Microchip Technology

DSPIC33AK256MPS306 - 200MHz DSC with FPU | Microchip

MPN: DSPIC33AK256MPS306 βœ“ Active
In Stock Ships in 1-3 business days
[DATA_NEEDED: supply voltage range] Vdss 64-TQFP (10x10 mm) or 64-VQFN (9x9 mm) Package 200 MHz Speed 256 KB Flash Memory
From $5.6 USD / Unit
MOQ: 1 |
Price updated: 2026-08-25
Volume Pricing
Qty Unit Price Extended
1 $8.5 $8.50
10 $7.8 $78.00
100 $6.9 $690.00
500 $6.2 $3,100.00
1,000 $5.6 $5,600.00
ℹ️ All prices are in USD

Drop-in alternatives for DSPIC33AK256MPS306 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

DSPIC33AK256MPS306-I/PT

βœ… Drop-In
πŸ“¦ 64-TQFP (10x10 mm)
Same die, industrial temperature grade (-40C to +85C)

πŸ“‹ Reference alternative (not in catalog)

DSPIC33AK256MPS306-E/PT

βœ… Drop-In
πŸ“¦ 64-TQFP (10x10 mm)
Same die, extended temperature grade (-40C to +125C)

πŸ“‹ Reference alternative (not in catalog)

DSPIC33AK256MPS306-I/M7

βœ… Drop-In
πŸ“¦ 64-VQFN (9x9 mm)
Same die, VQFN package instead of TQFP

πŸ“‹ Reference alternative (not in catalog)

DSPIC33AK256MPS306-E/M7

βœ… Drop-In
πŸ“¦ 64-VQFN (9x9 mm)
Same die, extended temperature, VQFN package

πŸ“‹ Reference alternative (not in catalog)

DSPIC33AK256MPS506

βœ… Drop-In
πŸ“¦ 64-TQFP (10x10 mm)
Same package and pinout, 512KB Flash instead of 256KB

πŸ“‹ Reference alternative (not in catalog)

DSPIC33AK256MC506-E/M7

βœ… Drop-In
Microchip Technology
πŸ“¦ 64-VQFN (9x9 mm)
32-bit dsPIC33A DSC Β· 200 MHz Β· 256 KB Β· 64 KB Β· 32/64-bit FPU Β· 12-bit Β· 40 MSPS Β· 100 MHz

βœ“ In Stock

$5.6 / Unit

View Datasheet β†’

DSPIC33AK256MPS306 Maximum Ratings & Electrical Characteristics

Core Architecture 32-bit dsPIC33A DSC
Maximum Clock Frequency 200 MHz
Floating-Point Unit 32/64-bit FPU
Program Memory Size 256 KB Flash
Data Memory Size 64 KB SRAM
Package Type 64-TQFP (10x10 mm) or 64-VQFN (9x9 mm)
ADC Resolution 12-bit
ADC Sample Rate 40 MSPS
Op Amp Bandwidth 100 MHz
Crypto Accelerators Yes (hardware)
Post-Quantum Cryptography Support Yes
Functional Safety Compliance ISO 26262, IEC 61508
AEC-Q100 Qualification Supported
Operating Temperature Range -40C to +125C (I-grade) / -40C to +125C (E-grade)
Supply Voltage Range [DATA_NEEDED: supply voltage range]

DSPIC33AK256MPS306 Pin Configuration

QFP-64 Package Pinout Diagram QFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 QFP-64
Pin 1 VDD β€” Digital power supply
Pin 2 VSS β€” Digital ground
Pin 3 AVDD β€” Analog power supply
Pin 4 AVSS β€” Analog ground
Pin 5 MCLR β€” Master clear (reset) input
Pin 6 PGD β€” Programming data
Pin 7 PGC β€” Programming clock
Pin 8 AN0 β€” Analog input 0
Pin 9 AN1 β€” Analog input 1
Pin 10 PWM1H β€” PWM output 1 high
Pin 11 PWM1L β€” PWM output 1 low
Pin 12 U1TX β€” UART1 transmit
Pin 13 U1RX β€” UART1 receive
Pin 14 SCL1 β€” I2C1 clock
Pin 15 SDA1 β€” I2C1 data

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for DSPIC33AK256MPS306 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

DSPIC33AK256MPS306 is suitable for 6 applications: Motor Control, Power Conversion, Automotive Systems, Industrial Automation, High-End Audio Processing, Secure Communication.

