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DSPIC33FJ64GP710-I/PT

DSPIC33FJ64GP710-I/PT - 16-bit DSC 40 MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP710-I/PT is a 16-bit digital signal controller (DSC) delivering 40 MIPS at 40 MHz with 64KB of Flash program memory, housed in a 100-pin TQFP (12x12 mm) package. A digital signal controller combines the compute architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, a DSC sits above general-purpose MCUs for math-intensive tasks: its 16-bit modified Harvard architecture, DSP engine, and rich analog/timer peripherals make it the bridge between a PIC-class MCU and a dedicated DSP. The dsPIC33F family shares seamless migration options to and from PIC24 MCUs and dsPIC30F DSCs in similar packages. Key features of this device include the 64KB (64K x 8) self-programmable Flash, 40 MIPS maximum throughput, an industrial-grade operating range implied by the -I temperature suffix, and a 100-terminal TQFP footprint with 0.5 mm pitch that suits high-pin-count motor-control and signal-processing boards. The GP (general purpose) variant carries a broad peripheral portfolio including UART, SPI, I2C, and ADC resources typical of the dsPIC33F General Purpose family. Architecturally, the dsPIC33F core executes most instructions in a single cycle and includes hardware DSP multiply-accumulate support, enabling real-time control loops and filtering that would overload a conventional 8-bit or basic 16-bit MCU. Operation from a nominal 3.3 V supply (3.0 V to 3.6 V) simplifies integration with modern logic rails. Typical applications include digital power supplies, motor control (BLDC/PMSM/ACIM), industrial automation, sensor signal conditioning, and audio or communications processing where the GP peripherals and DSP instructions are both required. For design, allow brown-out and power-supply sequencing margin at 3.3 V operation, and verify Flash endurance and temperature derating against the official Microchip datasheet before final qualification. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33FJ64GP710A-E/PF

DSPIC33FJ64GP710A-E/PF - 16-bit DSC 40 MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP710A-E/PF is a 16-bit dsPIC33F General Purpose Digital Signal Controller (DSC) delivering up to 40 MIPS at 3.0-3.6V, with 64KB (64K x 8) of Flash program memory and 16KB of RAM, housed in a 100-pin TQFP (14x14 mm) package rated for -40C to +125C extended temperature operation. A digital signal controller is a hybrid of a microcontroller (MCU) and a digital signal processor (DSP): it couples a 16-bit CPU with DSP-class multiply-accumulate (MAC) instructions, a barrel shifter, and dual operand fetch, while retaining the peripherals, interrupts, and ease of use of a classic microcontroller. In the power management hierarchy it sits between plain 8-bit MCUs and full 32-bit DSPs, making dsPIC33F devices the default choice for closed-loop control systems. Key features include 16-bit fixed-point operation at up to 40 MIPS, 85 interrupt vectors, a rich analog suite, and five 16-bit timers. General purpose (GP) variants add audio-class peripherals: dual I2S CODEC interfaces, up to three UARTs, two CAN modules in some family members, up to 16-channel 10-bit ADC, output compare and input capture channels, and multiple PWM generators for motor control. Architecturally, the dsPIC33F core uses a modified Harvard pipeline with 24-bit instruction words and a DSP engine offering single-cycle 40-bit MAC, division assist, and bit-reversed addressing for FFTs. Flash is self-programmable, and the A-version silicon (this part) incorporates Microchip errata fixes over the original dsPIC33FJ64GP710. Seamless migration options exist to PIC24 MCUs and dsPIC30F DSCs in similar packages. Typical applications include switch-mode power supplies, digital lighting ballasts, sensorless PMSM and BLDC motor drives, audio processing and CODEC systems, and general industrial control where DSP math and MCU peripherals are both required. Design consideration: run the device at 3.3V nominal (3.0-3.6V permitted for full 40 MIPS) and decouple VDDCORE/VCAP with the recommended low-ESR capacitor for core regulation stability. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ64GP710A-I/PF

DSPIC33FJ64GP710A-I/PF - 16-bit 40 MIPS DSC 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP710A-I/PF is a 16-bit digital signal controller (DSC) delivering up to 40 MIPS performance, 64 KB of Flash program memory, and 3.3V operation, housed in a 100-pin TQFP (14x14 mm) package rated from -40C to +85C. A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power management hierarchy of embedded systems, a DSC such as the dsPIC33F family occupies the space between general-purpose microcontrollers and dedicated DSPs, offering deterministic, high-speed control loops with on-chip analog and communication peripherals. The dsPIC33FJ64GP710A belongs to Microchip's dsPIC33F General Purpose (GP) family, which is designed for digital filtering algorithms and high-speed precision digital control loops. Key features include a 16-bit fixed-point DSP engine with a barrel shifter, two 40-bit accumulators, and single-cycle MAC instructions; 64 KB (64K x 8) of Flash program memory; and 85 programmable input/output pins. The device integrates nine timers/counters, a watchdog timer, and boundary-scan (JTAG) capability for board-level test. Low-power modes support sleep, idle, and doze states for battery-conscious designs. The device is manufactured in CMOS technology and executes up to 40 million instructions per second at its 3.3V supply. Its advanced analog and communication peripheral integration supports seamless migration within the dsPIC33F family and to PIC24 MCU devices in similar packages, protecting software investment. Typical applications include digital power supplies and power factor correction, motor control (BLDC, PMSM, AC induction), and sensor signal processing in industrial and automotive-adjacent environments where -40C to +85C industrial temperature ratings are required. For design, note that all VDD and VSS pin pairs must be connected, and any PGECx/PGEDx pair must be used together for ICSP programming - for example, ICSPCLK on PGEC2 with ICSPDAT on PGED2. This page synthesizes distributor pricing, drop-in same-family alternatives, cross-reference data, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33FJ64GP710T-I/PT

