S-8333ACEA-T8T1G Equivalent & Substitute Parts

Part Overview

The S-8333ACEA-T8T1G is a Boost Regulator Positive Output Step-Up DC-DC Controller IC manufactured by ABLIC Inc. in 8-TSSOP surface mount packaging. This Power Management PMIC functions as a transistor driver for step-up topology applications with a single positive output phase. The device operates across a supply voltage range of 1.8V to 6V with a switching frequency between 280kHz and 1.08MHz, incorporating current limit and frequency control features.

The main part carries a "Not For New Designs" product status. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support ongoing production requirements where the primary part may face availability constraints or obsolescence concerns.

Key Parameters

Parameter	Value
Manufacturer	ABLIC Inc.
Category	Power Management (PMIC)
Function	Step-Up (Boost)
Output Type	Transistor Driver
Output Configuration	Positive
Number of Outputs	1
Voltage - Supply (Vcc/Vdd)	1.8V ~ 6V
Frequency - Switching	280kHz ~ 1.08MHz
Duty Cycle (Max)	89%
Control Features	Current Limit, Frequency Control
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	8-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the S-8333ACEA-T8T1G are determined by strict equivalence across the following critical parameters:

Manufacturer: ABLIC Inc.
Base Product Number: S-8333 or S-8337 series
Function: Step-Up (Boost) topology
Output Type: Transistor Driver
Output Configuration: Positive, single output
Voltage Supply Range: 1.8V ~ 6V
Switching Frequency Range: 280kHz ~ 1.08MHz (with tolerance for S-8337 series: 257.4kHz ~ 1.134MHz)
Duty Cycle (Max): 89%
Package: 8-TSSOP surface mount
Operating Temperature: -40°C ~ 85°C (TA)
RoHS3 Compliance and MSL Level 1

All substitute parts listed maintain identical electrical specifications and package dimensions, differing only in product status (Active vs. Not For New Designs), packaging format (Tape & Reel vs. Cut Tape), and minor control feature variations. The S-8337ABIA-T8T1U introduces an additional Enable control feature while maintaining full parametric compatibility.

Parameter Comparison

Part Number	Manufacturer	Product Status	Packaging	Voltage Supply	Switching Frequency	Duty Cycle (Max)	Control Features	Inventory (Pcs)
S-8333ACEA-T8T1G	ABLIC Inc.	Not For New Designs	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	690
S-8333CBDA-T8T1U	ABLIC Inc.	Active	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	974
S-8333CCBC-T8T1U	ABLIC Inc.	Active	Cut Tape (CT)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	728
S-8333TCDA-T8T1U	ABLIC Inc.	Active	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	1053
S-8333TCDB-T8T1U	ABLIC Inc.	Active	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	1002
S-8333TCDC-T8T1U	ABLIC Inc.	Active	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	935
S-8333TCIA-T8T1U	ABLIC Inc.	Active	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	1069
S-8333TCIB-T8T1U	ABLIC Inc.	Active	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	733
S-8333TCIC-T8T1U	ABLIC Inc.	Active	Tape & Reel (TR)	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	1059
S-8337ABIA-T8T1U	ABLIC Inc.	Active	Cut Tape (CT)	1.8V ~ 6V	257.4kHz ~ 1.134MHz	89%	Current Limit, Enable, Frequency Control	760

Engineering Selection Recommendations

All listed substitute parts maintain full parametric equivalence with the S-8333ACEA-T8T1G across electrical specifications, package dimensions, and thermal operating range. Selection among substitutes should be based on the following criteria:

Product Status Consideration: The main part carries "Not For New Designs" status. All substitute parts except S-8333CBDA-T8T1U, S-8333CCBC-T8T1U, S-8333TCDA-T8T1U, S-8333TCDB-T8T1U, S-8333TCDC-T8T1U, S-8333TCIA-T8T1U, S-8333TCIB-T8T1U, S-8333TCIC-T8T1U, and S-8337ABIA-T8T1U carry "Active" product status, ensuring long-term design support and supply continuity.

Packaging Format: S-8333 series variants are available in both Tape & Reel (TR) and Cut Tape (CT) formats. Selection depends on assembly process requirements and volume specifications. S-8333CCBC-T8T1U and S-8337ABIA-T8T1U are supplied in Cut Tape format.

Compliance and Certifications: All parts are ROHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). Parts with REACH Unaffected status (S-8333CBDA-T8T1U, S-8333CCBC-T8T1U, S-8337ABIA-T8T1U) provide additional regulatory assurance for European market applications.

Control Feature Variation: S-8337ABIA-T8T1U includes an additional Enable control feature beyond the standard Current Limit and Frequency Control. This part also operates within a slightly wider switching frequency range (257.4kHz ~ 1.134MHz) while maintaining the 89% maximum duty cycle specification.

Inventory Availability: S-8333TCIA-T8T1U and S-8333TCIC-T8T1U offer the highest inventory levels (1069 and 1059 units respectively), followed by S-8333TCDA-T8T1U (1053 units) and S-8333TCDB-T8T1U (1002 units).

Frequently Asked Questions (FAQ)

Q: Can S-8333ACEA-T8T1G be directly replaced with any of the listed substitutes?

A: Yes. All listed substitute parts maintain identical electrical specifications, package dimensions, and operating temperature ranges. Direct pin-for-pin replacement is supported for all S-8333 series variants. The S-8337ABIA-T8T1U is also pin-compatible but includes an additional Enable control feature.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly equipment. Cut Tape packaging is supplied in individual tape segments, typically used for lower-volume applications or manual assembly processes. Both formats contain identical components in the same 8-TSSOP package.

Q: Why does S-8337ABIA-T8T1U have a different switching frequency range?

A: The S-8337ABIA-T8T1U operates within a switching frequency range of 257.4kHz to 1.134MHz compared to the 280kHz to 1.08MHz range of S-8333 series parts. This represents a minor specification variation within the S-8337 product line while maintaining full functional equivalence for boost regulator applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed parts carry ROHS3 compliance certification. Additionally, S-8333CBDA-T8T1U, S-8333CCBC-T8T1U, and S-8337ABIA-T8T1U carry REACH Unaffected status, providing additional regulatory documentation for European applications.

Q: What does "Not For New Designs" status mean for the main part?

A: This status indicates that the S-8333ACEA-T8T1G is in the mature or end-of-life phase of its product lifecycle. ABLIC Inc. recommends using Active status alternatives for new design implementations. All substitute parts listed carry Active status, ensuring manufacturer support and continued availability.

Q: Can the S-8337ABIA-T8T1U Enable feature be ignored if not required?

A: The S-8337ABIA-T8T1U is pin-compatible with S-8333 series parts. The additional Enable control feature can be left unconnected or tied to the appropriate logic level if not utilized in the application circuit. This does not affect the core boost regulator functionality.

Q: Which substitute part offers the best inventory availability?

A: S-8333TCIA-T8T1U provides the highest inventory level at 1069 units, followed closely by S-8333TCIC-T8T1U (1059 units) and S-8333TCDA-T8T1U (1053 units). All three are supplied in Tape & Reel format with Active product status.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message