Microchip Technology AC164343

Overview

AC164343 from Microchip Technology is a dedicated socket module for programming 64-lead QFN (9×9 mm body) dsPIC33F, PIC24H, and PIC32MX microcontrollers using the MPLAB PM3 production programmer (DV007004). It supports mass production device programming with mechanical alignment features and thermal stability for repeatable contact.

For engineers reviewing the AC164343 datasheet, AC164343 pinout, AC164343 application, or AC164343 equivalent, key considerations include QFN-64 (9×9 mm) footprint compatibility, PM3 interface signaling, thermal cycling tolerance during high-volume programming, and mechanical retention force for fine-pitch leadless packages.

Technical Context

The AC164343 is a passive mechanical interface-not an electronic component-designed to bridge the MPLAB PM3 programmer's test interface to 64L QFN-packaged MCUs. It provides precise Z-axis compression control and coplanarity compensation for 0.4 mm pitch QFN leads.

It requires no power, logic, or firmware; functionality depends entirely on physical contact integrity between its spring-loaded pogo pins and the target device's exposed pad and perimeter terminals. Compatibility is validated per Microchip DTS tool for specific MCU variants within dsPIC33F/PIC24H/PIC32MX families.

Key Specifications

Availability

AC164343 is available at Aetrix Electronics and suitable for high-volume MCU programming, production line burn-in testing, and automated device provisioning requiring stable component supply and mechanical repeatability.

Supply support for AC164343 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, and development tools for embedded control applications.

The AC164343 belongs to Microchip's MPLAB® Production Programming ecosystem, designed specifically to enable reliable, high-yield programming of QFN-packaged MCUs in factory environments.

FAQ

Does AC164343 support PIC32MZ or dsPIC33EP devices?

No. AC164343 is validated only for dsPIC33F, PIC24H, and PIC32MX families in 64L QFN (9×9 mm) packages. PIC32MZ and dsPIC33EP use different pinouts, thermal pads, or package dimensions-Microchip's DTS tool does not list them as compatible with AC164343.

Can AC164343 be used with the MPLAB ICD 4 or PICkit 4?

No. AC164343 interfaces exclusively with the MPLAB PM3 (DV007004) production programmer. It lacks electrical circuitry or protocol translation for debuggers like ICD 4 or PICkit 4, which use different voltage levels, timing, and connector interfaces.

What is the maximum recommended programming temperature for AC164343?

The AC164343 is rated for continuous operation up to 60°C ambient. Its beryllium copper pogo pins and LCP housing maintain contact force and insulation integrity within this range; exceeding 60°C may accelerate wear and reduce cycle life.

Is AC164343 RoHS compliant and lead-free process compatible?

Yes. AC164343 complies with RoHS Directive 2011/65/EU and is qualified for lead-free reflow soldering processes. Its contacts and housing materials are certified for use with Pb-free PCB assembly and post-reflow programming workflows.

Does AC164343 include a zero-insertion-force (ZIF) mechanism?

No. AC164343 uses a fixed-compression, spring-loaded pogo-pin design-not a ZIF socket. Device insertion requires manual placement and clamping via the PM3's integrated lever; alignment relies on precision-machined dowels and visual fiducials.