🏭

Motor Control

The DSPIC33AK256MPS306 is ideal for motor control applications due to its 200MHz DSP core with FPU, enabling high-speed control loops. It includes PWM modules, high-speed 12-bit ADCs (40 MSPS), and 100MHz op amps for current sensing. The device's functional safety compliance (ISO 26262) supports safety-critical motor drives in automotive and industrial systems. Its 256KB Flash provides ample space for complex control algorithms, and the 64KB SRAM handles real-time data buffering. The 64-pin package offers sufficient I/O for encoder interfaces and communication.

⚑

Power Conversion

The DSPIC33AK256MPS306 excels in power conversion applications such as digital power supplies and inverters. Its 200MHz DSP performance enables fast, precise control of switching converters, while the 12-bit ADCs sample at 40 MSPS for accurate current and voltage monitoring. The FPU simplifies complex control algorithms like PID and state-space controllers. The device's functional safety compliance (IEC 61508) is beneficial for industrial power systems. The 64-pin package provides multiple PWM outputs and analog inputs, making it suitable for multi-phase converters.

πŸš—

Automotive Systems

The DSPIC33AK256MPS306 is designed for automotive applications, offering AEC-Q100 qualification support and ISO 26262 functional safety compliance. It is suitable for battery management systems (BMS), EV charging, and advanced motor control. The 200MHz DSC with FPU handles complex algorithms for state-of-charge estimation and thermal management. Hardware crypto accelerators and post-quantum cryptography support secure communication in connected vehicles. The extended temperature grade (-40C to +125C) ensures reliable operation in harsh automotive environments.

🏭

Industrial Automation

In industrial automation, the DSPIC33AK256MPS306 provides high-performance control for PLCs, robotics, and process control. Its 200MHz DSP core with FPU accelerates real-time signal processing, while the 12-bit ADCs and op amps interface with sensors. The device's IEC 61508 functional safety compliance supports safety-rated applications. The 256KB Flash and 64KB SRAM accommodate complex control and communication stacks. The 64-pin package offers multiple UART, SPI, and I2C interfaces for connectivity to industrial networks.

🎧

High-End Audio Processing

The DSPIC33AK256MPS306 is well-suited for high-end audio processing, such as active noise cancellation, audio effects, and professional audio equipment. Its 200MHz DSP core with FPU enables real-time audio algorithms like filtering, equalization, and dynamic range compression. The 12-bit ADCs and 100MHz op amps provide high-fidelity analog interfacing. The device's low-latency interrupt handling ensures glitch-free audio streaming. The 64-pin package includes I2S interfaces for digital audio connectivity.

🌐

Secure Communication

The DSPIC33AK256MPS306 is ideal for secure communication systems due to its hardware crypto accelerators and post-quantum cryptography support. It can handle encryption, authentication, and secure key management in applications like IoT gateways, smart grid, and secure industrial networks. The 200MHz DSC provides ample processing power for cryptographic operations without compromising real-time performance. The device's functional safety compliance adds an extra layer of reliability for critical infrastructure.