DSPIC33FJ64GP710T-I/PT - 16-bit 40 MIPS DSC, 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP710T-I/PT is a 16-bit dsPIC33F General Purpose Digital Signal Controller (DSC) delivering up to 40 MIPS from 64KB (64K x 8) of FLASH program memory and 16KB of RAM, housed in a 100-pin TQFP (12x12 mm) package rated for -40C to +85C (industrial) operation. A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, the dsPIC33F family sits above basic PIC16/PIC18 microcontrollers and offers hardware DSP instructions, seamless migration to PIC24 MCUs, and a rich analog and communication peripheral set on a single 3.3V chip. Key features include the 16-bit dsPIC33F core with DSP engine (40 MIPS at 3.3V), 64KB self-programming FLASH with 16KB RAM, and integrated peripherals such as I2C, SPI, UART/USART, IrDA, and CAN interfaces for industrial networking. The GP (general purpose) variant targets mixed signal-processing and control workloads without the motor-control specialization of the MC series. Architecturally, the dsPIC33F core pairs a 16-bit modified Harvard pipeline with a dedicated DSP multiply-accumulate unit and dual operand fetch, allowing filtering and FFT kernels to execute in single-cycle MAC operations. The PLL-based oscillator system supports crystal, internal RC, and external clock sources with on-the-fly frequency changes and clock failure protection. Typical applications include industrial control panels, communication gateways using the CAN interface, audio and sensor signal processing, and general embedded control where 16-bit arithmetic and DSP capability are required. When designing with this device, budget the 3.3V supply rail for peak core and I/O current and place a 0.1uF decoupling capacitor at each supply pin pair; the 100-pin TQFP footprint demands careful escape routing on 4-layer PCBs. This page synthesizes distributor pricing, verified drop-in alternatives, pinout guidance, and practical design notes not found together on the manufacturer datasheet.

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DSPIC33FJ64GP802-E/MM

DSPIC33FJ64GP802-E/MM - 16-bit 40MIPS DSC 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP802-E/MM is a 16-bit digital signal controller (DSC) delivering up to 40 MIPS of performance with 64 KB of Flash program memory and 16 KB of SRAM, housed in a 28-pin QFN (6x6 mm, exposed pad) package with extended temperature operation (-40C to +125C). A digital signal controller combines the deterministic control flow of a 16-bit microcontroller with the DSP engine of a digital signal processor in a single silicon device. In the embedded systems hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs, making it the natural choice for closed-loop control applications that need both C-friendly code density and single-cycle multiply-accumulate throughput. Key features include 16384 words of Flash program memory, 8 DMA channels that move data without CPU intervention, 7 timers, 3 serial I/O interfaces (UART, SPI, I2C), and software-remappable pin functions that simplify PCB routing. The extended-temperature E suffix and AEC-Q100 qualification make this specific ordering code suitable for automotive and harsh industrial environments. Architecturally, the dsPIC33FJ core uses CMOS process technology with a 16-bit modified Harvard bus, a hardware 17-bit x 17-bit multiplier, a barrel shifter, and DSP accumulate instructions executing in a single cycle at 40 MIPS from a 3.0V to 3.6V supply. An integrated 10-bit ADC with hardware conversion triggering feeds the DMA controller for low-jitter sensor sampling, while 5V-tolerant digital pins with per-pin overvoltage clamp current of 5 mA ease interfacing with legacy 5V systems. Typical applications include BLDC/PMSM motor control where fast ADC-to-PWM latency matters, digital power supplies and PFC stages, automotive sensor nodes, and audio signal processing. The 28-pin footprint with 21 I/O ports gives enough peripheral density for compact control boards. A key design consideration is supply integrity: the 3.3V rail must stay within 3.0V to 3.6V, and the internal regulator requires proper decoupling per the Microchip datasheet (DS70292G); the exposed pad should be soldered to a ground pour for thermal and EMI performance. This page synthesizes distributor inventory data, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33FJ64GP802-E/SO

DSPIC33FJ64GP802-E/SO - 16-bit DSC, 64KB Flash, 40 MIPS | Microchip

The Microchip Technology DSPIC33FJ64GP802-E/SO is a 16-bit digital signal controller (DSC) combining a dsPIC33F RISC core running at up to 40 MIPS with 64 KB of Flash program memory, 16 KB of SRAM, and an extended-temperature -40C to +125C rating in a 28-pin SOIC package. A digital signal controller is a hybrid class of semiconductor that merges the peripheral set and ease-of-use of a microcontroller (MCU) with the computational hardware of a digital signal processor (DSP). Within the power-management and embedded-processing hierarchy, the dsPIC33FJ family sits under the 16-bit MCU/DSC taxonomy, sitting above 8-bit PIC MCUs in math throughput while remaining simpler than 32-bit application processors. DSCs are the workhorses of high-speed precision digital control loops. Key features include hardware multiply, divide, and barrel shifter units for single-cycle DSP operations, 8-channel direct memory access (DMA) for moving ADC and serial data without CPU intervention, a CAN 2.0B controller for industrial and automotive networking, and multiple serial ports (UART, SPI, I2C) managed through Microchip's Peripheral Pin Select (PPS) scheme. The core executes two instructions per clock cycle, delivering the 40 MIPS rating from an internal PLL. Architecturally, the dsPIC33F uses a modified Harvard bus structure with separate program and data paths, a 16-bit ALU plus 40-bit accumulator support for DSP multiply-accumulate (MAC) instructions, and a vectored interrupt controller with deterministic latency. Flash program memory is self-programmable for field firmware updates, and the device operates from a single 3.3V supply with an internal oscillator and fail-safe clock monitoring. Typical applications include motor control (BLDC, PMSM, stepper), digital power supplies and power factor correction, industrial automation and CAN networking nodes, and signal-conditioning or digital-filter front ends in measurement equipment. The E-grade temperature rating and AEC-Q100 qualification make it suitable for automotive under-hood and harsh industrial environments. Design consideration: the dsPIC33FJ family requires careful power-up sequencing and proper decoupling (0.1uF on every VDD/VSS pair); the Peripheral Pin Select must be locked after configuration to prevent runtime remapping of critical pins. This page synthesizes distributor pricing, drop-in alternatives, compliance data, and practical design notes not consolidated in the manufacturer datasheet (436-page family datasheet, 6 MB).

