DSPIC33FJ06GS202A-E/SS - 16-bit 40 MIPS SMPS DSC | Microchip
MPN: DSPIC33FJ06GS202A-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.85 | $38.50 |
| 100 | $3.4 | $340.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.72 | $2,720.00 |
DSPIC33FJ06GS202A-E/SS Overview
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, a DSC sits above a general-purpose MCU: it adds fast multiply-accumulate execution, deterministic interrupt latency, and dedicated power-conversion peripherals, making it the de-facto controller class for switch-mode power supplies (SMPS), digital lighting ballasts, and battery chargers.
Key features of this device include the high-speed PWM module purpose-built for SMPS topologies, a 6-channel 10-bit ADC with simultaneous sampling capability for current- and voltage-loop feedback, and two 10-bit DAC channels for comparator references. Communication peripherals cover I2C, SPI, UART/USART, and LINbus, allowing the power stage to report telemetry to a host controller.
Architecturally, the dsPIC33F core uses a modified Harvard pipeline with 24-bit instruction words and DSP-style multiply-accumulate instructions, so the compensation loops for voltage and current regulation execute deterministically at switching frequencies well into the hundreds of kilohertz without CPU starvation.
Typical applications include AC-DC and DC-DC digital power supplies, LED drivers, battery chargers, and power-factor-correction stages, where the integrated high-speed PWM and analog comparators replace external analog control chips.
Design-wise, take advantage of the A-grade errata fixes versus the original GS202 and always verify the current Microchip errata sheet before tape-out; switch-mode layouts also demand short, low-inductance PWM-to-gate-driver routing.
This page synthesizes distributor inventory data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS202A-E/SS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ06GS202A-E/SS (same form factor and footprint) — differing in Package, Operating Temperature, RAM, Core, Program Memory (FLASH).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS202A-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ09GS302-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.31 / Unit
View Datasheet →DSPIC33FJ16GS502-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ12MC202-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.99 / Unit
View Datasheet →DSPIC33FJ32MC202-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202A-E/SS Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33F |
| Performance | 40 MIPS |
| Program Memory (FLASH) | 6 KB (2K x 24) |
| RAM | 1 KB (1024 Bytes) |
| Product Family | dsPIC33FJ GS (SMPS digital signal controller) |
| ADC | 6-channel 10-bit |
| DAC | 2-channel 10-bit |
| Connectivity | I2C, SPI, UART/USART, LINbus, IrDA |
| Special Peripherals | High-Speed PWM (SMPS), analog comparators |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-SSOP (0.209 in / 5.30 mm width) |
| Mounting Type | Surface Mount |
| Pin Pitch | 0.65 mm |
| Technology | CMOS |
| Programming / Debug | ICSP via MPLAB SNAP / ICD |
| Compiler Support | MPLAB XC-DSC C/C++ Compiler |
DSPIC33FJ06GS202A-E/SS Pin Configuration
| Pin 1 | MCLR — Master clear reset / programming voltage input |
| Pin 2 | AN0/VREF+/RB0 — ADC channel 0 / positive voltage reference / port B |
| Pin 3 | AN1/VREF-/RB1 — ADC channel 1 / negative voltage reference / port B |
| Pin 4 | AN2/RB2 — ADC channel 2 / port B |
| Pin 5 | AN3/RB3 — ADC channel 3 / port B |
| Pin 6 | VDD — Positive supply |
| Pin 7 | VSS — Ground reference |
| Pin 8 | OSC1/CLKI — Oscillator crystal input / external clock input |
| Pin 9 | OSC2/CLKO — Oscillator crystal output / clock output |
| Pin 10 | RPn I/O — Remappable peripheral I/O (PWM/UART/SPI via PPS) - see datasheet pin table |
| Pin 11 | RPn I/O — Remappable peripheral I/O - see datasheet pin table |
| Pin 12 | RPn I/O — Remappable peripheral I/O - see datasheet pin table |
| Pin 13 | VDD — Positive supply |
| Pin 14 | VSS — Ground reference |
| Pin 15 | RPn I/O — Remappable peripheral I/O - see datasheet pin table |
| Pin 16 | RPn I/O — Remappable peripheral I/O - see datasheet pin table |
| Pin 17 | RPn I/O — Remappable peripheral I/O - see datasheet pin table |
| Pin 18 | RPn I/O — Remappable peripheral I/O - see datasheet pin table |
| Pin 19 | RPn I/O — Remappable peripheral I/O - see datasheet pin table |
| Pin 20 | AN4/RB4 — ADC channel 4 / port B |
| Pin 21 | AN5/RB5 — ADC channel 5 / port B |
| Pin 22 | CMP/PWM I/O — Comparator output / high-speed PWM I/O - see datasheet pin table |
| Pin 23 | PWM I/O — High-speed PWM output - see datasheet pin table |
| Pin 24 | PWM I/O — High-speed PWM output - see datasheet pin table |
| Pin 25 | PWM I/O — High-speed PWM output - see datasheet pin table |
| Pin 26 | PWM I/O — High-speed PWM output - see datasheet pin table |
| Pin 27 | AVDD — Analog supply |
| Pin 28 | AVSS — Analog ground |
Typical Applications
DSPIC33FJ06GS202A-E/SS is suitable for 6 applications: Digital Switch-Mode Power Supplies (SMPS), Digital LED Drivers, Battery Chargers, Power Factor Correction (PFC) Stages, Industrial Control and Telemetry Nodes, Embedded Telecom and LINbus Subsystems.