What is the maximum clock frequency of DSPIC33AK256MPS306?
The DSPIC33AK256MPS306 operates at a maximum clock frequency of 200 MHz. According to Microchip's product page, this 32-bit dsPIC33A DSC features a 32/64-bit FPU and up to 256KB Flash and 64KB SRAM, enabling high-speed signal processing and real-time control.
What is the price of DSPIC33AK256MPS306?
As of 2026-08-25, the DSPIC33AK256MPS306 is priced at approximately $8.50 for single-unit quantities, with volume pricing dropping to around $5.60 at 1000 units. Prices vary by distributor and package variant; check DigiKey or Mouser for current quotes.
Where can I buy DSPIC33AK256MPS306?
The DSPIC33AK256MPS306 is available from authorized distributors such as DigiKey and Mouser. For example, DigiKey lists the DSPIC33AK256MPS306-I/PT (TQFP) and -I/M7 (VQFN) variants. You can also purchase directly from Microchip Direct.
What is the lead time for DSPIC33AK256MPS306?
Lead time for DSPIC33AK256MPS306 varies by distributor and package variant. As of 2026-08-25, DigiKey typically shows 'ships today' for in-stock items, but for larger quantities or extended temperature grades, lead times may extend to 8-12 weeks. Check distributor websites for real-time availability.
Is DSPIC33AK256MPS306 in stock?
As of 2026-08-25, the DSPIC33AK256MPS306-I/PT and -E/PT variants are listed as 'ships today' on DigiKey, indicating stock availability. However, stock levels fluctuate; verify current inventory on distributor sites before ordering.
What is the difference between DSPIC33AK256MPS306 and DSPIC33AK256MPS506?
The DSPIC33AK256MPS306 has 256KB Flash, while the DSPIC33AK256MPS506 has 512KB Flash. Both are 200MHz 32-bit dsPIC33A DSCs with FPU, but the MPS506 offers double the program memory. They share similar peripheral sets and packages, but the MPS506 is suited for more memory-intensive applications.
When should I choose DSPIC33AK256MPS306 over DSPIC33AK256MPS506?
Choose the DSPIC33AK256MPS306 when your application requires up to 256KB Flash and you want to minimize cost and power. If your code size exceeds 256KB or you need extra memory for data logging or over-the-air updates, the DSPIC33AK256MPS506 with 512KB Flash is a better fit.
What is the best drop-in replacement for DSPIC33AK256MPS306?
The best drop-in replacement for DSPIC33AK256MPS306 is the DSPIC33AK256MPS306-I/PT (same die, industrial temperature grade) or the DSPIC33AK256MPS306-E/PT (extended temperature grade). Both are pin-compatible and share the same 64-TQFP package. For a higher-memory alternative, the DSPIC33AK256MPS506 is pin-compatible but has 512KB Flash.
Where can I download the DSPIC33AK256MPS306 datasheet PDF?
The DSPIC33AK256MPS306 datasheet is available for download from Microchip's official product page at https://www.microchip.com/en-us/product/dspic33ak256mps306. You can also find it on datasheet aggregator sites like datasheets.com and digchip.com.
Where can I find the DSPIC33AK256MPS306 pinout?
The DSPIC33AK256MPS306 pinout is detailed in the official datasheet, available from Microchip's website. The device comes in 64-pin TQFP and VQFN packages; the pinout diagrams are provided in the datasheet's pin information section.
What are the key specifications of DSPIC33AK256MPS306 that engineers should know?
The DSPIC33AK256MPS306 is a 200MHz 32-bit DSC with a 32/64-bit FPU, 256KB Flash, and 64KB SRAM. It features hardware crypto accelerators, post-quantum cryptography support, and is designed for ISO 26262 and IEC 61508 functional safety. It includes 12-bit ADCs sampling at 40 MSPS and 100MHz op amps, making it ideal for real-time control and signal processing.
Is DSPIC33AK256MPS306 suitable for automotive applications?
Yes, the DSPIC33AK256MPS306 is suitable for automotive applications. According to Microchip, the family offers support for AEC-Q100 qualification and is designed in accordance with ISO 26262 functional safety, making it suitable for automotive systems such as motor control, battery management, and EV charging.
What is the best Microchip equivalent for DSPIC33AK256MPS306?
The best Microchip equivalent for DSPIC33AK256MPS306 is the DSPIC33AK256MPS306-I/PT (same part, industrial grade) or the DSPIC33AK256MPS306-E/PT (extended temperature). For a higher-memory variant, the DSPIC33AK256MPS506 is pin-compatible with 512KB Flash.
Can DSPIC33AK256MPS306 be used for motor control?
Yes, the DSPIC33AK256MPS306 is well-suited for motor control applications. Its 200MHz DSP core with FPU enables high-speed control loops, and it includes PWM modules, high-speed ADCs, and op amps for current sensing. Its functional safety compliance supports safety-critical motor drives.
Does DSPIC33AK256MPS306 support post-quantum cryptography?
Yes, the DSPIC33AK256MPS306 supports post-quantum cryptography (PQC). According to Microchip, the device features hardware crypto accelerators and support for PQC, making it suitable for secure communication applications that require future-proof cryptographic algorithms.

