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UCC2912NG4 Equivalent & Substitute Parts
Part Overview
The UCC2912NG4 is a Hot Swap Controller designed for general-purpose applications, featuring 1 channel with internal switching capability. This device manages inrush current limiting and fault protection in power distribution systems. The UCC2912NG4 is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The active substitute UCC2912DP provides identical functional performance in an alternative package configuration.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Base Product Number | UCC2912 |
| Type | Hot Swap Controller |
| Number of Channels | 1 |
| Internal Switch(s) | Yes |
| Voltage - Supply | 3V ~ 8V |
| Current - Output (Max) | 4A |
| Operating Temperature | -40°C ~ 85°C |
| Current - Supply | 1 mA |
| Features | Latched Fault, Thermal Limit |
| Programmable Features | Current Limit, Fault Timeout |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution eligibility for the UCC2912NG4 is determined by strict equivalence across the following critical parameters:
- Base product number (UCC2912)
- Functional classification (Hot Swap Controller)
- Channel count (1 channel)
- Internal switch presence (Yes)
- Supply voltage range (3V ~ 8V)
- Maximum output current (4A)
- Operating temperature range (-40°C ~ 85°C)
- Feature set (Latched Fault, Thermal Limit)
- Programmable capabilities (Current Limit, Fault Timeout)
- Regulatory compliance (ROHS3, REACH Unaffected)
The UCC2912DP qualifies as a direct functional equivalent, sharing identical electrical specifications and feature set. The primary difference is packaging: UCC2912NG4 uses Through Hole mounting (16-DIP), while UCC2912DP uses Surface Mount technology (16-SOIC).
Parameter Comparison
| Parameter | UCC2912NG4 | UCC2912DP |
|---|---|---|
| Manufacturer Part Number | UCC2912NG4 | UCC2912DP |
| Manufacturer | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active |
| Type | Hot Swap Controller | Hot Swap Controller |
| Number of Channels | 1 | 1 |
| Internal Switch(s) | Yes | Yes |
| Voltage - Supply | 3V ~ 8V | 3V ~ 8V |
| Current - Output (Max) | 4A | 4A |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Current - Supply | 1 mA | 1 mA |
| Features | Latched Fault, Thermal Limit | Latched Fault, Thermal Limit |
| Programmable Features | Current Limit, Fault Timeout | Current Limit, Fault Timeout |
| Mounting Type | Through Hole | Surface Mount |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 2 (1 Year) |
Engineering Selection Recommendations
The UCC2912DP is the manufacturer-recommended substitute for the obsolete UCC2912NG4. Both devices maintain identical electrical performance and feature parity, ensuring functional compatibility in equivalent circuit designs.
Selection between these parts depends on board-level requirements:
-
UCC2912NG4 (Through Hole): Suitable for legacy designs, prototype boards, or applications requiring through-hole assembly. Product status is obsolete; inventory availability may be limited.
-
UCC2912DP (Surface Mount): Recommended for new designs and active production. Active product status ensures long-term availability and supply chain continuity. Surface mount packaging enables higher board density and automated assembly processes.
Both parts meet ROHS3 and REACH compliance requirements. The UCC2912DP carries MSL 2 (1 Year), requiring standard moisture control during storage and handling. The UCC2912NG4 carries MSL 1 (Unlimited), indicating no moisture sensitivity constraints.
Frequently Asked Questions (FAQ)
Q: Can UCC2912DP directly replace UCC2912NG4 in existing designs?
A: Electrical and functional replacement is direct. The UCC2912DP provides identical performance across all specified parameters. Board-level redesign is required due to package differences: UCC2912NG4 uses 16-DIP through-hole footprint, while UCC2912DP uses 16-SOIC surface-mount footprint.
Q: What are the key differences between these parts?
A: The primary differences are mounting technology and product status. UCC2912NG4 is through-hole mounted and obsolete. UCC2912DP is surface-mount and active. All electrical specifications, feature sets, and compliance certifications are identical.
Q: Why is UCC2912NG4 classified as obsolete?
A: Product obsolescence reflects Texas Instruments' product lifecycle management. The UCC2912DP represents the current active offering for this functional class.
Q: Are there any supply chain considerations?
A: UCC2912NG4 inventory is limited due to obsolete status. UCC2912DP is actively manufactured and distributed, ensuring reliable long-term availability for production requirements.
Q: What is the significance of MSL ratings?
A: MSL (Moisture Sensitivity Level) indicates moisture exposure tolerance during storage and handling. UCC2912NG4 (MSL 1) has unlimited moisture tolerance. UCC2912DP (MSL 2) requires storage in controlled humidity environments and has a 1-year floor-life limit after package opening.
Q: Are both parts RoHS and REACH compliant?
A: Yes. Both UCC2912NG4 and UCC2912DP are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
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