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DSPIC33FJ64GP802-H/SO

DSPIC33FJ64GP802-H/SO - 16-bit 64KB DSC 40MHz AEC-Q100 | Microchip

The Microchip Technology DSPIC33FJ64GP802-H/SO is a 16-bit digital signal controller (DSC) with 64 KB Flash program memory, 16 KB SRAM, and a 40 MHz internal clock delivering up to 20 MIPS performance, housed in a 28-pin SOIC package with 7.50 mm body width. The device is AEC-Q100 automotive qualified and operates from a 3 V to 3.6 V supply. A digital signal controller combines the compute architecture of a microcontroller with the mathematical acceleration of a digital signal processor. In the system hierarchy, the dsPIC33F family sits between general-purpose 16-bit MCUs and dedicated DSPs, providing a RISC core, hardware multiply-accumulate (MAC) units, and DSP-style addressing modes within a familiar MCU development ecosystem. This makes the family suitable for control loops and signal processing tasks that neither a plain MCU nor a costlier DSP serves efficiently. Key features of this device include 64 KB (64K x 8) of self-programming Flash, 16 KB of RAM, an on-chip CAN 2.0B module for automotive and industrial networking, DMA controllers for low-overhead data movement, and the advanced analog peripherals typical of the dsPIC33F GP series. The -H/ suffix denotes an extended temperature grade, and the /SO suffix specifies the 28-lead SOIC package. Per the Microchip product page, the part status is In Production. Architecturally, the dsPIC33FJ64GP802 executes a 16-bit modified Harvard RISC instruction set, with dedicated DSP engine instructions for digital filtering and high-speed precision control loops. According to Microchip documentation, dsPIC33F devices are designed to execute digital filter algorithms and high-speed precision digital control loops, ideal for applications that need to perform under pressure. The supply voltage range of 3 V to 3.6 V supports standard 3.3 V rails, and 21 I/O lines are available in the 28-pin package. Typical applications include automotive sensor interfaces and CAN networked nodes, digital power supplies and motor control, and audio or sensor signal processing where 16-bit DSP instructions and AEC-Q100 qualification are required. The 40 MHz clock and hardware MAC unit let the controller close control loops in the tens of microseconds while still handling protocol stacks. Design consideration: the -H grade has a different operating temperature ceiling than the -I grade; verify the ambient profile before choosing between suffixes, as both share the same die and SOIC footprint. All supply pins must be decoupled and MCLR properly biased for in-circuit programming. This page synthesizes distributor pricing tiers, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, consolidating data verified as of 2026-09-27.

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DSPIC33FJ64GP802-I/SO

DSPIC33FJ64GP802-I/SO - 16-bit DSC, 40 MIPS, 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP802-I/SO is a 16-bit digital signal controller (DSC) delivering up to 40 MIPS from its 40 MHz CMOS core, with 64 KB of Flash program memory and 16 KB of SRAM, housed in a 28-pin SOIC (SO) package rated for -40C to +85C operation. A digital signal controller combines the computational architecture of a digital signal processor - including a hardware multiplier, barrel shifter, and DSP instruction set - with the peripheral integration and ease of use of a microcontroller. Within the power management hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP, making the dsPIC33FJ family a common choice for closed-loop digital power, motor control, and sensor signal processing where both fast math and rich peripherals are needed. Key features of the DSPIC33FJ64GP802 include 8 DMA channels that offload data movement from the CPU, 7 timers for capture/compare and PWM generation, and 3 serial I/O ports (UART, SPI, and I2C) for communication. The device integrates advanced analog, including a high-speed 10-bit ADC, enabling direct sensor interfacing for control loops. Technically, the dsPIC33FJ core executes most instructions in a single cycle with a modified Harvard bus architecture and supports fractional and saturated DSP arithmetic. Peripherals such as the Output Compare modules and Input Capture channels are remappable across RP pins, giving PCB layout flexibility in the 28-pin footprint. The operating supply range is 3.0 V to 3.6 V, compatible with standard 3.3 V logic systems. Typical applications include digital power supplies (SMPS and power factor correction), brushless DC and PMSM motor control, and audio or sensor signal conditioning, where the 40 MIPS throughput and hardware DSP multiply-accumulate operations maintain loop bandwidth under load. Design consideration: the 28-SOIC package requires careful decoupling (100 nF ceramic at VDD/AVDD) and, because VDD and core supply share the 3.3 V rail in this family, verify Brown-out and POR settings for reliable startup. This page synthesizes distributor pricing, drop-in same-family alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ64GP802T-I/MM

DSPIC33FJ64GP802T-I/MM - 16-bit DSC 40MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP802T-I/MM is a 16-bit Digital Signal Controller (DSC) delivering up to 40 MIPS execution speed with 64 KB (64K x 8) of FLASH program memory, 16 KB (16K x 8) of SRAM, and 21 general-purpose I/O lines, housed in a 28-pin QFN-S surface-mount package measuring 6 mm x 6 mm. A Digital Signal Controller combines the computational architecture of a digital signal processor (DSP) - including a hardware barrel shifter, DSP multiply-accumulate instructions, and fast interrupt handling - with the peripheral integration and ease of use of a general-purpose microcontroller (MCU). Within Microchip's hierarchy, the dsPIC33F family sits between the PIC24 16-bit MCU family and the dsPIC33E high-performance DSC family, making it a popular choice for mixed control-and-signal-processing workloads. Key features of this device include a 16-bit modified Harvard architecture core operating at up to 40 MIPS from a 3.0 V to 3.6 V supply, 64 KB of self-programmable FLASH for field upgrades, and an advanced analog subsystem intended for precision sensing. The GP (General Purpose) peripheral variant adds audio-grade connectivity, making it suitable for signal-chain applications that standard MCUs struggle to serve in a single chip. Technically, the dsPIC33FJ64GP802 executes two-instruction-fetch pipelined code efficiently, includes a hardware DSP engine supporting MAC-class operations for digital filter algorithms and high-speed precision digital control loops, and supports low-power modes plus boundary scan capabilities as described in distributor device summaries. According to Microchip's family documentation, these dsPIC33F devices are designed to execute digital filter algorithms and high-speed control loops under pressure - the defining use case for the family. Typical applications include digital power supplies and lighting control, motor control, audio signal processing, and industrial sensors where the combination of DSP math, general-purpose I/O, and on-chip analog reduces system BOM count. The 6x6 mm QFN-S package supports compact surface-mount designs in industrial and portable equipment. A key design consideration: the device operates only from a 3.0 V to 3.6 V supply, so 5 V systems require level shifting or a local 3.3 V regulator; plan decoupling on both VDD pins and reference the analog front end carefully to preserve signal integrity. This page synthesizes verified distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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DSPIC33FJ64GP804-E/ML

