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TLK100PHP Equivalent & Substitute Parts
Part Overview
The TLK100PHP is a 1/1 Ethernet transceiver manufactured by Texas Instruments, housed in a 48-HTQFP (7x7) surface mount package. This component is classified as Not For New Designs, indicating it has reached end-of-life status. The part operates within a 3V to 3.6V supply voltage range and supports operating temperatures from -40°C to 85°C. Due to its discontinued design status, identifying functionally compatible substitute components is essential for system redesign, legacy product support, and ongoing manufacturing requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | TLK100PHP |
| Manufacturer | Texas Instruments |
| Category | Interface |
| Type | Transceiver |
| Protocol | Ethernet |
| Number of Drivers/Receivers | 1/1 |
| Voltage - Supply | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 48-PowerTQFP |
| Supplier Device Package | 48-HTQFP (7x7) |
| Product Status | Not For New Designs |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution of the TLK100PHP is determined by the following critical parameters:
- Protocol Compatibility: Both the main part and substitute must support Ethernet protocol
- Transceiver Function: The substitute must provide equivalent driver/receiver configuration
- Supply Voltage Range: The substitute voltage specification must accommodate the system's 3V to 3.6V operating range
- Operating Temperature Range: The substitute must support the required -40°C to 85°C temperature window
- Surface Mount Capability: Both components must be surface mount technology
- Regulatory Compliance: RoHS3 compliance and REACH unaffected status must be maintained
The DP83822IRHBT qualifies as a substitute based on these parameters: it is an Ethernet interface component from Texas Instruments, operates within compatible voltage ranges (1.71V ~ 3.45V encompasses the 3V ~ 3.6V requirement), maintains RoHS3 compliance, and is classified as Active product status, making it suitable for new designs where the TLK100PHP cannot be used.
Parameter Comparison
| Parameter | TLK100PHP | DP83822IRHBT |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Interface | Interface |
| Protocol | Ethernet | Ethernet |
| Voltage - Supply | 3V ~ 3.6V | 1.71V ~ 3.45V |
| Operating Temperature | -40°C ~ 85°C | Not specified in data |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Not For New Designs | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8542.39.0001 | 8542.39.0001 |
Engineering Selection Recommendations
The DP83822IRHBT is the designated substitute for the TLK100PHP based on the following engineering criteria:
Product Status Alignment: The TLK100PHP is classified as Not For New Designs. The DP83822IRHBT carries Active product status, making it the appropriate choice for ongoing production and new design implementations.
Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory requirements are satisfied across supply chain transitions.
Voltage Compatibility: The DP83822IRHBT supply voltage range of 1.71V ~ 3.45V fully encompasses the TLK100PHP operating range of 3V ~ 3.6V, confirming electrical compatibility within the specified system voltage window.
Manufacturer Continuity: Both components are manufactured by Texas Instruments, supporting design consistency and supply chain reliability.
Interface Category: Both components are classified as Interface category Ethernet components, confirming functional equivalence for system-level integration.
Frequently Asked Questions (FAQ)
Q: Can the DP83822IRHBT directly replace the TLK100PHP in existing designs?
A: The DP83822IRHBT is electrically compatible based on protocol, voltage range, and functional classification. However, physical package differences (48-HTQFP versus 32-VQFN) require PCB layout modifications. Verify interface pin mapping and signal routing before implementation.
Q: What is the primary reason for substitution?
A: The TLK100PHP is classified as Not For New Designs, indicating end-of-life status. The DP83822IRHBT, with Active product status, is the recommended alternative for continued production and new applications.
Q: Are there compliance concerns with this substitution?
A: No. Both components maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for the substitution.
Q: How do the package differences affect implementation?
A: The TLK100PHP uses a 48-HTQFP (7x7) package, while the DP83822IRHBT uses a 32-VQFN (5x5) package. This requires PCB redesign, including footprint changes, trace routing adjustments, and potential layer stack modifications.
Q: Is the voltage range compatible with my 3.3V system?
A: Yes. The DP83822IRHBT supply voltage range of 1.71V ~ 3.45V is compatible with 3.3V system operation, matching the TLK100PHP 3V ~ 3.6V specification.
Q: What interface protocols does the DP83822IRHBT support?
A: The DP83822IRHBT supports MII and RMII Ethernet interfaces, providing flexibility for various system architectures.
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