TPS3779ADBVR Equivalent & Substitute Parts

Part Overview

The TPS3779ADBVR is a multi-voltage supervisor IC manufactured by Texas Instruments, designed for power management applications requiring dual-channel voltage monitoring. This Surface Mount device operates across the industrial temperature range of -40°C to 125°C and delivers push-pull, totem pole output with active low reset functionality. The part is ROHS3 compliant and currently in active production status with 685 units in stock.

Substitute parts are necessary when the primary part number becomes unavailable, when specific packaging variants are required, or when automotive-grade qualification is mandated for end applications.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Type	Multi-Voltage Supervisor
Number of Voltages Monitored	2
Voltage Threshold	Adjustable/Selectable
Output Configuration	Push-Pull, Totem Pole
Reset Logic	Active Low
Operating Temperature Range	-40°C ~ 125°C (TJ)
Package / Case	SOT-23-6
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

All substitute parts listed share the core electrical and mechanical specifications of the TPS3779ADBVR. Substitution eligibility is determined by the following criteria:

Core Compatibility Parameters:

Manufacturer: Texas Instruments (all variants)
Base Product Number: TPS3779 (all variants)
Type: Multi-Voltage Supervisor with 2-channel monitoring
Output: Push-Pull, Totem Pole configuration
Reset: Active Low
Package: SOT-23-6 (Surface Mount)
Operating Temperature: -40°C ~ 125°C (TJ)
Compliance: ROHS3 Compliant, REACH Unaffected

Variant Differentiators:

Packaging suffix (R = Tape & Reel, T = Tube)
Temperature grade letter (A, B, C, D variants)
Automotive qualification (Q suffix with AEC-Q100 certification)
Moisture Sensitivity Level (MSL 1 for industrial, MSL 2 for automotive-qualified parts)

All listed substitutes maintain identical functional performance and pinout compatibility within the SOT-23-6 package footprint.

Parameter Comparison

Part Number	Packaging	Temperature Grade	Automotive Grade	MSL	Inventory (Pcs)	Product Status
TPS3779ADBVR	Tape & Reel	A	No	1	685	Active
TPS3779ADBVT	Tube	A	No	1	1117	Active
TPS3779BDBVT	Tube	B	No	1	1272	Active
TPS3779BQDBVRQ1	Tape & Reel	B	Yes (AEC-Q100)	2	6300	Active
TPS3779CDBVR	Tape & Reel	C	No	1	787	Active
TPS3779CDBVT	Tube	C	No	1	1215	Active
TPS3779CQDBVRQ1	Tape & Reel	C	Yes (AEC-Q100)	2	851	Active
TPS3779DDBVR	Tape & Reel	D	No	1	620	Active
TPS3779DDBVT	Tube	D	No	1	1222	Active

Engineering Selection Recommendations

For Industrial Applications (Non-Automotive): Select from TPS3779ADBVR, TPS3779ADBVT, TPS3779BDBVT, TPS3779CDBVR, TPS3779CDBVT, TPS3779DDBVR, or TPS3779DDBVT. All maintain MSL 1 (Unlimited) moisture sensitivity and are suitable for standard commercial and industrial environments. Choose packaging based on assembly requirements: Tape & Reel (R suffix) for automated pick-and-place operations, or Tube (T suffix) for manual assembly or lower-volume production.

For Automotive Applications: Select TPS3779BQDBVRQ1 or TPS3779CQDBVRQ1. Both carry AEC-Q100 automotive qualification and MSL 2 (1 Year) moisture sensitivity rating. These variants are required for automotive-grade power management systems and meet automotive industry reliability standards.

For Packaging Continuity: If the original design specifies Tape & Reel packaging, maintain selection within R-suffix variants (TPS3779ADBVR, TPS3779CDBVR, TPS3779DDBVR, TPS3779BQDBVRQ1, TPS3779CQDBVRQ1). If Tube packaging is acceptable, T-suffix variants offer higher inventory availability.

All substitute parts are in active production status and maintain full ROHS3 compliance and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can TPS3779ADBVR be directly replaced with TPS3779CDBVR? A: Yes. Both parts share identical electrical specifications, output configuration, package footprint (SOT-23-6), and operating temperature range. The letter designation (A vs. C) indicates temperature grade variants within the same product family. Direct substitution is electrically and mechanically compatible.

Q: What is the difference between Tape & Reel (R) and Tube (T) packaging? A: Tape & Reel packaging is optimized for automated assembly lines with pick-and-place equipment. Tube packaging is used for manual assembly or lower-volume production runs. Both contain identical components; the difference is in delivery format and handling method. Select based on your manufacturing process requirements.

Q: Can automotive-qualified parts (Q suffix) be used in non-automotive applications? A: Yes. Automotive-qualified variants (TPS3779BQDBVRQ1, TPS3779CQDBVRQ1) exceed industrial requirements and are fully compatible with non-automotive designs. However, they carry higher MSL ratings (MSL 2) and may have different moisture handling requirements during storage and assembly.

Q: Are all substitute parts pin-compatible with the original TPS3779ADBVR? A: Yes. All listed substitutes use the SOT-23-6 package with identical pinout. No PCB layout modifications are required for substitution.

Q: What does MSL 1 (Unlimited) versus MSL 2 (1 Year) mean? A: MSL (Moisture Sensitivity Level) indicates how long a component can be stored in standard conditions before requiring baking before reflow soldering. MSL 1 (Unlimited) allows indefinite storage without baking. MSL 2 (1 Year) requires baking if the component has been stored for more than one year in standard humidity conditions. Industrial parts typically carry MSL 1; automotive-qualified parts typically carry MSL 2.

Q: Which substitute offers the highest inventory availability? A: TPS3779BQDBVRQ1 has the highest inventory with 6300 units in stock. This automotive-qualified variant is suitable for both automotive and industrial applications.

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