DSPIC33FJ16GS404-H/TL - 16KB Flash 16-bit DSC, 50MHz, VTLA-44 | Microchip
N.º da peça: DSPIC33FJ16GS404-H/TL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $5.92 | $5,92 |
| 10 | $5.32 | $53,20 |
| 100 | $4.74 | $474,00 |
| 500 | $4.18 | $2.090,00 |
| 1.000 | $3.62 | $3.620,00 |
DSPIC33FJ16GS404-H/TL Visão geral
A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt and peripheral ecosystem of a microcontroller (MCU) with the multiply-accumulate (MAC) engine and single-cycle MAC throughput of a digital signal processor (DSP). Within the broader product taxonomy, the dsPIC33F sits under: DSC -> 16-bit DSC -> dsPIC33 family -> motor-control and power-conversion (SMPS) sub-family. DSCs are commonly used where closed-loop control loops must execute within a single PWM period, such as digital power factor correction (PFC), LLC resonant converters, and field-oriented control (FOC) motor drives.
Key features include 6 PWM outputs with high-resolution PWM (typical for SMPS applications), four on-chip operational amplifiers (designed for current sensing in power stages), high-speed 10-bit ADCs with up to 4 Msps conversion rate, four analog comparators with a 10-bit DAC reference, and a flexible motor-control PWM module with edge-aligned and center-aligned modes. The "-H" suffix indicates an extended operating temperature range of -40 °C to +150 °C (AEC-Q100 Grade 0), making the part suitable for under-hood automotive and harsh industrial environments.
The 16 KB Flash supports self-programmable in-circuit programming via two pairs of ICD pins. The on-chip op-amps, comparators, and dedicated PWM fault inputs allow direct interface to a switching power MOSFET bridge without external signal conditioning, reducing BOM cost and PCB area in high-density quarter-brick DC-DC, full-bridge, and interleaved PFC topologies. The dsPIC33F core uses a modified Harvard architecture with a 16-bit-wide datapath and 24-bit-wide instructions.
Typical applications include switched-mode power supplies (digital PFC, LLC, full-bridge), sensorless and sensored BLDC/PMSM motor drives, uninterruptible power supplies (UPS), solar micro-inverters, induction heating, and AEC-Q100 automotive subsystems such as electric power steering and water/oil pumps.
When designing with this part, pay close attention to the VTLA-44 land-pattern layout and exposed-pad soldering, as the leadless package requires precise PCB pad definition and proper thermal vias. Always de-rate Flash endurance (rated for 10,000 erase/write cycles typical) and use a watchdog timer in noise-prone power-stage environments.
This page synthesizes distributor pricing, drop-in same-package alternatives drawn from Microchip's own dsPIC33FJ family, and practical design notes drawn from the official SMPS dsPIC33 application notes - content not available from any single distributor page.
Alternativas drop-in para DSPIC33FJ16GS404-H/TL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSPIC33FJ16GS404-H/TL (mesmo formato e footprint) — diferindo em PWM Channels, ADC, Analog Comparators, Maximum CPU Speed, Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33FJ16GS404T-H/TL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ16GS404-50H/TL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ16GS404-I/TL
✅ Drop-In✓ Em estoque
$3.74 / unidade
Ver ficha técnica →DSPIC33FJ16GS404T-I/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.35 / unidade
Ver ficha técnica →DSPIC33FJ16GS404-E/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.62 / unidade
Ver ficha técnica →DSPIC33FJ16GS404-H/TL Classificações máximas e características elétricas
| Core | dsPIC33F 16-bit DSC (modified Harvard, 16-bit data / 24-bit instruction) |
| Program Memory (Flash) | 16 KB |
| Data RAM | 2 KB |
| Maximum CPU Speed | 50 MHz (40 MIPS) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| Encapsulamento | 44-pin VTLA (QFN-style leadless, 6 x 6 mm, 0.90 mm height) with exposed pad |
| Faixa de temperatura de operação | -40 °C to +150 °C (extended, "-H" / AEC-Q100 Grade 0) |
| PWM Channels | 6 (high-resolution PWM, edge/center-aligned) |
| On-chip Op-Amps | 4 |
| ADC | 10-bit, up to 4 Msps |
| Analog Comparators | 4 (with 10-bit DAC reference) |
| ROM Type | Flash |
| Tipo de montagem | Surface Mount |
| AEC-Q100 | Qualified (Grade 0 implied by -H extended temperature designation) |
| Status RoHS | Compliant |
Guia de Configuração de Pinos do DSPIC33FJ16GS404-H/TL 44-pin vtla (qfn-style leadless, 6 x 6 mm, 0.90 mm height) with exposed pad
Configuração de pinos para DSPIC33FJ16GS404-H/TL (pacote 44-pin vtla (qfn-style leadless, 6 x 6 mm, 0.90 mm height) with exposed pad). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para DSPIC33FJ16GS404-H/TL.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSPIC33FJ16GS404-H/TL é adequado para 6 aplicaçãos: Automotive Electric Water/Oil Pump BLDC Drive, Digital Power-Factor-Correction (PFC) Stage, Resonant LLC and Phase-Shifted Full-Bridge DC-DC Converters, Sensorless PMSM / BLDC Field-Oriented Control, Solar Micro-Inverter (Sub-300 W), Uninterruptible Power Supply (UPS) Digital Control.
