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AP2142AFGEG-7 Equivalent & Substitute Parts
Part Overview
The AP2142AFGEG-7 is a Power Switch/Driver IC manufactured by Diodes Incorporated, configured as a 1:2 P-Channel USB Switch with 500mA output current capability in an 8-UDFN Exposed Pad package. This part is classified as Obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The device provides load discharge, status flag monitoring, and comprehensive fault protection including current limiting, over-temperature, reverse current, and UVLO (Under-Voltage Lock-Out) functions.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AP2142AFGEG-7 |
| Manufacturer | Diodes Incorporated |
| Category | Power Management (PMIC) |
| Switch Type | USB Switch |
| Output Type | P-Channel |
| Number of Outputs | 2 |
| Ratio - Input:Output | 1:2 |
| Output Configuration | High Side |
| Voltage - Load | 2.7V ~ 5.5V |
| Current - Output (Max) | 500mA |
| Rds On (Typ) | 85mOhm |
| Input Type | Non-Inverting |
| Features | Load Discharge, Status Flag |
| Fault Protection | Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 8-UDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the AP2142AFGEG-7 is determined by the following critical parameters:
Primary Substitution Criteria:
- Output Type: P-Channel (AP2142AFGEG-7) vs. N-Channel (Texas Instruments TPS series)
- Number of Outputs: 2
- Ratio - Input:Output: 1:2
- Output Configuration: High Side
- Voltage - Load: 2.7V ~ 5.5V
- Current - Output (Max): 500mA minimum
- Rds On (Typ): 85mOhm or lower
- Input Type: Non-Inverting
- Fault Protection: Current Limiting, Over Temperature, Reverse Current, UVLO
- Operating Temperature Range: -40°C ~ 85°C minimum
- Package / Case: 8-UDFN or 8-SON (3x3) Exposed Pad
- Mounting Type: Surface Mount
Parametric Equivalent (Direct Replacement): The AP2152AFGEG-7 is a parametric equivalent with identical electrical specifications and package configuration, differing only in product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. Cut Tape).
Functional Alternatives (Design Substitutes): Texas Instruments TPS2042, TPS2052, TPS2060, and TPS2062 series parts provide functional substitution with trade-offs in channel type (N-Channel vs. P-Channel), current rating, and operating temperature range. These alternatives maintain the 1:2 output ratio, high-side configuration, and comprehensive fault protection but require circuit design consideration due to inverting input logic on certain variants.
Parameter Comparison
| Parameter | AP2142AFGEG-7 | AP2152AFGEG-7 | TPS2042BDRBR | TPS2052BDRBT | TPS2060DRBR | TPS2062ADRBR | TPS2062CDRBR-2 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Diodes Inc. | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Output Type | P-Channel | P-Channel | N-Channel | N-Channel | N-Channel | N-Channel | N-Channel |
| Number of Outputs | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Ratio - Input:Output | 1:2 | 1:2 | 1:1 | 1:1 | 1:2 | 1:2 | 1:2 |
| Output Configuration | High Side | High Side | High Side | High Side | High Side | High Side | High Side |
| Voltage - Load | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 4.5V ~ 5.5V |
| Current - Output (Max) | 500mA | 500mA | 500mA | 500mA | 1.5A | 1A | 1A |
| Rds On (Typ) | 85mOhm | 85mOhm | 70mOhm | 70mOhm | 70mOhm | 70mOhm | 73mOhm |
| Input Type | Non-Inverting | Non-Inverting | Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting |
| Features | Load Discharge, Status Flag | Load Discharge, Status Flag | — | — | Status Flag | Status Flag | Status Flag |
| Fault Protection | Current Limiting, Over Temp, Reverse Current, UVLO | Current Limiting, Over Temp, Reverse Current, UVLO | Current Limiting, Over Temp, UVLO | Current Limiting, Over Temp, UVLO | Current Limiting, Over Temp, Reverse Current, UVLO | Current Limiting, Over Temp, UVLO | Current Limiting, Over Temp, Reverse Current, UVLO |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 105°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Package / Case | 8-UDFN Exposed Pad | 8-UDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad |
| Product Status | Obsolete | Active | Active | Active | Active | Last Time Buy | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Replacement (Recommended for Immediate Substitution): AP2152AFGEG-7 is the optimal substitute for AP2142AFGEG-7. Both parts are manufactured by Diodes Incorporated with identical electrical and mechanical specifications. The AP2152AFGEG-7 maintains Active product status and is available in Tape & Reel packaging format. Both parts are ROHS3 Compliant with MSL Rating 1 (Unlimited) and carry identical REACH and ECCN classifications.
