AS1909C22-T Equivalent & Substitute Parts

Part Overview

The AS1909C22-T is a Power Management Integrated Circuit (PMIC) supervisor manufactured by ams-OSRAM USA INC. This device functions as a simple reset/power-on reset circuit with open drain or open collector output, designed for single-channel voltage monitoring applications. The part is currently in active product status with 1096 pieces in stock inventory.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across manufacturers. Alternative sources for the AS1909C22-T are necessary to ensure supply chain continuity, support design flexibility across multiple procurement channels, and provide options when primary inventory becomes constrained.

Substiute Parts

AS1909C22-T

ams-OSRAM USA INC.In Stock: 1160AS1909C22-T Datasheet

Current PartRFQ

MAX6334UR22D3+T

Analog Devices Inc./Maxim IntegratedIn Stock: 739MAX6334UR22D3+T Datasheet

Parametric EquivalentRFQ

MAX6334UR23D3+T

Analog Devices Inc./Maxim IntegratedIn Stock: 21416MAX6334UR23D3+T Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AS1909C22-T are qualified based on strict parameter equivalence in the following critical areas:

Electrical Parameters:

• Single-channel voltage monitoring capability
• 2.2V threshold voltage setting
• Open drain or open collector output configuration
• Active low reset logic
• 100ms minimum reset timeout duration
• Operating temperature range of -40°C to 125°C

Mechanical Parameters:

• Surface mount technology
• SOT-23-3 package / TO-236-3 case designation
• Identical supplier device package specification

Compliance & Regulatory:

• RoHS compliance status
• REACH unaffected classification
• Moisture sensitivity level MSL 1

The identified substitute parts maintain all specified electrical and mechanical parameters, ensuring functional and physical interchangeability within the design constraints of the original AS1909C22-T application.

Parameter Comparison

Engineering Selection Recommendations

Both MAX6334UR22D3+T and MAX6334UR23D3+T parts are qualified substitutes for the AS1909C22-T based on complete electrical and mechanical parameter equivalence. Selection between these options should be based on the following factors:

Availability & Lead Time: The MAX6334UR23D3+T maintains significantly higher inventory levels (21360 pieces) compared to the AS1909C22-T (1096 pieces) and MAX6334UR22D3+T (654 pieces), providing superior supply chain security for high-volume production requirements.

Compliance Status: All three parts maintain active product status and meet current regulatory requirements. The MAX6334 series parts carry ROHS3 compliance certification, which exceeds the RoHS compliance of the AS1909C22-T, ensuring compatibility with evolving environmental standards.

Packaging & Logistics: The MAX6334UR22D3+T and MAX6334UR23D3+T are supplied in Tape & Reel (TR) packaging, which may offer advantages for automated assembly processes compared to alternative packaging formats.

Frequently Asked Questions (FAQ)

Q: Can MAX6334UR22D3+T and MAX6334UR23D3+T be used interchangeably with AS1909C22-T?

A: Both MAX6334 parts are parametric equivalents to the AS1909C22-T. They maintain identical electrical specifications including 2.2V threshold voltage, active low reset logic, 100ms minimum reset timeout, and open drain/open collector output configuration. Physical compatibility is confirmed through identical SOT-23-3 packaging. Direct substitution is supported within the specified electrical and mechanical parameters.

Q: What is the difference between MAX6334UR22D3+T and MAX6334UR23D3+T?

A: Both parts are functionally equivalent for the AS1909C22-T substitution application. The primary distinction is inventory availability, with MAX6334UR23D3+T maintaining substantially higher stock levels (21360 pieces versus 654 pieces). Both parts meet identical electrical and compliance requirements.

Q: Are there any temperature or operating condition limitations when substituting these parts?

A: All three parts operate across the identical temperature range of -40°C to 125°C (TA). No additional thermal or operating condition constraints apply to the substitute parts. The reset timeout specification of 100ms minimum is maintained across all three devices.

Q: Do the substitute parts require any circuit design modifications?

A: No circuit design modifications are required. The AS1909C22-T, MAX6334UR22D3+T, and MAX6334UR23D3+T maintain identical output configurations (open drain or open collector), reset logic (active low), and electrical characteristics. Pin-to-pin compatibility is confirmed through the SOT-23-3 package specification.

Q: What compliance certifications apply to these substitute parts?

A: All three parts are RoHS compliant and REACH unaffected. The MAX6334 series parts carry ROHS3 certification. Moisture sensitivity level is MSL 1 (unlimited) for all parts, indicating no special moisture handling requirements during storage or assembly.