S-8204BAW-TCT1U Equivalent & Substitute Parts

Part Overview

The S-8204BAW-TCT1U is a Battery Protection IC for Lithium Ion applications, manufactured by ABLIC Inc. This device provides over-current and short-circuit protection for 3-4 cell lithium ion battery packs in a 16-TSSOP surface mount package. The main part is classified as "Not For New Designs," making identification of active equivalent alternatives essential for ongoing production and new design initiatives.

Key Parameters

Parameter	Value
Manufacturer	ABLIC Inc.
Category	Power Management (PMIC)
Function	Battery Protection
Battery Chemistry	Lithium Ion
Number of Cells	3 ~ 4
Fault Protection	Over Current, Short Circuit
Package / Case	16-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the S-8204BAW-TCT1U is determined by strict parameter matching across the following criteria:

Battery Chemistry: Lithium Ion
Number of Cells: 3 ~ 4
Fault Protection: Over Current, Short Circuit
Package / Case: 16-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed below maintain identical electrical and mechanical specifications to the main part. Substitutes are grouped by product status, with active parts recommended for new designs and legacy parts available for ongoing production support.

Parameter Comparison

Part Number	Manufacturer	Product Status	Battery Chemistry	Cells	Fault Protection	Package	Operating Temp	RoHS	Inventory (Pcs)
S-8204BAW-TCT1U	ABLIC Inc.	Not For New Designs	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	803
S-8204AAB-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	703
S-8204AAC-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	930
S-8204AAD-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	1058
S-8204AAE-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	657
S-8204AAJ-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	1139
S-8204AAK-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	1050
S-8204AAL-TCT1U	ABLIC Inc.	Not For New Designs	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	4940
S-8204AAM-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	881
S-8204AAN-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	1064
S-8204AAO-TCT1U	ABLIC Inc.	Active	Lithium Ion	3 ~ 4	Over Current, Short Circuit	16-TSSOP	-40°C ~ 85°C	ROHS3	878

Engineering Selection Recommendations

For new design implementations, select from the Active product status variants: S-8204AAB-TCT1U, S-8204AAC-TCT1U, S-8204AAD-TCT1U, S-8204AAE-TCT1U, S-8204AAJ-TCT1U, S-8204AAK-TCT1U, S-8204AAM-TCT1U, S-8204AAN-TCT1U, or S-8204AAO-TCT1U. All active substitutes maintain full ROHS3 compliance and identical electrical specifications for 3-4 cell lithium ion battery protection applications.

For production continuity with existing designs using S-8204BAW-TCT1U, S-8204AAL-TCT1U is available as a legacy equivalent with higher inventory (4940 pcs). Both the main part and S-8204AAL-TCT1U carry "Not For New Designs" status but remain functionally equivalent for ongoing support.

Frequently Asked Questions (FAQ)

Q: Can S-8204AAB-TCT1U, S-8204AAC-TCT1U, or other active variants be used as direct replacements for S-8204BAW-TCT1U?

A: Yes. All listed substitute parts share identical electrical and mechanical specifications: Lithium Ion battery chemistry, 3-4 cell protection, over-current and short-circuit fault detection, 16-TSSOP package, and -40°C to 85°C operating temperature range. Direct PCB substitution is supported without design modification.

Q: What is the difference between Active and Not For New Designs product status?

A: Active parts are currently in production and recommended for new circuit designs. Parts marked "Not For New Designs" are legacy variants maintained for production continuity but should not be selected for new development. S-8204BAW-TCT1U and S-8204AAL-TCT1U carry legacy status; all other listed variants are Active.

Q: Are all substitutes packaged identically?

A: All substitute parts use the 16-TSSOP (0.173", 4.40mm Width) surface mount package. S-8204AAL-TCT1U does not specify packaging designation in the supplier data but maintains the same physical package specification. Tape & Reel (TR) packaging is standard for active variants.

Q: Do all parts meet the same compliance requirements?

A: Yes. All listed parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). REACH status is Unaffected for all variants, and all carry identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications.

Q: Which substitute offers the best inventory availability?

A: S-8204AAL-TCT1U has the highest inventory at 4940 pcs. Among Active variants, S-8204AAJ-TCT1U (1139 pcs) and S-8204AAN-TCT1U (1064 pcs) offer strong availability for immediate procurement.

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