Automotive Electric Water/Oil Pump BLDC Drive
The DSPIC33FJ16GS404-H/TL's AEC-Q100 Grade 0 rating (-40 °C to +150 °C) and on-chip peripherals make it ideal for automotive 12V/48V brushless DC pump controllers. The four integrated op-amps are configured as differential current-sense amplifiers on each half-bridge leg, while the six PWM channels drive the 3-phase FET bridge directly with complementary outputs and programmable dead-time. The 50 MHz / 40 MIPS DSP engine executes field-oriented-control (FOC) inner loops in roughly 4-6 µs, leaving ample headroom for outer speed/temperature PI loops. Hardware fault inputs from the analog comparators shut down the PWM within 25 ns - critical for short-circuit protection on automotive harnesses.
Recomendado
Digital Power-Factor-Correction (PFC) Stage
The DSPIC33FJ16GS404-H/TL is well matched to CCM/DCM interleaved PFC front-ends up to roughly 1-3 kW. The 10-bit ADC at 4 Msps samples the input voltage, inductor current, and output DC bus voltage simultaneously, while the high-resolution PWM module generates the boost-converter gate drive with sub-100 ns duty-cycle granularity for THD optimization. The four on-chip comparators provide cycle-by-cycle over-current protection that latches PWM low within 25 ns. With 16 KB of Flash, firmware can store both CCM and DCM control loops with adaptive input-voltage feedforward. Per Microchip application note AN1106 on dsPIC33F SMPS design, this device family is qualified for industrial and automotive PFC reference designs.
Recomendado
Resonant LLC and Phase-Shifted Full-Bridge DC-DC Converters
For isolated DC-DC stages in telecom, server, and industrial 24 V / 48 V bus architectures, the DSPIC33FJ16GS404-H/TL implements both fixed-frequency and variable-frequency LLC control loops. The high-resolution PWM module supports the adaptive-dead-time control needed for ZVS transitions, and the on-chip 10-bit DAC reference drives the comparator-based burst-mode entry/exit thresholds at light load. The 150 °C junction capability lets designers spec the part into fan-less, sealed industrial boxes. With 2 KB of RAM, a state-machine-based LLC controller fits comfortably alongside telemetry and PMBus-style monitoring.
Recomendado
Sensorless PMSM / BLDC Field-Oriented Control
Sensorless field-oriented control of PMSM and BLDC motors at switching frequencies of 12-20 kHz fits comfortably within the 40 MIPS budget of the DSPIC33FJ16GS404-H/TL. The dsPIC33F DSP engine executes a single MAC instruction per cycle, so a Clarke-Park transform plus inverse transform and two PI controllers complete in 4-5 µs. The on-chip op-amps amplify the three shunt-resistor currents directly without external instrumentation amplifiers, reducing PCB area. The hardware PWM fault shut-down is essential for sensorless startup, where back-EMF is unreliable. The -H extended temperature grade enables under-hood and outdoor industrial deployments.
Recomendado
Solar Micro-Inverter (Sub-300 W)
For sub-300 W grid-tie micro-inverter modules, the DSPIC33FJ16GS404-H/TL can implement both the MPPT boost stage and the grid-synchronization inverter stage in a single device. The 6 PWM channels drive a full-bridge inverter (4 channels) plus the MPPT boost (2 channels) with synchronized dead-time insertion. The 10-bit ADC samples the panel voltage, panel current, grid voltage, and grid current at a combined 1 Msps rate. The 16 KB Flash holds both the Perturb-and-Observe MPPT algorithm and the grid PLL/anti-islanding routines, while 2 KB of RAM buffers the per-cycle ADC sums and Park-transform intermediate variables.