Alternative Substitutes (Design Consideration Required): Texas Instruments TPS2042BDRBR, TPS2052BDRBT, TPS2060DRBR, TPS2062ADRBR, and TPS2062CDRBR-2 provide functional alternatives with the following considerations:
- TPS2042BDRBR and TPS2042BDRBT feature Inverting input logic, requiring circuit modification compared to the Non-Inverting AP2142AFGEG-7.
- TPS2052BDRBT and TPS2052BDRBR maintain Non-Inverting input logic with 1:1 output ratio instead of 1:2, affecting circuit topology.
- TPS2060DRBR and TPS2060DRBT support higher current output (1.5A vs. 500mA) with 1:2 ratio and Non-Inverting input, suitable for higher-power applications.
- TPS2062ADRBR and TPS2062ADRBT support 1A output current with 1:2 ratio and Non-Inverting input, with extended operating temperature to -40°C ~ 125°C (TJ).
- TPS2062CDRBR-2 restricts load voltage to 4.5V ~ 5.5V (narrower than 2.7V ~ 5.5V), limiting low-voltage applications.
All Texas Instruments alternatives are ROHS3 Compliant with MSL Rating 1 (Unlimited) and carry identical REACH and ECCN classifications to the original part.
Frequently Asked Questions (FAQ)
Q: Can AP2152AFGEG-7 be used as a direct replacement for AP2142AFGEG-7? A: Yes. AP2152AFGEG-7 is a parametric equivalent with identical electrical specifications, output configuration, and package type. The only differences are product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. Cut Tape). No circuit modifications are required.
Q: What is the primary difference between AP2142AFGEG-7 and Texas Instruments TPS2042BDRBR? A: The AP2142AFGEG-7 uses P-Channel output with Non-Inverting input logic, while TPS2042BDRBR uses N-Channel output with Inverting input logic. This requires circuit design modification. Additionally, TPS2042BDRBR has a 1:1 output ratio versus the 1:2 ratio of AP2142AFGEG-7, affecting the number of controlled outputs.
Q: Are all substitute parts compatible with the same PCB footprint? A: No. AP2152AFGEG-7 uses 8-UDFN Exposed Pad package, while Texas Instruments alternatives use 8-VDFN Exposed Pad package. Although both are 8-pin packages with exposed pads, the physical dimensions and pin layouts differ. PCB layout verification is required before substitution.
Q: Which substitute part supports the widest operating temperature range? A: TPS2062ADRBR and TPS2062CDRBR-2 support -40°C ~ 125°C (TJ), compared to AP2142AFGEG-7 at -40°C ~ 85°C (TA). This extended range is beneficial for high-temperature applications.
Q: What is the significance of the 1:2 output ratio in AP2142AFGEG-7? A: The 1:2 ratio indicates that one input control signal manages two independent output switches. This configuration is typical for USB power distribution applications where a single control input switches two load paths simultaneously.
Q: Can TPS2060DRBR replace AP2142AFGEG-7 in a 500mA application? A: TPS2060DRBR supports 1.5A output current, exceeding the 500mA requirement. However, it uses N-Channel output with Non-Inverting input logic, requiring circuit design verification. The higher current capability does not prevent substitution but demands confirmation that the application can tolerate the channel type change.
Q: What does "Last Time Buy" status mean for TPS2062ADRBR? A: Last Time Buy indicates that Texas Instruments has announced end-of-life for this part. Existing inventory is available for purchase, but no future production is planned. For long-term production continuity, TPS2062CDRBR-2 (Active status) is preferred over TPS2062ADRBR.
Q: Why does TPS2062CDRBR-2 have a narrower voltage range (4.5V ~ 5.5V)? A: TPS2062CDRBR-2 is optimized for 5V-only applications, removing support for lower voltages (2.7V ~ 4.5V). This design choice reduces component complexity for fixed 5V systems but eliminates compatibility with 3.3V or lower voltage rails.
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