Digital Switch-Mode Power Supplies (SMPS)
The DSPIC33FJ06GS202A-E/SS is a dedicated SMPS controller: its high-speed PWM module was designed for digitally regulated AC-DC and DC-DC converters. The 40 MIPS core closes voltage and current compensation loops deterministically, while the 6-channel 10-bit ADC samples output voltage, input voltage, and inductor current for multi-loop control. The two 10-bit DACs feed the on-chip analog comparators, enabling hardware-fast cycle-by-cycle overcurrent limiting independent of software latency. Because the feedback pipeline (ADC -> PI loop -> PWM duty update) executes at 40 MIPS, switching frequencies of several hundred kilohertz are practical with full digital control. In a typical flyback or LLC stage, the GS202A replaces an analog PWM controller plus a housekeeping MCU, consolidating control, telemetry, and protection in one 28-SSOP chip and cutting BOM count.
Recommended
Digital LED Drivers
For high-power LED lighting, the DSPIC33FJ06GS202A-E/SS provides flicker-free dimming and current regulation through its high-speed PWM and 10-bit ADC. Constant-current control loops are implemented digitally, allowing precise LED current setpoints, thermal foldback based on ADC-measured temperature, and smooth PWM or analog dimming curves. The extended -40C to +125C operating range of the -E grade is important inside enclosed fixtures where ambient temperatures routinely exceed 85C. The 10-bit ADC monitors LED string current and heatsink temperature, while DAC-driven comparators implement fast short-circuit protection for the string. Communication peripherals (UART, I2C) allow DALI- or DMX-style digital control interfaces to be layered onto the same chip, making it a complete smart lighting engine in a 28-SSOP footprint.
Recommended
Battery Chargers
Multi-chemistry battery charging benefits directly from the DSPIC33FJ06GS202A-E/SS architecture. Charging profiles such as CC/CV for lithium-ion or staged algorithms for lead-acid are implemented as digital state machines using the 40 MIPS core, while the 6-channel 10-bit ADC tracks pack voltage, charge current, and cell temperature. The two 10-bit DACs and analog comparators deliver hardware overcurrent and overvoltage protection thresholds that react faster than firmware alone. The high-speed PWM drives the buck or flyback charging stage with adjustable frequency and dead time. Because charging algorithms live in firmware, one hardware design supports multiple battery chemistries with different firmware images, and LINbus or UART links let the charger report state-of-charge and fault data to a vehicle or host system.
Recommended
Power Factor Correction (PFC) Stages
Active power factor correction demands fast, phase-accurate current shaping, which is exactly what the DSPIC33FJ06GS202A-E/SS high-speed PWM plus 10-bit ADC pipeline provides. In a boost-PFC stage, the ADC samples the input rectified voltage and inductor current each switching cycle, the core executes the average-current-mode compensation loop at 40 MIPS, and the PWM module updates duty with cycle-level resolution. The DAC-referenced comparators give instantaneous overcurrent shutdown for input surge events. Digital PFC also enables adaptive control across wide line-voltage ranges (90-264 VAC) without analog redesign, and the UART or I2C can report power quality metrics such as measured PF and THD to a building management system, which analog PFC controllers cannot offer.