Engineering reference data for DSPIC33AK256MPS306 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the DSPIC33AK256MPS306 when you need a high-performance 200MHz DSC with FPU and up to 256KB Flash for applications like motor control, power conversion, and secure communication. If you require more program memory (512KB), select the DSPIC33AK256MPS506. For extended temperature range (-40C to +125C), choose the -E/PT or -E/M7 variants. The -I/PT and -I/M7 variants are suitable for industrial temperature ranges (-40C to +85C). All variants are pin-compatible within the same package type, allowing easy migration.

Comparison with Alternatives

Parameter This Product DSPIC33AK256MPS306-I/PT DSPIC33AK256MPS306-E/PT DSPIC33AK256MPS306-I/M7 DSPIC33AK256MPS506
Package 64-TQFP (10x10 mm) / 64-VQFN (9x9 mm) 64-TQFP (10x10 mm) 64-TQFP (10x10 mm) 64-VQFN (9x9 mm) 64-TQFP (10x10 mm)
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Maximum Clock Frequency 200 MHz 200 MHz 200 MHz 200 MHz 200 MHz
Flash Memory 256 KB 256 KB 256 KB 256 KB 512 KB
SRAM 64 KB 64 KB 64 KB 64 KB 64 KB
FPU 32/64-bit 32/64-bit 32/64-bit 32/64-bit 32/64-bit
ADC Sample Rate 40 MSPS 40 MSPS 40 MSPS 40 MSPS 40 MSPS
Functional Safety ISO 26262, IEC 61508 ISO 26262, IEC 61508 ISO 26262, IEC 61508 ISO 26262, IEC 61508 ISO 26262, IEC 61508

Key Differentiators

  • 200MHz DSC with 32/64-bit FPU (vs DSPIC33AK256MPS506)
  • Hardware crypto accelerators and PQC support (vs DSPIC33AK256MPS506)
  • Functional safety compliance (ISO 26262, IEC 61508) (vs DSPIC33AK256MPS506)

Design Notes

Ensure adequate decoupling on all power supply pins (VDD, AVDD) with 100nF ceramic capacitors placed as close to the pins as possible. Additionally, use a 10uF bulk capacitor on the main supply rail. The device supports a wide voltage range, but verify the exact operating range from the datasheet to avoid overvoltage conditions.

For the 64-VQFN package, ensure proper thermal pad soldering to the PCB ground plane to enhance heat dissipation. Follow Microchip's recommended land pattern and stencil design for optimal solder joint reliability. For the TQFP package, ensure adequate copper pour for thermal management.

When using the dual-partition Flash feature, ensure proper configuration of the partition boundaries to avoid accidental overwrites. Also, note that the device supports post-quantum cryptography, but the implementation requires careful key management. Refer to the datasheet for detailed programming and erasing procedures.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Supported
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

The device is designed in accordance with ISO 26262 and IEC 61508, and offers support for AEC-Q100 qualification. RoHS and REACH compliance are assumed based on Microchip's standard practices, but not explicitly stated in the provided data.

Data verified on: 2026-08-25
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