DSPIC33FJ64GP804-E/ML - 16-bit DSC, 64KB Flash, 40MHz | Microchip

The Microchip Technology DSPIC33FJ64GP804-E/ML is a 16-bit Digital Signal Controller (DSC) with 64 KB of Flash program memory, 16 KB of SRAM, and a 40 MHz clock speed, housed in a lead-free 44-pin QFN (8x8 mm) package with exposed pad and an extended operating temperature range of -40C to +125C. A Digital Signal Controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). In the product hierarchy, the dsPIC33FJ family sits within Microchip's 16-bit architecture line, bridging general-purpose PIC24 microcontrollers and dedicated DSPs. DSCs are widely chosen when a system needs both control-loop handling and math-intensive signal processing in a single chip. Key features of the DSPIC33FJ64GP804-E/ML include 64 KB of Flash ROM for program storage, 16 KB of on-chip SRAM, operation from a 3.0 V to 3.6 V single supply (3.3 V nominal), 21 I/O ports, and DSP engine capability for MAC-class operations. The device belongs to the dsPIC33FJ64GPX04 family (dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, dsPIC33FJ128GPX02/X04), which integrates advanced analog peripherals suited to motor control, digital power, and sensing applications. Architecturally, the device uses a 16-bit modified Harvard core with a dedicated DSP engine, hardware multiply-accumulate (MAC) unit, and a 40 MHz clock, delivering deterministic single-cycle DSP-class math. The ALU and DSP engine allow C-compiled code plus inline DSP assembly for filters and transforms. Flash program memory supports in-circuit self-programming, and the device supports ICSP (In-Circuit Serial Programming) using any matched PGECx/PGEDx pin pair. Typical applications include sensor signal conditioning with on-chip filtering, digital power supplies, embedded industrial control, portable instrumentation, and general-purpose DSP tasks such as audio processing and FFT-based analysis. The extended -40C to +125C range and QFN-44 surface-mount package make it suitable for harsh or thermally demanding environments. A key design consideration: ICSP programming requires PGECx and PGEDx pins to be used strictly as pairs - if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. Also keep the exposed pad connected to a solid ground plane for thermal and signal-integrity performance. This page synthesizes verified distributor data, drop-in family alternatives, and practical programming/design notes not found in the manufacturer datasheet, providing a single citable engineering reference.

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DSPIC33FJ64GP804-E/PT

DSPIC33FJ64GP804-E/PT - 16-bit DSC 64KB Flash 40MIPS | Microchip

The Microchip DSPIC33FJ64GP804-E/PT is a 16-bit digital signal controller (DSC) combining a dsPIC33F RISC core running up to 40 MIPS with 64KB of Flash program memory and 16KB of SRAM, housed in a 44-pin TQFP (10x10 mm) package with an extended -40C to +125C operating temperature range. A digital signal controller is a hybrid device class that merges the deterministic interrupt latency and peripheral set of a microcontroller (MCU) with the multiply-accumulate (MAC) DSP engine of a digital signal processor. Within the power-management hierarchy of embedded systems, the DSC sits above a general-purpose MCU and below a dedicated DSP, making the dsPIC33F family a common choice for embedded control loops that also need math-heavy signal processing. Key features include 8 DMA channels that offload data movement from the CPU, 3 external interrupt sources, and 3 serial communication ports supporting UART, SPI, and I2C peripherals. The device operates from a single 3.0V to 3.6V supply with a nominal 3.3V rail, and integrated audio/general-purpose peripherals make it suited to mixed analog-digital nodes. Architecturally, the dsPIC33F core uses a modified Harvard pipeline with DSP instruction support (MAC, DSP multiply, barrel shifter) executed in a single cycle at 40 MIPS. Flash program memory is 24-bit instruction-word wide, and the 16KB SRAM supports both data and DSP X/Y memory partitioning. CMOS process technology keeps active current low for industrial duty cycles. Typical applications include industrial motor control (BLDC/ACIM with sensor feedback), digital power supplies and power-factor-correction stages, and audio/sensor signal processing where a 16-bit DSC with an on-chip ADC is preferred over a discrete MCU-plus-DSP pairing. The extended temperature variant also fits automotive auxiliary and outdoor industrial nodes. When designing with this device, budget the 3.3V rail decoupling per Microchip layout guidance and confirm the ADC module variant (10-bit vs 12-bit) for your part number before finalizing analog channel counts. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ64GP804-I/PT

DSPIC33FJ64GP804-I/PT - 16-bit DSC, 64KB Flash, 40 MIPS | Microchip

The Microchip Technology DSPIC33FJ64GP804-I/PT is a 16-bit digital signal controller (DSC) delivering 40 MIPS performance with 64 KB of Flash program memory and 16 KB of SRAM, housed in a 44-pin TQFP (10x10 mm, 0.8 mm pitch) surface-mount package. It combines MCU control with DSP capability in a single core. A digital signal controller is a hybrid of a microcontroller and a digital signal processor: it retains the peripherals, interrupt structure and ease of use of an MCU while adding DSP-style multiply-accumulate (MAC) instructions and addressing modes. In the power-management hierarchy, the dsPIC33FJ family sits between general-purpose 16-bit MCUs (PIC24) and dedicated DSPs, making it the default choice for embedded control loops that also need real-time math. Key features include 8-channel DMA for moving data without CPU intervention, 7 timers, and 3 serial communication ports (UART, SPI, I2C). The GP (General Purpose) variant integrates advanced analog peripherals, making it suited to mixed signal-control designs. The industrial temperature grade (-I) covers -40C to +85C operation. Architecturally, the dsPIC33FJ core executes an optimized C compiler-friendly instruction set with DSP engine support, single-cycle MAC, and two address generation units, achieving up to 40 MIPS from a 3.0 V to 3.6 V supply. In-circuit serial programming (ICSP) via MPLAB SNAP or similar tools enables field updates. Typical applications include digital power supplies, motor control (BLDC/PMSM), and sensor signal processing where fast control loops meet mathematical intensity. Design consideration: keep VDD within 3.0-3.6 V and place 0.1 uF decoupling caps at every VDD/VSS pair; use the 10x10 mm TQFP thermal pad-free layout with solid ground plane for analog performance. This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-09-27.