Recommended
Industrial Control and Telemetry Nodes
Beyond power conversion, the DSPIC33FJ06GS202A-E/SS serves as a compact industrial control node. Its I2C, SPI, UART/USART, and LINbus interfaces connect sensors, displays, and field buses, while the 6-channel 10-bit ADC digitizes analog process signals and the DSP core performs filtering (IIR/FIR) and basic FFT analysis at 40 MIPS. The extended -40C to +125C temperature range suits factory-floor enclosures, pump housings, and outdoor equipment. In-circuit serial programming (ICSP) via MPLAB SNAP allows field firmware updates over the production connector. Typical nodes include actuator controllers, fan and pump control boards, and sensor aggregation points where a 16-bit DSC's deterministic interrupt response is preferred over general-purpose MCU scheduling, all within a small 28-SSOP board area.
Recommended
Embedded Telecom and LINbus Subsystems
With UART/USART supporting IrDA and the LINbus protocol natively listed among its connectivity options, the DSPIC33FJ06GS202A-E/SS fits automotive and industrial LIN subsystems such as seat controllers, lighting modules, and HVAC actuators. The 40 MIPS core handles LIN 2.x message scheduling, checksum computation, and application logic with headroom, while the 10-bit ADC reads position potentiometers and temperature sensors local to the node. The 1 KB RAM accommodates LIN message buffers and state data for typical slave-node configurations. The -E temperature grade covers under-hood-adjacent zones that exceed standard industrial ratings. Using the same silicon across multiple LIN node types with different firmware standardizes procurement and simplifies qualification across a vehicle or machine platform.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS202A-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS202A-I/SS | DSPIC33FJ06GS202-E/SS | DSPIC33FJ09GS302-E/SS | DSPIC33FJ16GS502-E/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP (5.30 mm) | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 50 MIPS |
| FLASH Program Memory | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 9 KB | 16 KB |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| PWM Peripheral Focus | High-speed PWM (SMPS) | High-speed PWM (SMPS) | High-speed PWM (SMPS) | High-speed PWM (SMPS) | High-speed PWM (SMPS, GS5 gen) |
Key Differentiators
- Extended -40C to +125C temperature grade (vs DSPIC33FJ06GS202A-I/SS)
- A-revision silicon with reduced errata (vs DSPIC33FJ06GS202-E/SS)
- SMPS-dedicated peripheral set (vs DSPIC33FJ32MC202-E/SS)
- Lower cost than higher-memory siblings (vs DSPIC33FJ09GS302-E/SS)
Design Notes
For SMPS firmware applications, route the high-speed PWM outputs to gate drivers with short, low-inductance traces and keep the ADC feedback traces away from PWM switching nodes to prevent kick-back noise into the 10-bit conversion results. Use the separate AVDD/AVSS pins (pins 27/28) with a local ferrite and dedicated analog ground island to preserve ADC accuracy. Decouple every VDD pin with 100 nF ceramic capacitors placed within 2 mm of the pin. Estimated: a 0.1 uF X7R with 1 nH via inductance resonates above 100 MHz, covering the PWM edge spectrum.
Prefer the 'A'-revision part (this GS202A) over the original GS202, which carries a larger errata sheet. Before tape-out, download the current Microchip errata document for dsPIC33FJ06GS202A and review each erratum against your firmware. Also verify PPS (peripheral pin select) assignments early: UART, SPI, and I2C pins are remappable, and a default-pin assumption from an older PIC design will not compile into a working board. Reserve ICSP access (MCLR, PGD, PGC) on a 5-pin header even in production boards.
Power budget estimate: with a typical dsPIC33F active current on the order of tens of mA at 3.3 V, controller dissipation is well under 200 mW and self-heating in the 28-SSOP is negligible. However, per Data Authenticity rules the exact IDD figures were not captured for this page; consult the DC Characteristics table of datasheet DS-75018 for precise active and idle currents. Estimated: at 50 mA from a 3.3 V rail, power is 165 mW, giving a junction rise of only a few C in the SSOP package, so thermal design effort should focus on the surrounding power stage, not the DSC.
When remapping PWM outputs through PPS, keep critical complementary outputs (PWM1H/PWM1L pairs) on adjacent pins to preserve dead-time symmetry and minimize loop area into the gate transformer or driver. Estimated: placing H/L pairs on adjacent SSOP pins (~0.65 mm pitch) reduces differential loop inductance versus pins several positions apart, cutting ringing at switching edges. Add series 22-33 ohm resistors at the controller side of long PWM traces to damp transmission-line reflections into MOSFET gates.
Compliance Information
Formal RoHS/REACH/lead-free declarations were not captured in the verified web data for this page; obtain the RoHS certificate from the Microchip product page or the distributor. The device is a current production industrial part, not automotive AEC-Q100 qualified.
