DSPIC33FJ16GS402-E/SP - 40 MIPS 16KB Flash SMPS DSC | Microchip
料号： DSPIC33FJ16GS402-E/SP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.85 | $6.85 |
| 10 | $6.18 | $61.80 |
| 100 | $5.5 | $550.00 |
| 500 | $4.92 | $2,460.00 |
| 1,000 | $4.4 | $4,400.00 |
DSPIC33FJ16GS402-E/SP 概述
A Digital Signal Controller is a hybrid architecture that combines the deterministic interrupt latency and peripheral set of a microcontroller with the high-throughput DSP engine required for closed-loop control algorithms. The dsPIC33F family specifically integrates high-speed PWM modules, high-speed ADCs, and analog comparators that are essential for multi-loop digital power topologies. Compared with a general-purpose MCU, a DSC such as the dsPIC33FJ16GS402 can execute a digital compensator plus housekeeping tasks within a single switching cycle at multi-hundred-kHz PWM frequencies.
Key features of the DSPIC33FJ16GS402 include up to four 16-bit PWM outputs with a dedicated PWM time base, a 10-bit ADC with conversion rates up to 4 Msps, four on-chip analog comparators with 4 ns typical propagation delay, and communication peripherals including I2C, SPI, and UART. The integrated analog comparator outputs can directly trigger the PWM module for hardware-level cycle-by-cycle current limiting, which simplifies firmware and reduces protection latency in PFC, full-bridge, and synchronous buck designs. The device operates from 3.0 V to 3.6 V.
Typical applications include AC-DC and DC-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), digital welding, induction cooking, and high-density quarter-brick intermediate bus converters. The "-E" suffix denotes the extended industrial temperature range of -40C to +125C, and "/SP" indicates the 28-pin SPDIP package, suited for prototyping and industrial-grade designs that require through-hole mounting.
When designing with this device, allocate the high-speed PWM and analog comparator pins early in the PCB layout to avoid routing detours that introduce propagation delay skew. Use the ICSP interface (PGECx/PGEDx pairs) for in-circuit programming and debugging, and verify the PGEC/PGED pin pair selection matches the chosen debugger configuration before PCB fabrication.
直接替换替代料： DSPIC33FJ16GS402-E/SP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33FJ16GS402-E/SP （相同外形与封装尺寸） ——差异在于 ADC, Analog Comparators, Mounting Type, Package, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ16GS402-I/SP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33FJ16GS402-50E/SP
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ16GS402-50I/SP
✅ 直接替换✓ 有现货
$2.85 / 个
查看数据手册 →DSPIC33FJ16GS404-E/SP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33FJ16GS402-E/SP 最大额定值与电气特性
| Core Architecture | dsPIC33F 16-bit DSC |
| Maximum CPU Speed | 40 MIPS (at 80 MHz system clock) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data Memory (RAM) | 2 KB |
| 封装 | 28-pin SPDIP (0.300 inch, 7.62 mm) |
| Operating Voltage | 3.0 V to 3.6 V |
| 工作温度范围 | -40C to +125C (E suffix, extended) |
| PWM Outputs | Up to 4x 16-bit PWM channels |
| PWM Resolution | 16-bit |
| ADC | 10-bit, up to 4 Msps conversion rate |
| Analog Comparators | 4 on-chip comparators |
| Communication Peripherals | I2C, SPI, UART |
| I/O Pins | 21 (typical for 28-pin SPDIP variant) |
| 安装类型 | Through-Hole (SPDIP) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
DSPIC33FJ16GS402-E/SP 引脚配置
| 引脚 1 | MCLR — Master Clear (reset) input, drive low to reset device |
| 引脚 2 | RP0/PWM1L — Remappable I/O / PWM1 Low output |
| 引脚 3 | RP1/PWM1H — Remappable I/O / PWM1 High output |
| 引脚 4 | RP2/PWM2L — Remappable I/O / PWM2 Low output |
| 引脚 5 | RP3/PWM2H — Remappable I/O / PWM2 High output |
| 引脚 6 | VDD — Digital supply voltage (3.0 V to 3.6 V) |
| 引脚 7 | VSS — Digital ground |
| 引脚 8 | OSC1/CLKI — Crystal oscillator input or external clock input |
| 引脚 9 | OSC2/CLKO — Crystal oscillator output or clock output |
| 引脚 10 | RP4/PWM3L — Remappable I/O / PWM3 Low output |
| 引脚 11 | RP5/PWM3H — Remappable I/O / PWM3 High output |