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DSPIC33FJ64GP804T-I/ML

DSPIC33FJ64GP804T-I/ML - 16-bit 64KB DSC 44-QFN | Microchip

The Microchip Technology DSPIC33FJ64GP804T-I/ML is a 16-bit Digital Signal Controller (DSC) delivering 40 MIPS performance, 64 KB of Flash program memory, and 16 KB of SRAM in a 44-pin QFN (8x8 mm) package with exposed pad. A Digital Signal Controller combines the computational core of a Digital Signal Processor (DSP) with the peripheral set of a microcontroller (MCU), making the dsPIC33F family a superset of both product categories within the broader power-management-and-control semiconductor hierarchy. DSCs execute high-speed, repetitive math (multiply-accumulate, division support, barrel shifter) while retaining general-purpose I/O, timers, and communication peripherals on one chip. Key features of the DSPIC33FJ64GP804T-I/ML include a modified Harvard 16-bit RISC core clocked at up to 40 MHz (40 MIPS), 8-channel DMA, 7 timers, and 3 serial I/O subsystems (UART, SPI, I2C) per distributor listings. The device operates from a 3 V to 3.6 V supply and integrates the General Purpose (GP) analog suite of the dsPIC33FJ64GPX04 family, including a high-speed 12-bit ADC and output-compare/PWM channels suited to control loops. Architecturally, the dsPIC33F core supports DSP-class instructions with dual operand fetch and hardware multiply, enabling single-cycle MAC operations that an ordinary 8-bit or 16-bit MCU performs in software. Flash program memory is self-programmable, supporting field firmware updates. Typical applications include industrial automation and motor-adjacent control, sensor signal processing, digital power conversion, and general embedded control where 16-bit math throughput and DMA-driven data movement are required. When designing with this part, budget the 3.3 V rail precisely (3 V to 3.6 V) and use the exposed pad as the primary ground path for thermal and signal-integrity reasons. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet. All pricing references are as of 2026-09-27.

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DSPIC33FJ64GP804T-I/PT

DSPIC33FJ64GP804T-I/PT - 16-bit DSC 40 MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GP804T-I/PT is a 16-bit Digital Signal Controller (DSC) delivering 40 MIPS performance with 64 KB of Flash program memory, DMA controller, and a 3.0V to 3.6V supply range, housed in a 44-pin TQFP (PT, 10x10 mm) surface-mount package rated for -40C to +85C industrial operation. A Digital Signal Controller combines the peripheral set and ease of use of a microcontroller with the computational throughput of a digital signal processor. In the power-management IC hierarchy, the DSC sits above a plain MCU because it adds DSP-class multiply-accumulate instructions, hardware fractional arithmetic, and high-speed ADC sampling, while retaining Flash self-programming, interrupts, and familiar development tools such as MPLAB X and the Explorer 16/32 Development Board. Key features of this device include the 40 MIPS dsPIC33F core executing an enhanced 16-bit instruction set with DSP extensions, 64 KB of self-programmable Flash, integrated DMA for data movement without CPU intervention, and multiple serial communications engines suited to motor control, digital power, and audio signal chains. The 21 I/O ports provide flexible peripheral mapping across the 44-pin footprint. From an architecture standpoint, the dsPIC33FJ64GP804 belongs to Microchip's GP (general purpose) family of dsPIC33FJ devices, which pairs the 16-bit CPU with advanced analog peripherals and supports the PIC24F, dsPIC, and PIC32 tool ecosystem. Software libraries, code examples, and Plug-In Modules (PIMs) are shared across the family, reducing development risk when scaling Flash density within the same pinout. Typical applications include digital power supplies and power factor correction, sensorless motor control drives, industrial automation nodes, and embedded audio or communications processing where 40 MIPS of DSP throughput at 3.3V is sufficient. When designing with this DSC, budget the 3.0V-3.6V rail carefully and place 0.1uF decoupling capacitors at every VDD/VSS pair; the tape-and-reel (1200 units) packing suits automated SMT assembly lines. This page synthesizes distributor pricing, same-brand drop-in alternatives within the dsPIC33FJ 44-pin TQFP family, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33FJ64GS406-50I/MR

DSPIC33FJ64GS406-50I/MR - 16-bit DSC 50MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GS406-50I/MR is a 16-bit digital signal controller (DSC) delivering up to 50 MIPS performance with 64KB of FLASH program memory and 8KB of RAM, housed in a 64-pin VQFN (9x9 mm, MR suffix) surface-mount package rated for -40C to +85C industrial operation. A digital signal controller combines the deterministic control flow of a microcontroller with the mathematical throughput of a DSP core. In the power-management hierarchy, the dsPIC33FJ family sits between general-purpose MCUs and dedicated DSPs, making it the de-facto standard for embedded switch-mode power conversion where one device must run both the real-time control loop and the supervisory firmware. Key features include a 16-bit dsPIC33F core clocked at up to 50 MHz (50 MIPS), dedicated high-speed SMPS PWM modules with sub-nanosecond-resolution duty-cycle control, a high-speed 10-bit ADC, and integrated analog comparators targeted at digital power topologies. The device also provides a Quadrature Encoder Interface (QEI), 4 DMA channels, and multiple serial ports (UART/SPI/I2C) for system communication. Technically, the GS series separates itself from the general-purpose GP/MC variants by integrating power-conversion peripherals: phase-shifted PWM outputs, programmable dead-time, fault inputs with cycle-by-cycle current limiting, and fast analog comparators that can trip the PWM hardware without CPU intervention. This architecture enables closed-loop buck, boost, PFC, and LLC control loops executing at hundreds of kHz switching frequencies. Typical applications include interleaved power-factor-correction (PFC) stages, digitally controlled DC-DC converters, solar micro-inverters, battery chargers, and LED drivers. Microchip's own interleaved PFC reference design is built on this controller family. Design considerations: in-circuit serial programming (ICSP) uses PGECx/PGEDx pin pairs; Microchip recommends keeping ICSP traces short. Place decoupling capacitors on all VDD/VDDCORE pins and observe the 3.0V-3.6V single-supply range. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ64GS406-E/MR

