PAM2863ECR-A LED Driver IC Equivalent & Substitute Parts

Part Overview

The PAM2863ECR-A is a LED Driver IC manufactured by Diodes Incorporated, designed for LED lighting applications requiring step-down (buck) topology regulation. This device integrates a 1-output DC-DC regulator with analog and PWM dimming capabilities, delivering up to 2A output current across a wide 4.5V to 40V supply voltage range.

The PAM2863ECR-A carries an Obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications utilizing this topology and performance envelope.

Substiute Parts

PAM2863ECR-A
Diodes IncorporatedIn Stock: 1312PAM2863ECR-A Datasheet
PAM2863ECR-A
Current Part
PAM2863ECR
Diodes IncorporatedIn Stock: 125419PAM2863ECR Datasheet
PAM2863ECR
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Diodes Incorporated
Category Power Management (PMIC)
Type DC DC Regulator
Topology Step-Down (Buck)
Number of Outputs 1
Internal Switch(s) Yes
Voltage - Supply (Min) 4.5V
Voltage - Supply (Max) 40V
Current - Output / Channel 2A
Frequency 233kHz ~ 1MHz
Dimming Analog, PWM
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SO-EP
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the PAM2863ECR-A is determined by strict alignment across the following critical parameters:

Primary Substitution Criteria:

  • DC-DC Regulator topology: Step-Down (Buck) configuration
  • Single output channel
  • Output current capability: 2A minimum
  • Supply voltage range: 4.5V to 40V minimum
  • Dimming capability: Analog and/or PWM support
  • Package type: 8-SOIC with exposed pad (8-SO-EP)
  • Surface mount configuration
  • Operating temperature range: -40°C to 85°C minimum

Compliance Requirements:

  • RoHS3 compliance mandatory
  • Active product status preferred for long-term availability

The PAM2863ECR (non-suffixed variant) qualifies as the primary manufacturer-recommended substitute, sharing identical electrical specifications and package configuration while maintaining active product status and superior inventory availability.

Parameter Comparison

Parameter PAM2863ECR-A (Main) PAM2863ECR (Substitute)
Manufacturer Diodes Incorporated Diodes Incorporated
Product Status Obsolete Active
Type DC DC Regulator DC DC Regulator
Topology Step-Down (Buck) Step-Down (Buck)
Number of Outputs 1 1
Internal Switch(s) Yes Yes
Voltage - Supply (Min) 4.5V 4.5V
Voltage - Supply (Max) 40V 40V
Current - Output / Channel 2A 2A
Frequency 233kHz ~ 1MHz 233kHz ~ 1MHz
Dimming Analog, PWM Analog, PWM
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SO-EP 8-SO-EP
RoHS Status ROHS3 Compliant ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: PAM2863ECR

The PAM2863ECR is the direct equivalent to the PAM2863ECR-A. Both devices share identical electrical specifications, package configuration, and functional characteristics. The PAM2863ECR carries Active product status with significantly higher inventory availability (125,400 units in stock versus 1,300 units for the obsolete variant), ensuring supply chain continuity and long-term component availability.

The PAM2863ECR maintains full RoHS3 compliance and is classified under ECCN EAR99 with REACH Unaffected status, meeting regulatory requirements for industrial and commercial applications.

For new designs or production continuation, the PAM2863ECR is the recommended selection to eliminate obsolescence risk and secure reliable component sourcing.

Frequently Asked Questions (FAQ)

Q: Can the PAM2863ECR directly replace the PAM2863ECR-A in existing designs?

A: Yes. The PAM2863ECR is electrically and mechanically identical to the PAM2863ECR-A. Both devices feature the same 8-SO-EP package, identical pin configuration, and matching electrical specifications across all critical parameters including supply voltage range (4.5V to 40V), output current (2A), switching frequency (233kHz to 1MHz), and dimming capabilities (Analog and PWM).

Q: What is the difference between PAM2863ECR-A and PAM2863ECR?

A: The primary difference is product status. The PAM2863ECR-A is classified as Obsolete, while the PAM2863ECR maintains Active status. The suffix "-A" on the original part number does not indicate a functional or electrical difference. The PAM2863ECR is the current production variant with superior inventory availability.

Q: Are there package or pinout differences between these parts?

A: No. Both the PAM2863ECR-A and PAM2863ECR use the identical 8-SOIC package with exposed pad (8-SO-EP), measuring 0.154 inches (3.90mm) in width. Pinout and PCB footprint compatibility is guaranteed.

Q: What compliance certifications apply to the PAM2863ECR substitute?

A: The PAM2863ECR is ROHS3 compliant, REACH Unaffected, and classified under ECCN EAR99. Moisture Sensitivity Level (MSL) is rated at 3 with a 168-hour exposure window.

Q: Is the PAM2863ECR suitable for camera flash applications?

A: The PAM2863ECR-A is documented for camera flash applications. The PAM2863ECR shares identical specifications and topology, supporting the same application requirements. Specific application validation should reference the device datasheet and application notes from Diodes Incorporated.

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