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Microchip Technology EV33R40A

Name: EV33R40A
Brand: Microchip Technology
SKU: EV33R40A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: EV33R40A

Manufacturer:: Microchip Technology

Category:: Accessories

Package:

Datasheet:: EV33R40A.pdf

Description:: DSPIC33CK512MP608 INT MC PIM

Quantity:: RFQ Add To RFQ list

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Shipping:

Inventory:1,434

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Product details

Overview

EV33R40A from Microchip Technology is a Motor Control Plug-In Module (PIM) designed to demonstrate motor control capabilities of the dsPIC33CK512MP608 DSC using its internal operational amplifiers for current sensing. It supports single-motor Field-Oriented Control (FOC) and single-stage boost Power Factor Correction (PFC), features 100-pin PIM interface compatibility, and integrates configurable op-amp filter/bias circuits for IA, IB, and IBUS shunt amplifier paths.

For engineers reviewing the EV33R40A datasheet, EV33R40A pinout, EV33R40A application, or EV33R40A equivalent, this module enables rapid validation of dsPIC33CK512MP608 internal op-amp-based motor current feedback, PWM-driven inverter control, and analog signal conditioning without external amplifiers - critical for low-BOM-cost, high-integration motor drives.

Technical Context

The EV33R40A implements direct routing of all 80 pins of the dsPIC33CK512MP608 TQFP-80 device to a standardized 100-pin PIM header, with digital power (DVDD), analog power (AVDD), ground (DGND/AGND), and high-speed PWM signals (e.g., PWM1H/L, PWM2H/L through PWM8H/L) fully exposed. Internal op-amp inputs (OA1IN±, OA2IN±, OA3IN±) and outputs (OA1OUT, OA2OUT, OA3OUT) are accessible via jumper-configurable 0Ω resistors (e.g., R7, R14, R23–R26) and dedicated PIM pins.

It supports three independent differential amplifier channels - OA1 for IBUS (bus current), OA2 for IA (phase A current), and OA3 for IB (phase B current) - each with user-populatable RC filter networks (e.g., 100 Ω, 470 pF, 1000 pF) enabling programmable gain (e.g., ×15) and cutoff frequencies (e.g., 644 kHz differential-mode, 3.3 MHz common-mode).

Key Specifications

Parameter	Value and Actual Design Meaning
Form Factor	Motor Control Plug-In Module (PIM) for 100-pin development board headers
Core Device	dsPIC33CK512MP608 16-bit DSC with integrated op-amps, PWM, ADC, and DAC
Op-Amp Channels	Three configurable internal op-amps (OA1, OA2, OA3) for shunt-based current sensing
Filter Gain	Programmable differential gain of ×15 via 3 kΩ feedback / (2 × 100 Ω) input network
Differential f_−3dB	644 kHz - sets maximum usable bandwidth for high-frequency current loop sampling
Common-mode f_−3dB	3.3 MHz - suppresses high-frequency EMI coupling into differential current measurement
Compatible Boards	dsPICDEM MCLV-2, MCHV-2, MCHV-3, DV330100, DM330022/DM330022-1 (all revisions)

Availability

EV33R40A is available at Aetrix Electronics and suitable for motor control development, FOC algorithm prototyping, and PFC reference design requiring stable component supply and full dsPIC33CK512MP608 peripheral access.

Supply support for EV33R40A 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 Inc. is a U.S.-based semiconductor manufacturer specializing in microcontrollers, DSCs, analog, and interface products for industrial, automotive, and consumer applications.

The EV33R40A belongs to Microchip's dsPIC® Motor Control PIM family, engineered to accelerate evaluation and firmware development for dsPIC33CK-series DSCs with integrated analog peripherals - specifically targeting cost-sensitive, high-performance motor drive systems.

FAQ

What is the primary function of the EV33R40A?

The EV33R40A is a plug-in module that enables hardware demonstration and firmware development for motor control using the internal operational amplifiers of the dsPIC33CK512MP608 DSC. It provides direct access to all device pins, configurable op-amp signal paths for shunt current sensing (IA, IB, IBUS), and compatibility with Microchip's motor control development boards - eliminating need for external op-amps in initial prototyping.

Which development boards support the EV33R40A?

The EV33R40A is compatible with dsPICDEM MCLV-2 (DM330021-2), dsPICDEM MCHV-2 (DM330023-2), dsPICDEM MCHV-3 (DM330023-3), Low-Voltage Motor Control Development Bundle (DV330100), and dsPICDEM MCSM (DM330022/DM330022-1), all hardware revisions. It is not compatible with original MCLV (DM330021) or MCHV (DM330023) boards.

How are the internal op-amps configured on the EV33R40A?

The EV33R40A exposes OA1, OA2, and OA3 inputs and outputs via dedicated PIM pins (e.g., PIM:24/56/67 for OA1IN−, PIM:66/73/74 for OA3IN+/OA2IN+). Each channel uses discrete 0Ω jumpers (e.g., R7 for OA2, R14 for OA3, R23–R26 for OA1) to enable connections. Filter components (R/C networks) are populated per Figure 3 and Table 4 to set gain (×15) and bandwidth (644 kHz differential f_−3dB).

Does the EV33R40A require an external op-amp configuration board?

Yes - when used with dsPICDEM MCLV-2, an internal op-amp configuration matrix board must be inserted into J14; for dsPICDEM MCHV-2/MCHV-3, it must be inserted into J4. This board routes op-amp outputs to ADC inputs and configures bias/reference paths. The EV33R40A itself contains only the dsPIC33CK512MP608 and passive filter components - no active op-amp circuitry beyond the DSC's internal blocks.

Can the EV33R40A be used for Power Factor Correction (PFC)?

Yes - the EV33R40A supports single-stage boost PFC implementation when used with the dsPICDEM MCHV-3 Development Board. OA1 is configured for IBUS (DC-link current) sensing, while OA2/OA3 handle phase currents. Firmware must implement PFC control algorithms (e.g., average current mode), and the module's analog front-end delivers the required precision and bandwidth (644 kHz differential f_−3dB) for stable loop operation.

EV33R40A Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Packaging:: Bulk

Product Status:: Active

Accessory Type:: Plug-In Module (PIM)

For Use With/Related Products:: dsPIC33CK512MP608

EV33R40A FAQ

1.How can I place an order for EV33R40A through Aetrix?

Please submit a Request for Quotation (RFQ) for EV33R40A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for EV33R40A reliable?

The price and inventory of EV33R40A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for EV33R40A is usually 5 days.

3.What payment methods are accepted for EV33R40A?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for EV33R40A transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for EV33R40A?

EV33R40A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your EV33R40A order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for EV33R40A?

For technical support, including EV33R40A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your EV33R40A requirements.

6.How does Aetrix verify that EV33R40A is sourced from the original manufacturer or authorized distributors?

All EV33R40A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that EV33R40A meets industry standards.

7.What is the process for return or replacement of EV33R40A?

All EV33R40A units undergo pre-shipment inspection (PSI). If there is an issue with EV33R40A, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The EV33R40A part is unused and in its original packaging.

Return procedure for EV33R40A:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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