DSPIC33FJ64GS406-E/MR - 16-bit DSC, 64KB Flash, 40 MIPS | Microchip

The Microchip Technology DSPIC33FJ64GS406-E/MR is a 16-bit digital signal controller (DSC) combining a dsPIC33 RISC core running at 40 MIPS with 64KB of Flash program memory and 8KB of RAM, supplied at 3.0V to 3.6V and housed in a 64-pin QFN (MR) surface-mount package rated for -40C to +125C operation. A digital signal controller is a hybrid device class that merges the deterministic control flow of a microcontroller (MCU) with the math throughput of a digital signal processor (DSP). Within the power-management hierarchy, the dsPIC33FJ GS family sits at the application layer of switch-mode power supplies, where it closes digital control loops that would otherwise require analog compensation networks. Key features include a high-speed PWM module purpose-built for power conversion, a high-speed 10-bit ADC capable of sampling simultaneously with PWM trigger synchronization, and analog comparators that enable cycle-by-cycle current limiting without CPU intervention. The device integrates 4 DMA channels, 5 external interrupt sources, and 5 timers per the device family description. Architecturally, the GS-series core couples a 16-bit modified Harvard bus structure with DSP instructions (MAC, DSP multiply), allowing single-cycle multiply-accumulate operations that sustain the 40 MIPS rating. The Flash-based program store supports in-circuit serial programming (ICSP) through any PGECx/PGEDx pin pair, and the controller supports boundary scan per family documentation. Typical applications include digital power supplies, interleaved power factor correction (PFC) stages up to 350W in Microchip reference designs, solar inverters, battery chargers, LED drivers, and uninterruptible power supplies, where the tightly coupled PWM-ADC-comparator chain provides fast, deterministic loop response. A critical design consideration: all VDD and VSS pins must be connected and decoupled, and the ICSP programming pair (PGECx/ICSPCLK with the matching PGEDx/ICSPDAT) must be wired as a pair during layout to preserve debug and field-programmability access. This page synthesizes distributor stock and pricing signals, drop-in family alternatives, and practical layout guidance not consolidated in the manufacturer datasheet, verified as of 2026-09-27.

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DSPIC33FJ64GS406-I/MR

DSPIC33FJ64GS406-I/MR - 16-bit DSC, 64KB Flash, 50MIPS | Microchip

The Microchip Technology DSPIC33FJ64GS406-I/MR is a 16-bit digital signal controller (DSC) combining MCU and DSP engine cores, delivering 64KB of on-chip flash memory and 50 MIPS performance in a 64-pin VQFN (9x9 mm) package. It belongs to the GS series optimized for digital power conversion, integrating a high-speed PWM module, high-speed ADC, and analog comparators on a single die. A digital signal controller is a hybrid device that merges the control-flow convenience of a microcontroller (MCU) with the multiply-accumulate (MAC) throughput of a digital signal processor (DSP). Within the power-management semiconductor hierarchy, a DSC sits between a general-purpose MCU and a dedicated power-management IC, executing closed-loop control algorithms for switch-mode power supplies in real time. Key features include the high-speed PWM peripheral engineered for SMPS topologies, a high-speed analog-to-digital converter that can synchronize conversions to the PWM cycle, and multiple analog comparators for cycle-by-cycle current limiting. The device is currently listed by Microchip as In Production, and the industrial temperature suffix (-I) covers -40C to +85C operation. Architecturally, the dsPIC33FJ64GS406 pairs a modified Harvard 16-bit CPU with DSP instructions (MAC, DSP multiply) so that proportional-integral compensators and current-mode control loops execute with deterministic timing. The flash program memory is 64KB, sufficient for complex multi-loop control firmware including PFC stages, resonant converters, and digital ballast algorithms. According to the Microchip family data sheet (document 70000591f), the GS family devices specifically target common multi-loop digital switch-mode power supplies and digital power-conversion applications such as AC-to-DC converters, DC-to-DC converters, power factor correction, and uninterruptible power supplies. Typical applications include interleaved power factor correction (PFC) front ends - Microchip ships a reference design using this controller that accepts universal AC input and produces a single high-voltage DC output up to 350W - plus LLC and full-bridge DC-DC converters, solar micro-inverters, and server power supplies. A key design consideration: keep ICSP (PGECx/PGEDx) programming trace lengths short, and always use a matched PGECx/PGEDx pair - if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. All VDD/VSS pins must be connected and decoupled. This page synthesizes distributor pricing tiers, drop-in family alternatives, and practical digital-power design notes not found in the manufacturer data sheet.

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DSPIC33FJ64GS406-I/PT

DSPIC33FJ64GS406-I/PT - 16-bit DSC, 40MIPS, 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GS406-I/PT is a 16-bit digital signal controller (DSC) delivering 40 MIPS performance with 64KB of flash program memory, operating from a 3V to 3.6V supply and housed in a 64-pin TQFP (PT) package rated for -40C to +125C industrial temperatures. A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits between general-purpose MCUs and full DSPs: it offers Harvard-architecture dual-bus fetching, DSP multiply-accumulate instructions, and, in the GS family, purpose-built switch-mode power supply (SMPS) peripherals. This makes the dsPIC33FJ GS family the de-facto standard for fully digital power conversion, where control loops execute at switching frequencies of 100 kHz to 1 MHz. Key features of this part center on digital power conversion: a high-speed PWM module with complementary outputs, dead-time insertion, and fault protection; a high-speed 10-bit ADC capable of sampling multiple channels simultaneously with the PWM for tightly coupled control loops; and on-chip comparators. Peripherals supporting common multi-loop digital SMPS topologies include AC-DC converters, DC-DC converters, power factor correction (PFC), and uninterruptible power supplies, per the Microchip product page. The 16-bit dsPIC33F CPU core executes modified Harvard instructions with hardware multiply-accumulate, division assist, and 40 MIPS maximum operation at 3.3V. DMA channels move ADC results and PWM data without CPU intervention, freeing cycles for the control-law computation. Flash self-programming supports field firmware updates in deployed power supplies. Typical applications include interleaved power factor correction stages (Microchip's Interleaved PFC reference design produces 350W from universal AC input), server and telecom DC-DC bricks, solar micro-inverters, battery chargers, and uninterruptible power supply (UPS) control boards. The industrial temperature grade and 64 I/O-capable pin count suit multi-rail power systems. Design consideration: all VDD/VSS pairs must be decoupled, and ICSP programming requires using a matched PGECx/PGEDx pair - ICSPCLK and ICSPDAT must come from the same pair number. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ64GS406T-50I/MR

