA1 across all specified parameters, including output current rating (400mA), on-resistance (250mOhm), load voltage range (5V ~ 34V), operating temperature range (-40°C ~ 150°C), and fault protection features. Both components use identical 8-SOIC packaging and surface mount configuration.

Q: What is the primary reason for substitution?

A: The BSP742RNUMA1 is classified as obsolete. The BSP742RIXUMA1 is an active product from the same manufacturer with identical specifications, ensuring design continuity and supply chain availability.

Q: Are there any compliance differences between the two parts?

A: Both parts maintain automotive-grade qualification and AEC-Q100 certification. The BSP742RIXUMA1 additionally carries ROHS3 compliance certification. Both parts have identical Moisture Sensitivity Level (MSL) ratings of 3 (168 Hours).

Q: Is PCB layout modification required when substituting these parts?

A: No. Both the BSP742RNUMA1 and BSP742RIXUMA1 use the same 8-SOIC (0.154", 3.90mm Width) package and surface mount configuration. No PCB redesign or layout changes are necessary.

Q: What are the key electrical parameters that define substitution compatibility?

A: Substitution compatibility is determined by: N-channel output type, high-side output configuration, single output (1:1 ratio), 400mA maximum output current, 250mOhm typical on-resistance, 5V ~ 34V load voltage range, non-inverting input type, on/off interface, and identical fault protection (current limiting, over-temperature, over-voltage).