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S-8241ACAMC-GCAT2G Equivalent & Substitute Parts
Part Overview
The S-8241ACAMC-GCAT2G is a single-cell lithium ion/polymer battery protection IC manufactured by ABLIC Inc. in SOT-23-5 surface mount packaging. This component provides over-current and over-voltage fault protection for single-cell battery applications. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary for ongoing production support, legacy system maintenance, and design flexibility when the primary part becomes unavailable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | S-8241ACAMC-GCAT2G |
| Manufacturer | ABLIC Inc. |
| 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-23-5 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Not For New Designs |
Substitute Part Grouping Explanation
Substitution for the S-8241ACAMC-GCAT2G is determined by the following critical parameters:
- Battery Chemistry: Lithium Ion/Polymer
- Number of Cells: Single-cell (1 cell)
- Fault Protection: Over Current and Over Voltage minimum
- Operating Temperature Range: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- RoHS Compliance: ROHS3 Compliant
- Moisture Sensitivity Level: MSL 1 (Unlimited)
Substitute parts are grouped into two categories:
Parametric Equivalents (S-8241 series from ABLIC Inc.): Parts S-8241ABKMC-GBKT2G and S-8241ABPMC-GBPT2G share identical electrical specifications, temperature range, fault protection capabilities, and packaging. These represent direct functional replacements within the same product family.
Similar Parts (Alternative manufacturers): AP9101 series (Diodes Incorporated) and BQ29702DSER (Texas Instruments) provide equivalent battery protection functionality for single-cell lithium ion/polymer applications. These parts meet the same electrical and environmental requirements but may differ in package type (SOT-25 vs. 6-UDFN vs. 6-WSON) and product status.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Function | Battery Chemistry | Number of Cells | Fault Protection | Operating Temperature | Package / Case | Supplier Device Package | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S-8241ACAMC-GCAT2G | ABLIC Inc. | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-23-5 | Not For New Designs | ROHS3 Compliant | 1 |
| S-8241ABKMC-GBKT2G | ABLIC Inc. | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-23-5 | Not For New Designs | ROHS3 Compliant | 1 |
| S-8241ABPMC-GBPT2G | ABLIC Inc. | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-23-5 | Not For New Designs | ROHS3 Compliant | 1 |
| AP9101CAK-AATRG1 | Diodes Incorporated | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-25 | Active | ROHS3 Compliant | 1 |
| AP9101CAK-ABTRG1 | Diodes Incorporated | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-25 | Obsolete | ROHS3 Compliant | 1 |
| AP9101CAK-ACTRG1 | Diodes Incorporated | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-25 | Active | ROHS3 Compliant | 1 |
| AP9101CAK-ADTRG1 | Diodes Incorporated | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-25 | Active | ROHS3 Compliant | 1 |
| AP9101CAK-AETRG1 | Diodes Incorporated | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage | -40°C ~ 85°C | SC-74A, SOT-753 | SOT-25 | Active | ROHS3 Compliant | 1 |
| AP9214L-AJ-HSB-7 | Diodes Incorporated | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage, Short Circuit | -40°C ~ 85°C | 6-UDFN Exposed Pad | U-DFN2535-6 | Active | ROHS3 Compliant | 1 |
| AP9214L-AK-HSBR-7 | Diodes Incorporated | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over Voltage, Short Circuit | -40°C ~ 85°C | 6-UDFN Exposed Pad | U-DFN2535-6 | Obsolete | ROHS3 Compliant | 1 |
| BQ29702DSER | Texas Instruments | Battery Protection | Lithium Ion/Polymer | 1 | Over Current, Over/Under Voltage, Short Circuit | -40°C ~ 85°C | 6-WFDFN | 6-WSON (1.5x1.5) | Active | ROHS3 Compliant | 1 |
Engineering Selection Recommendations
For Direct Replacement (Same Package):
S-8241ABKMC-GBKT2G and S-8241ABPMC-GBPT2G are parametric equivalents from ABLIC Inc. with identical SOT-23-5 packaging. Both maintain the same electrical specifications, temperature range, and fault protection capabilities as the primary part. S-8241ABPMC-GBPT2G offers higher inventory availability (23,400 units) compared to S-8241ABKMC-GBKT2G (5,280 units).