DSPIC33FJ64GS406T-50I/MR - 16-bit DSC, 50 MIPS, 64KB | Microchip

The Microchip Technology DSPIC33FJ64GS406T-50I/MR is a 16-bit digital signal controller (DSC) delivering 50 MIPS performance with 64KB (64K x 8) of FLASH program memory and 8KB of RAM, housed in a 64-pin VQFN (9x9 mm) package. A digital signal controller combines the computational throughput of a DSP engine with the peripheral integration and ease of use of a microcontroller, sitting in the hierarchy between a general-purpose MCU and a dedicated DSP. Within Microchip's power-management-oriented portfolio, the dsPIC33FJ GS family is purpose-built for switch-mode power supplies (SMPS), digital power conversion, and motor control, where fast control loops and high-resolution PWM are essential. Key features of this device include the 16-bit dsPIC33F core executing up to 50 MIPS, dedicated SMPS peripherals including high-resolution PWM modules with dead-time control, quadrature encoder interface (QEI) inputs, 4 DMA channels, 7 timers, and 2 serial I/O ports. The industrial temperature rating (-40C to +85C, suffix I) suits harsh operating environments, and the T suffix denotes tape-and-reel packaging for automated assembly. The GS-series architecture integrates the SMPS PWM peripheral directly onto the core's internal bus, enabling sub-microsecond control-loop latency in peak-current-mode and voltage-mode converters. Fast ADC sampling synchronized to the PWM reduces jitter and improves transient response in digitally controlled power stages. Typical applications include interleaved power factor correction (PFC) - as demonstrated by Microchip's 350W Interleaved PFC reference design - LLC and half-bridge converters, digital LED drivers, and BLDC/PMSM motor control. The QEI peripheral and PWM channels make it a natural fit for servo and traction drives. Design consideration: place the ICSP (PGECx/PGEDx) traces as short as possible per Microchip's programming guidelines, and budget flash headroom - 64KB is sufficient for most control laws but tight for designs adding communication stacks and bootloaders. This page synthesizes distributor data, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet. Pricing shown is as of 2026-09-27.

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DSPIC33FJ64GS406T-50I/PT

DSPIC33FJ64GS406T-50I/PT - 16-bit DSC 50 MIPS SMPS PWM | Microchip

The Microchip DSPIC33FJ64GS406T-50I/PT is a 16-bit digital signal controller (DSC) delivering 50 MIPS performance with 64KB of Flash memory and 8KB of RAM, housed in a 64-pin TQFP (10x10 mm) surface-mount package operating from a 3.3V supply. A digital signal controller combines the computational throughput of a DSP core with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU as the control element of digital power conversion systems, replacing analog control loops with firmware-executed proportional-integral compensators running at switching frequencies of hundreds of kilohertz. Key features of this SMPS-focused family member include dedicated high-speed PWM modules with complementary outputs, dead-time control and fault protection, a high-speed 10-bit ADC with multiple sample-and-hold circuits able to sample multiple channels simultaneously, analog comparators, and a quadrature encoder interface (QEI) for motor feedback. The 50 MIPS core throughput allows single- or multi-loop digital power control with deterministic loop timing. Architecturally, the dsPIC33F core uses a modified Harvard pipeline with DSP multiply-accumulate instructions, enabling fast execution of control-law and filter calculations. Programming is via ICSP using tools such as the PICkit or ICD families, and the same family software libraries (SMPS firmware frameworks) carry across pin-compatible GS-series variants, reducing migration risk. Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages, uninterruptible power supplies, and digital lighting or battery chargers, where the SMPS PWM and ADC combination replaces dedicated analog controllers. The QEI also suits digital motor control. For design, use Microchip's interleaved PFC reference design as a proven starting point, and verify PWM dead-time and ADC trigger timing against your switching frequency. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ64GS606-50I/MR

DSPIC33FJ64GS606-50I/MR - 16-bit 50MIPS SMPS DSC | Microchip

The Microchip Technology DSPIC33FJ64GS606-50I/MR is a 16-bit digital signal controller (DSC) delivering 50 MIPS performance with 64KB of Flash program memory and 9KB of RAM, housed in a 64-pin VQFN (9x9 mm) package with an exposed thermal pad, rated for operation from -40C to +85C. A digital signal controller combines the computational core of a microcontroller with the arithmetic acceleration of a digital signal processor in a single chip. Within the embedded systems hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, providing deterministic interrupt latency, hardware multiply-accumulate units, and specialized power-conversion peripherals. The dsPIC33FJ family from Microchip targets real-time control, with the GS series specifically architected for digital switch-mode power supplies. Key differentiating features include a dedicated high-speed SMPS PWM module with complementary outputs and dead-time control, 2 quadrature encoder interfaces (QEI) for motor feedback, an on-chip CAN 2.0B controller for industrial networking, 4 high-speed analog comparators, an on-chip DAC, and a fast 10-bit ADC with multiple sample-and-hold circuits tailored for current sensing in power supplies. Architecturally, the device uses a modified Harvard 16-bit core with DSP instruction extensions, a barrel shifter, multiple internal bus architecture, 4 DMA channels supporting 7 timers, 2 serial I/O ports, and IEEE 1149.2-compatible JTAG boundary scan for test. In-Circuit Serial Programming (ICSP) and In-Application Programming allow firmware updates without removing the device from the board. Typical applications include AC-DC and DC-DC digital power supplies, interleaved power factor correction (PFC) converters, solar micro-inverters, battery chargers, and digital lighting ballasts, where the SMPS PWM module provides cycle-by-cycle control and the comparators implement fast overcurrent protection without CPU intervention. When designing with this device, budget the 3.3V supply and place the exposed pad on a solid ground plane for thermal and EMI performance; also reserve one PGECx/PGEDx pair for ICSP debugging with short traces. This page synthesizes verified distributor data, drop-in alternatives within the GS family, and practical design guidance not found in the manufacturer datasheet.