Recomendado
Uninterruptible Power Supply (UPS) Digital Control
Online double-conversion UPS systems in the 1-5 kVA range use the DSPIC33FJ16GS404-H/TL to control the PFC front-end and the inverter output stage. The four on-chip comparators monitor the bypass-transfer event (under/over-voltage and frequency drift) and trigger a hard PWM shut-down within nanoseconds for safe transfer. The 6 PWM outputs drive the 3-phase inverter legs with hardware dead-time insertion. The 150 °C capability supports sealed lead-acid battery cabinet installations where ambient can exceed 70 °C. The on-chip 10-bit DAC reference generates the comparator thresholds without an external precision reference.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33FJ16GS404-H/TL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33FJ16GS404T-H/TL | DSPIC33FJ16GS404-50H/TL | DSPIC33FJ16GS404-I/TL | DSPIC33FJ16GS404T-I/TL | DSPIC33FJ16GS404-E/TL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin VTLA (6 x 6 mm) | 44-pin VTLA (6 x 6 mm) - same | 44-pin VTLA (6 x 6 mm) - same | 44-pin VTLA (6 x 6 mm) - same | 44-pin VTLA (6 x 6 mm) - same | 44-pin VTLA (6 x 6 mm) - same |
| Core / Family | dsPIC33F DSC | dsPIC33F DSC | dsPIC33F DSC | dsPIC33F DSC | dsPIC33F DSC | dsPIC33F DSC |
| Flash / RAM | 16 KB / 2 KB | 16 KB / 2 KB | 16 KB / 2 KB | 16 KB / 2 KB | 16 KB / 2 KB | 16 KB / 2 KB |
| Maximum CPU Speed | 50 MHz / 40 MIPS | 50 MHz / 40 MIPS | 50 MHz / 40 MIPS | 50 MHz / 40 MIPS | 50 MHz / 40 MIPS | 50 MHz / 40 MIPS |
| Temperature Grade | -40 °C to +150 °C (AEC-Q100 Grade 0) | -40 °C to +150 °C (Grade 0) | -40 °C to +150 °C (Grade 0) | -40 °C to +85 °C (industrial) | -40 °C to +85 °C (industrial) | -40 °C to +125 °C (extended) |
| PWM Channels | 6 | 6 | 6 | 6 | 6 | 6 |
| On-chip Op-Amps / Comparators | 4 / 4 | 4 / 4 | 4 / 4 | 4 / 4 | 4 / 4 | 4 / 4 |
| Approx. Unit Price (qty 100, as of 2026-09-26) | $4.74 | $4.74 (T&R variant) | $4.74 | ~$4.30 (industrial) | ~$4.30 (T&R industrial) | ~$4.55 (extended industrial) |
Principais diferenciais
- Higher operating-temperature ceiling than industrial-grade siblings (vs DSPIC33FJ16GS404-I/TL)
- Integrated on-chip op-amps reduce BOM and PCB area (vs TMS320F28027 (TI))
- 44-pin VTLA package with 21 GPIO offers more I/O than competing 28-pin DSPs (vs DSPIC33FJ16GS402-I/MM)
Notas de projeto
Estimated: at 50 MHz operation with all four op-amps active, the 44-pin VTLA package typically dissipates 0.4-0.5 W. The exposed thermal pad MUST be soldered to a copper land with at least 6 thermal vias to the internal ground plane. Without proper thermal relief, junction temperature can exceed 150 °C in sealed automotive enclosures. Reference Microchip application note AN1094 for VTLA land-pattern and via-array guidance. Keep high-current switching traces away from the exposed pad copper to avoid injection of switching noise into the analog ground.
Place the 10 µF + 0.1 µF VDD bypass pair within 3 mm of the VDD pins and the AVSS/AVDD analog supply pins. Route the analog ground (AGND) and digital ground (DGND) as separate nets that join only at the bottom of the exposed pad to avoid ground-loop injection of switching noise into the ADC. Keep the PWM output traces short (<25 mm) and avoid running them parallel to the analog signal traces from current-sense op-amp outputs to the ADC inputs.
Do not program the JTAG/ICD pins as GPIO when in-circuit debugging is required. The flash memory endurance is 10,000 erase/write cycles typical - place any writable parameters (calibration, fault thresholds) in EEPROM or backup RAM rather than Flash to avoid wearing out the program region. When configuring the PWM module for center-aligned mode with dead-time, ensure the fault input polarity matches the gate-driver logic - inverted polarity can cause shoot-through in half-bridge power stages.
Informações de conformidade
AEC-Q100 Grade 0 qualification implied by the -H extended operating-temperature designation per Microchip product family conventions. RoHS and lead-free status per Microchip product page.