| 引脚 12 | RP6/IC1 — Remappable I/O / Input Capture 1 |
| 引脚 13 | RP7/IC2 — Remappable I/O / Input Capture 2 |
| 引脚 14 | RP8/OC1 — Remappable I/O / Output Compare 1 |
| 引脚 15 | RP9/OC2 — Remappable I/O / Output Compare 2 |
| 引脚 16 | RP10/AN0/C1IN+ — Remappable I/O / ADC analog input 0 / Comparator 1 non-inverting input |
| 引脚 17 | RP11/AN1/C1IN- — Remappable I/O / ADC analog input 1 / Comparator 1 inverting input |
| 引脚 18 | RP12/AN2/C2IN+ — Remappable I/O / ADC analog input 2 / Comparator 2 non-inverting input |
| 引脚 19 | RP13/AN3/C2IN- — Remappable I/O / ADC analog input 3 / Comparator 2 inverting input |
| 引脚 20 | RP14/AN4/C3IN+ — Remappable I/O / ADC analog input 4 / Comparator 3 non-inverting input |
| 引脚 21 | VDD — Digital supply voltage (3.0 V to 3.6 V) |
| 引脚 22 | VSS — Digital ground |
| 引脚 23 | PGEC1 — ICSP programming clock (pair 1) |
| 引脚 24 | PGED1 — ICSP programming data (pair 1) |
| 引脚 25 | RP15/AN5/C3IN-/C4IN+ — Remappable I/O / ADC analog input 5 / Comparator 3/4 input |
| 引脚 26 | RP16/AN6/C4IN- — Remappable I/O / ADC analog input 6 / Comparator 4 inverting input |
| 引脚 27 | PGEC2 — ICSP programming clock (pair 2) |
| 引脚 28 | PGED2 — ICSP programming data (pair 2) |
典型应用
DSPIC33FJ16GS402-E/SP 适用于 6 应用s: AC-DC PFC (Power Factor Correction) Converter, Digital DC-DC Converter (Buck / Boost / Full-Bridge), Uninterruptible Power Supply (UPS) Inverter Control, Induction Cooking / Resonant Heating, Digital Welding Power Source, Quarter-Brick Intermediate Bus Converter (IBA).
AC-DC PFC (Power Factor Correction) Converter
The DSPIC33FJ16GS402-E/SP's 40 MIPS core, four 16-bit PWM outputs, 10-bit 4 Msps ADC, and four analog comparators with hardware PWM-trigger make it well suited for boost-PFC stages. The on-chip comparators enable cycle-by-cycle current limiting at PWM rates up to ~1 MHz, while the dedicated ADC samples input voltage and inductor current synchronously with PWM. Compared with discrete analog PFC controllers, this DSC implements average-current-mode control firmware in firmware, eliminating trimming and enabling adaptive THD optimization. Use the device between 3.3 V auxiliary rail and the PFC gate-driver stage to drive the boost switch.
推荐
Digital DC-DC Converter (Buck / Boost / Full-Bridge)
In a digital DC-DC converter, the DSPIC33FJ16GS402-E/SP runs the voltage-mode or current-mode compensator at a switching frequency of 100 kHz to 500 kHz. The 25 ns instruction cycle allows a multi-pole PID compensator plus housekeeping to fit inside one PWM period. The hardware comparator-to-PWM trigger implements OCP and OVP with sub-microsecond latency, complementing firmware-based slow-loop protection. Place the device near the high-side gate-driver, route the inductor current-sense signal directly to a comparator input, and use the dedicated ADC channel for output voltage feedback.
推荐
Uninterruptible Power Supply (UPS) Inverter Control
Online UPS systems require a digital signal controller for sine-wave SPWM generation, dead-time insertion, and grid-sync PLL. The DSPIC33FJ16GS402-E/SP delivers 40 MIPS for a real-time sine lookup plus proportional-resonant compensator that drives an H-bridge inverter at 20 kHz. The 16 KB Flash holds the SPWM table, PLL state machine, and fault handling firmware. Its four analog comparators provide fast over-current and bus-voltage protection. Use the I2C/SPI/UART peripherals for battery management communication and front-panel status reporting.
推荐
Induction Cooking / Resonant Heating
Resonant heating topologies (class-D, LLC, ZVS) demand precise zero-voltage-switching detection with sub-microsecond response. The four on-chip analog comparators of the DSPIC33FJ16GS402-E/SP monitor resonant tank current and voltage, triggering PWM updates at the zero-crossing event. The 40 MIPS core implements adaptive frequency tracking algorithms that follow the resonant point as the load changes. Use the device between 3.3 V aux supply and the IGBT gate driver, routing resonant signals via short PCB traces to minimize comparator input capacitance.