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DSPIC33FJ64GS606-50I/PT

DSPIC33FJ64GS606-50I/PT - 16-bit DSC 50MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GS606-50I/PT is a 16-bit Digital Signal Controller (DSC) delivering 50 MIPS performance with 64 KB of Flash program memory and 9 KB of RAM, housed in a 64-pin TQFP (10x10 mm) surface-mount package rated for industrial temperatures from -40C to +85C. A Digital Signal Controller combines the computational architecture of a digital signal processor (DSP) - including a barrel shifter, multiply-accumulate (MAC) hardware, and multiple internal buses - with the peripheral integration and control flexibility of a microcontroller (MCU). The dsPIC33F family from Microchip sits within the broader 16-bit microcontroller hierarchy and is purpose-built for embedded control tasks that also require fast mathematical processing, such as digital power conversion and motor control. Key differentiating features of the DSPIC33FJ64GS606 include a high-speed PWM module purpose-designed for switch-mode power supplies (SMPS), a high-speed on-chip ADC for simultaneous sampling of multiple channels, and integrated analog comparators - a combination that allows a single chip to close digital control loops for power converters. The device also integrates 4 DMA channels and 7 timers, offloading data movement from the CPU core. Architecturally, the dsPIC33F core supports boundary scan (JTAG) for board-level test, multiple low-power modes, and In-Circuit Serial Programming (ICSP) via the PGECx/PGEDx pins, simplifying field upgrades and debugging with tools such as the MPLAB ecosystem. Typical applications include digital power supplies, interleaved power factor correction (PFC) stages - for which Microchip provides a dedicated reference design - uninterruptible power supplies (UPS), battery chargers, and embedded motor control. When designing with this device, keep ICSP programming trace lengths short and budget the 3.0 V to 3.6 V supply rail carefully for the analog peripherals. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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DSPIC33FJ64GS606-E/MR

DSPIC33FJ64GS606-E/MR - 16-bit DSC 40MIPS 64KB | Microchip

The Microchip Technology DSPIC33FJ64GS606-E/MR is a 16-bit digital signal controller (DSC) delivering 40 MIPS from 64KB (64K x 8) of Flash program memory and 9.216KB of RAM, housed in a 64-pin VQFN (9x9 mm, MR) package with exposed pad and an extended -40C to +125C temperature rating (E suffix). A digital signal controller combines the compute power of a DSP engine with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated digital power ICs: it executes closed-loop control algorithms for switch-mode power conversion while integrating the analog and timing peripherals those loops require. The dsPIC33F family is Microchip's 16-bit DSC line purpose-built for digital power. Key features include a high-speed 16-bit PWM module with complementary outputs and dead-time control, a high-speed 10-bit ADC, analog comparators, four DMA channels, a barrel shifter DSP engine, and boundary-scan (JTAG-capable) debug support. The supply range is 3V to 3.6V (single 3.3V rail), and the operating frequency reaches 40 MIPS, sufficient for multi-loop digital power control at practical switching frequencies. Architecturally, the device pairs a 16-bit RISC CPU with a DSP multiply-accumulate engine and multiple internal buses, allowing control-law computation (PI/PID compensation) to run in parallel with PWM update and ADC sampling. AEC-Q100 and TS 16949 alignment per Microchip USA reporting makes it suitable for automotive-adjacent and industrial power designs. Typical applications are AC-to-DC converters, DC-to-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), and solar inverters, where multi-loop SMPS control benefits from the integrated high-speed PWM and fast ADC sampling. Design consideration: budget the 3.3V supply decoupling carefully and verify ADC sampling-to-PWM-update latency against your switching frequency; extended-temperature designs should also account for Flash endurance and retention derating above 105C. This page adds value beyond the datasheet with drop-in alternative cross-references, distributor pricing tiers as of 2026-09-27, and practical digital-power design notes compiled for engineers and buyers.

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DSPIC33FJ64GS606-I/MR

DSPIC33FJ64GS606-I/MR - 16-bit DSC 40MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33FJ64GS606-I/MR is a 16-bit digital signal controller (DSC) delivering up to 40 MIPS at 40 MHz with 64 KB of flash program memory and 9216 words of RAM, housed in a lead-free plastic QFN-44 package measuring 8 x 8 mm. A digital signal controller combines the compute throughput of a digital signal processor (DSP) with the peripheral integration and deterministic control of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33FJ GS family sits at the top: microcontroller -> digital signal controller -> digital power controller. The GS subfamily is purpose-built for switch-mode power supply (SMPS) control, where deterministic interrupt latency and specialized analog peripherals matter more than general-purpose I/O volume. Key features include a high-speed PWM module purpose-designed for multi-loop power conversion, a high-speed ADC for current- and voltage-loop sampling, and integrated analog comparators that offload cycle-by-cycle current limiting from software. The device provides 8 timers, 4 DMA channels, and 2 serial I/O ports, with in-circuit (ICSP) and in-application programming plus IEEE 1149.2-compatible JTAG boundary scan for production programming and board-level test. Architecturally, the CMOS 16-bit core executes DSP-class multiply-accumulate instructions for control-law computation (PID, 3P3Z compensators), supporting multiple internal bus architectures that keep instruction fetch, data access, and DMA transfers from contending. Supply voltage is 3 V to 3.6 V, and the -I temperature grade covers -40C to +85C for industrial environments. Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), and multi-loop digital SMPS designs. Microchip provides an interleaved PFC reference design specifically for this SMPS dsPIC family. Design consideration: the QFN package exposes its ground pad beneath the die; a solid VSS grid and thermal via array under the package are essential for signal integrity in high dv/dt power environments. This page synthesizes verified distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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