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AP9101CAK-AUTRG1 Equivalent & Substitute Parts
Part Overview
The AP9101CAK-AUTRG1 is a battery protection IC for single-cell lithium-ion and lithium-polymer applications, manufactured by Diodes Incorporated. This Surface Mount device in SOT-25 packaging provides over-current and over-voltage fault protection. The part is currently Active in product status. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when inventory constraints necessitate sourcing from available stock alternatives.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Category | Power Management (PMIC) |
| Function | Battery Protection |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Fault Protection | Over Current, Over Voltage |
| Operating Temperature Range | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-25 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution of the AP9101CAK-AUTRG1 is determined by strict equivalence across the following parameters:
- Function: Battery Protection
- Battery Chemistry: Lithium Ion/Polymer
- Number of Cells: 1 cell
- Fault Protection: Over Current and Over Voltage
- Operating Temperature Range: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Package / Case: SC-74A, SOT-753
- Supplier Device Package: SOT-25
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Status: REACH Unaffected
Substitute parts from Diodes Incorporated maintain identical electrical and mechanical specifications. Packaging format variations (Tape & Reel, Cut Tape, Cut Tape & Digi-Reel) represent the only difference among qualified substitutes and do not affect functional compatibility. The S-8241ABKMC-GBKT2G from ABLIC Inc. is included as a parametric equivalent despite different supplier device packaging (SOT-23-5 versus SOT-25) due to identical functional parameters and compliance certifications.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Packaging Format | Function | Battery Chemistry | Cells | Fault Protection | Temp Range | Package Type | RoHS | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AP9101CAK-AUTRG1 | Diodes Incorporated | Active | Tape & Reel (TR) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CAK-ABTRG1 | Diodes Incorporated | Obsolete | Cut Tape (CT) & Digi-Reel® | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CAK-AKTRG1 | Diodes Incorporated | Obsolete | Cut Tape (CT) & Digi-Reel® | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CAK-ANTRG1 | Diodes Incorporated | Obsolete | Cut Tape (CT) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CAK-BRTRG1 | Diodes Incorporated | Obsolete | Tape & Reel (TR) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CAK-CPTRG1 | Diodes Incorporated | Obsolete | Tape & Reel (TR) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CK-AHTRG1 | Diodes Incorporated | Obsolete | Cut Tape (CT) & Digi-Reel® | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CK-AKTRG1 | Diodes Incorporated | Obsolete | Cut Tape (CT) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CK-ASTRG1 | Diodes Incorporated | Obsolete | Cut Tape (CT) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| AP9101CK-AUTRG1 | Diodes Incorporated | Obsolete | Cut Tape (CT) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-25 | ROHS3 | 1 |
| S-8241ABKMC-GBKT2G | ABLIC Inc. | Not For New Designs | Tape & Reel (TR) | Battery Protection | Li-Ion/Polymer | 1 | OC, OV | -40 to 85°C | SOT-23-5 | ROHS3 | 1 |
Engineering Selection Recommendations
All Diodes Incorporated AP9101 variants listed maintain full parametric equivalence and are suitable for direct substitution in applications currently using the AP9101CAK-AUTRG1. Selection among these variants should be based on packaging format availability and manufacturing process requirements:
- Tape & Reel (TR) format: AP9101CAK-AUTRG1 (Active), AP9101CAK-BRTRG1 (Obsolete), AP9101CAK-CPTRG1 (Obsolete)
- Cut Tape (CT) & Digi-Reel® format: AP9101CAK-ABTRG1 (Obsolete), AP9101CAK-AKTRG1 (Obsolete), AP9101CK-AHTRG1 (Obsolete)
- Cut Tape (CT) format: AP9101CAK-ANTRG1 (Obsolete), AP9101CK-AKTRG1 (Obsolete), AP9101CK-ASTRG1 (Obsolete), AP9101CK-AUTRG1 (Obsolete)
The S-8241ABKMC-GBKT2G from ABLIC Inc. is a parametric equivalent meeting all functional and compliance requirements. However, its product status is "Not For New Designs," which restricts its use to legacy system maintenance or where existing inventory constraints necessitate cross-manufacturer substitution. All substitute parts maintain ROHS3 compliance, REACH Unaffected status, and MSL Level 1 rating identical to the primary part.
Frequently Asked Questions (FAQ)
Q: Can AP9101CAK-AUTRG1 be replaced with any of the listed Diodes Incorporated variants?
A: Yes. All AP9101 variants from Diodes Incorporated maintain identical electrical specifications for battery protection function, operating temperature range, fault protection capabilities, and compliance certifications. Differences exist only in packaging format (Tape & Reel, Cut Tape, or Cut Tape & Digi-Reel). Selection should align with your manufacturing assembly process requirements.
Q: What is the difference between Tape & Reel, Cut Tape, and Cut Tape & Digi-Reel packaging?
A: These represent different supply formats for surface mount components. Tape & Reel (TR) provides components on continuous carrier tape suitable for automated pick-and-place equipment. Cut Tape (CT) provides the same components on cut sections of carrier tape for manual or semi-automated assembly. Cut Tape & Digi-Reel® combines both formats. All three formats contain electrically identical components; the difference is in handling and assembly compatibility.
Q: Why are most substitute parts marked as Obsolete?
A: Product status reflects manufacturer lifecycle classifications. Obsolete parts may still be available from inventory but are no longer in active production. The AP9101CAK-AUTRG1 maintains Active status, making it the preferred choice for new designs. Obsolete variants are suitable for replacement applications or when existing inventory is available.
Q: Is the S-8241ABKMC-GBKT2G from ABLIC Inc. a direct substitute?
A: The S-8241ABKMC-GBKT2G is a parametric equivalent meeting all functional requirements for single-cell lithium-ion/polymer battery protection with identical operating temperature range and fault protection capabilities. However, it uses SOT-23-5 packaging instead of SOT-25, requiring PCB layout verification. Its "Not For New Designs" status restricts use to legacy applications or inventory-constrained situations.
Q: Are all listed parts ROHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH Unaffected status, matching the primary part's environmental certifications.
Q: What is MSL Level 1, and why does it matter?
A: Moisture Sensitivity Level (MSL) 1 indicates unlimited shelf life without moisture control requirements. All listed parts share this rating, eliminating moisture management as a substitution constraint.
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