ACS754LCB-100-PFF Equivalent & Substitute Parts

Part Overview

The ACS754LCB-100-PFF is a Hall Effect current sensor designed for AC/DC current measurement applications with a 100A sensing range. This component features open-loop bidirectional operation with ratiometric voltage output and is housed in a 5-CB formed leads package. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

ACS754LCB-100-PFF

Allegro MicroSystemsIn Stock: 1428ACS754LCB-100-PFF Datasheet

Current PartRFQ

ACS758LCB-100B-PFF-T

Allegro MicroSystemsIn Stock: 16916ACS758LCB-100B-PFF-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ACS754LCB-100-PFF is determined by the following critical parameters:

• Current sensing range: 100A
• Sensor technology: Hall Effect, Open Loop
• Output configuration: Ratiometric voltage
• Sensitivity: 20mV/A
• Package type: 5-CB Formed Leads, PFF
• Mounting: Through Hole
• Operating temperature range: -40°C ~ 150°C
• Polarization: Bidirectional

The ACS758LCB-100B-PFF-T meets all these core requirements while offering enhanced performance characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

The ACS758LCB-100B-PFF-T is the direct substitute for the obsolete ACS754LCB-100-PFF. Both components maintain identical core specifications for current sensing (100A), sensor technology (Hall Effect, Open Loop), output type (Ratiometric voltage), sensitivity (20mV/A), package configuration (5-CB Formed Leads, PFF), and operating temperature range (-40°C ~ 150°C).

The ACS758LCB-100B-PFF-T offers active product status with AEC-Q100 automotive qualification, ensuring long-term availability and supply chain stability. The substitute part provides improved performance in frequency response (DC ~ 120kHz versus DC ~ 35kHz) and response time (4µs versus 11µs), with enhanced linearity (±1.25% versus ±1.5%). The supply voltage range is expanded to 3V ~ 5.5V, providing greater design flexibility.

Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the ACS758LCB-100B-PFF-T be used as a direct replacement for the ACS754LCB-100-PFF?

A: Yes. Both parts share identical current sensing range (100A), sensor technology (Hall Effect, Open Loop), output configuration (Ratiometric voltage), sensitivity (20mV/A), package type (5-CB Formed Leads, PFF), and operating temperature range (-40°C ~ 150°C). The substitute part is pin-compatible and functionally equivalent for the specified application parameters.

Q: What are the key differences between these two parts?

A: The primary differences are product status and performance enhancements. The ACS758LCB-100B-PFF-T is an active product with AEC-Q100 qualification, while the ACS754LCB-100-PFF is obsolete. The substitute offers improved frequency bandwidth (120kHz versus 35kHz), faster response time (4µs versus 11µs), better linearity (±1.25% versus ±1.5%), and expanded supply voltage range (3V ~ 5.5V versus 5V fixed).

Q: Are there any supply voltage compatibility concerns?

A: The ACS754LCB-100-PFF requires a fixed 5V supply. The ACS758LCB-100B-PFF-T accepts 3V ~ 5.5V, making it compatible with 5V systems while offering additional flexibility for lower voltage applications. No circuit modification is required for standard 5V operation.

Q: Do both parts have the same package and mounting configuration?

A: Yes. Both components use the 5-CB Formed Leads, PFF package with through-hole mounting. PCB layout and mechanical integration remain unchanged.

Q: What is the compliance status of both parts?

A: Both the ACS754LCB-100-PFF and ACS758LCB-100B-PFF-T are ROHS3 compliant and REACH unaffected. The substitute part additionally carries AEC-Q100 automotive qualification.