For Alternative Manufacturers (Package Compatibility Required):
AP9101 series parts (Diodes Incorporated) provide equivalent single-cell lithium ion/polymer protection with identical fault protection and temperature specifications. These parts use SOT-25 packaging, which is mechanically compatible with SOT-23-5 footprints in most applications. Active product status variants include AP9101CAK-AATRG1, AP9101CAK-ACTRG1, AP9101CAK-ADTRG1, and AP9101CAK-AETRG1.
For Enhanced Protection Features:
AP9214L-AJ-HSB-7 (Diodes Incorporated, Active status) and BQ29702DSER (Texas Instruments, Active status) provide additional short-circuit protection beyond the over-current and over-voltage protection of the primary part. These alternatives require different package footprints (6-UDFN and 6-WSON respectively) and circuit board layout modifications.
Product Status Considerations:
Parts marked "Not For New Designs" or "Obsolete" should be used only for legacy system support or existing production runs. For new designs, prioritize parts with "Active" product status: AP9101CAK-AATRG1, AP9101CAK-ACTRG1, AP9101CAK-ADTRG1, AP9101CAK-AETRG1, AP9214L-AJ-HSB-7, and BQ29702DSER.
All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage conditions.
Frequently Asked Questions (FAQ)
Q: Can I use S-8241ABPMC-GBPT2G as a direct replacement for S-8241ACAMC-GCAT2G?
A: Yes. Both parts are parametric equivalents from ABLIC Inc. with identical electrical specifications, operating temperature range (-40°C ~ 85°C), fault protection (over-current and over-voltage), and SOT-23-5 packaging. No circuit modifications are required.
Q: What is the difference between SOT-23-5 and SOT-25 packaging?
A: SOT-23-5 and SOT-25 are both 5-pin surface mount packages with identical pin configurations and footprints. Parts specified as SOT-25 are mechanically compatible with SOT-23-5 circuit board layouts. The designation difference reflects manufacturing process variations between suppliers.
Q: Why do some substitute parts include short-circuit protection when the original part does not?
A: AP9214L-AJ-HSB-7 and BQ29702DSER provide enhanced protection features beyond the original specification. These parts are suitable for applications requiring additional fault tolerance. However, they require different package footprints (6-UDFN and 6-WSON) and cannot be used as direct pin-for-pin replacements without circuit board redesign.
Q: Which substitute parts are recommended for new designs?
A: Parts with "Active" product status are recommended for new designs: AP9101CAK-AATRG1, AP9101CAK-ACTRG1, AP9101CAK-ADTRG1, AP9101CAK-AETRG1 (Diodes Incorporated), AP9214L-AJ-HSB-7 (Diodes Incorporated), and BQ29702DSER (Texas Instruments). The original S-8241ACAMC-GCAT2G is marked "Not For New Designs" and should not be used in new product development.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All parts listed in this reference maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing processes and environmental storage conditions.
Q: What is the inventory status of substitute parts?
A: S-8241ABPMC-GBPT2G offers the highest availability (23,400 units). AP9101 series parts range from 769 to 977 units. AP9214L-AJ-HSB-7 has 806 units available. BQ29702DSER has 20,238 units in stock. Inventory levels should be confirmed with suppliers for current availability.
Q: Can I mix different substitute parts in the same production run?
A: Parts within the same family (S-8241 series or AP9101 series) are interchangeable. Mixing parts from different manufacturers (ABLIC, Diodes, Texas Instruments) or different package types (SOT-23-5, SOT-25, 6-UDFN, 6-WSON) requires design validation and may introduce supply chain complexity. Standardizing on a single part number per production run is recommended.
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