推荐
Digital Welding Power Source
Inverter-based welding machines use a DSC to control arc current and voltage in real time, executing arc-stability and stick-out compensators. The DSPIC33FJ16GS402-E/SP's 16 KB Flash fits the welding waveform library, arc-force algorithms, and front-panel state machine. The four comparators provide hardware over-current protection for the IGBT bridge at welding currents up to several hundred amps. The extended temperature range (-40C to +125C) supports the harsh environment of a welding power supply cabinet. Use the UART to interface with the welding torch control module.
推荐
Quarter-Brick Intermediate Bus Converter (IBA)
High-density quarter-brick DC-DC converters for intermediate bus architectures benefit from the DSPIC33FJ16GS402-E/SP's digital control loop and telemetry capability. The device implements peak-current-mode control with adaptive slope compensation, monitoring input voltage, output current, and temperature via the ADC. The 2 KB RAM supports a digital filter for noise-immune current sensing. The SPI peripheral provides PMBus-compatible telemetry for system-level monitoring, while the ICSP interface enables in-field firmware updates via the ICSP PGECx/PGEDx pins.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ16GS402-E/SP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33FJ16GS402-I/SP | DSPIC33FJ16GS402-50E/SP | DSPIC33FJ16GS402-50I/SP | DSPIC33FJ16GS404-E/SP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (0.300 inch) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) |
| Maximum CPU Speed | 40 MIPS | 40 MIPS | 50 MIPS | 50 MIPS | 40 MIPS |
| Program Memory (Flash) | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB |
| Data Memory (RAM) | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| PWM Channels | 4x 16-bit PWM | 4x 16-bit PWM | 4x 16-bit PWM | 4x 16-bit PWM | 4x 16-bit PWM |
| Analog Comparators | 4 on-chip | 4 on-chip | 4 on-chip | 4 on-chip | 4 on-chip |
关键差异点
- Higher temperature grade (Extended -40C to +125C) （对比 DSPIC33FJ16GS402-I/SP)
- Standard speed grade (40 MIPS) instead of 50 MIPS （对比 DSPIC33FJ16GS402-50E/SP)
- 16 KB Flash / 2 KB RAM, sufficient for single-loop SMPS （对比 DSPIC33FJ16GS404-E/SP)
- Through-hole SPDIP package for prototyping （对比 DSPIC33FJ16GS402-I/MM)
设计说明
Power the DSPIC33FJ16GS402-E/SP from a regulated 3.0 V to 3.6 V supply and place both VDD/VSS pin pairs (pin 6/7 and pin 21/22) with local 100 nF + 10 uF decoupling within 5 mm of each VDD pin. The high-speed PWM switching transients couple through the supply; inadequate decoupling causes PWM jitter and ADC noise. The device's core draws <30 mA at 40 MIPS plus ~10 mA I/O, so budget a 100 mA LDO on the 3.3 V aux rail. Verify the analog AVSS/AVDD pair shares a clean ground return with the high-speed ADC inputs.
Route the analog comparator inputs (C1IN+/-, C2IN+/-, C3IN+/-, C4IN-) and the high-speed ADC analog inputs (AN0-AN6) on the inner PCB layer with a guarded ground trace to minimize stray capacitance and noise pickup. Keep these traces under 30 mm if possible, and place the current-sense filter network within 5 mm of the comparator input pin. The PWM output traces to gate drivers should be kept short (<25 mm) and matched in length to minimize propagation skew between PWM1L/PWM1H pairs that drive a half-bridge.
Do not exceed 3.6 V on any VDD pin - the device is not 5 V tolerant. The MCLR pin (pin 1) requires a 10 kohm pull-up to VDD; without it, the device may enter unintended reset states. Ensure the ICSP PGECx/PGEDx pair chosen in firmware (PGEC1/PGED1 vs PGEC2/PGED2) matches the physical debugger wiring - mismatching the pair prevents programming. The 16 KB Flash is single-voltage programmable; ensure VDD is stable before initiating any erase/write cycle to avoid code corruption.
Separate the analog ground (AGND) island containing the comparator input filter networks and ADC bypass caps from the digital ground (DGND) plane carrying PWM and ICSP return currents. Tie AGND and DGND together at a single point under the MCU's VSS pin to avoid ground-loop noise coupling into the comparator inputs. The four analog comparators can be triggered by PWM events with sub-100 ns latency; poor grounding reduces this to several hundred ns and degrades cycle-by-cycle current-limit performance.
合规信息
RoHS compliant per Microchip product page. The -E suffix denotes extended temperature grade (-40C to +125C) but does NOT indicate AEC-Q100 automotive qualification - this part is not AEC-Q100 qualified per available distributor listings.
