TPIC46L03DBR Equivalent & Substitute Parts

Part Overview

The TPIC46L03DBR is a low-side gate driver IC manufactured by Texas Instruments, designed for N-channel MOSFET applications in power management circuits. This device features non-inverting logic, independent channel configuration with 6 drivers, and operates within a 4.5V to 5.5V supply voltage range. The TPIC46L03DBR is classified as obsolete, making identification of equivalent substitute parts essential for ongoing design support and production continuity.

Substiute Parts

TPIC46L03DBR

Texas InstrumentsIn Stock: 964TPIC46L03DBR Datasheet

Current PartRFQ

TPIC46L01DBR

Texas InstrumentsIn Stock: 2423TPIC46L01DBR Datasheet

MFR RecommendedRFQ

TPIC46L02DBG4

Texas InstrumentsIn Stock: 1577TPIC46L02DBG4 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TPIC46L03DBR are qualified based on strict electrical and mechanical parameter matching:

Critical Matching Parameters:

• Driven Configuration: Low-Side
• Number of Drivers: 6
• Gate Type: N-Channel MOSFET
• Voltage - Supply: 4.5V ~ 5.5V
• Current - Peak Output (Source, Sink): 1.2mA, 1.2mA
• Input Type: Non-Inverting
• Rise / Fall Time (Typ): 4.6µs, 3µs
• Operating Temperature: -40°C ~ 150°C (TJ)
• Package / Case: 28-SSOP (0.209", 5.30mm Width)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

All identified substitute parts maintain identical electrical specifications and mechanical compatibility with the TPIC46L03DBR, ensuring direct functional equivalence in low-side gate driver applications.

Parameter Comparison

Engineering Selection Recommendations

TPIC46L01DBR is the primary substitute for the obsolete TPIC46L03DBR. This part maintains active product status with Texas Instruments, ensuring long-term availability and supply chain stability. All electrical and mechanical parameters are identical to the TPIC46L03DBR. ROHS3 compliance and MSL Level 1 rating confirm environmental and handling compatibility. Packaging is supplied in Tape & Reel format, supporting automated assembly processes.

TPIC46L02DBG4 provides an alternative substitute with identical electrical specifications and package compatibility. This part is discontinued at DiGi Electronics but remains available through alternative distribution channels. Selection of this part should account for potential supply limitations compared to the TPIC46L01DBR.

Both substitute parts satisfy all compliance requirements, including ROHS3 and REACH standards, matching the regulatory profile of the original TPIC46L03DBR.

Frequently Asked Questions (FAQ)

Q: Can TPIC46L01DBR directly replace TPIC46L03DBR in existing designs? A: Yes. The TPIC46L01DBR is electrically and mechanically equivalent to the TPIC46L03DBR. All critical parameters—supply voltage, output current, rise/fall times, operating temperature range, and package configuration—are identical. Direct substitution is supported without circuit modification.

Q: What is the difference between TPIC46L01DBR and TPIC46L02DBG4? A: Both parts are electrically identical to the TPIC46L03DBR and to each other. The primary difference is product status: TPIC46L01DBR is active, while TPIC46L02DBG4 is discontinued at DiGi Electronics. For new designs and ongoing production, TPIC46L01DBR is the preferred choice due to superior availability.

Q: Are there packaging differences between the substitute parts? A: All three parts use the 28-SSOP package with identical dimensions (0.209", 5.30mm Width). TPIC46L01DBR is supplied in Tape & Reel packaging, while TPIC46L03DBR and TPIC46L02DBG4 packaging specifications are not detailed. Verify packaging format with your supplier for automated assembly compatibility.

Q: Do the substitute parts meet the same compliance standards? A: Yes. Both TPIC46L01DBR and TPIC46L02DBG4 are ROHS3 compliant, REACH unaffected, and carry MSL Level 1 rating, matching the compliance profile of the TPIC46L03DBR.

Q: Why is TPIC46L03DBR marked as obsolete? A: The TPIC46L03DBR has been discontinued by Texas Instruments. The TPIC46L01DBR serves as the active replacement, offering identical functionality with ongoing manufacturer support and availability.