Microchip dsPIC33 | Demoboard 300W buck

Description

dsPIC33EPXXGS202 is a SMPS & Digital Power Conversion Digital Signal Controller. These devices offer features supporting common, multi-loop digital switch-mode power supplies (SMPS) and other digital power-conversion applications such as: • AC to DC Converters • DC to DC Converters • Power Factor Correction (PFC) • Uninterruptible power supply (UPS) • Inverters • Embedded Power-Supply Controllers • Arc Fault Detection

Features

Operating Conditions 3.0V to 3.6V, -40°C to +85°C, DC to 70 MIPS
3.0V to 3.6V, -40°C to +125°C, DC to 60 MIPSFlash Architecture 16 Kbytes Kbytes of Program FlashCore: 16-Bit dsPIC33E CPU Two 40-Bit Wide AccumulatorsCode-Efficient (C and Assembly) Architecture
Single-Cycle (MAC/MPY) with Dual Data Fetch
Single-Cycle Mixed-Sign MUL Plus Hardware Divide
32-Bit Multiply Support
Two Additional Working Register Sets (reduces context switching)High-Speed PWM Individual Time Base and Duty Cycle for each PW1.04 ns PWM Resolution (frequency, duty cycle, dead time and phase)

• Supports Center-Aligned, Redundant, Complementary and True Independent Output modes
• Independent Fault and Current-Limit Inputs
• Output Override Control
• PWM Support for AC/DC, DC/DC, Inverters, PFC and LightingAdvanced Analog Features High-Speed ADC module12-bit with 2 dedicated SAR ADC cores and one shared SAR ADC coreConfigurable resolution (up to 12-bit) for each ADC coreUp to 3.25 Msps conversion rate per channel at 12-bit resolution12 single-ended inputsDedicated result buffer for each analog channelFlexible and independent ADC trigger sourcesTwo digital comparatorsTwo oversampling filters for increased resolution
  ADC with Early Interrupt feature.
  Rail-to-Rail Comparators with Hysteresis: Dedicated 12-bit Digital-to-Analog Converter (DAC) for each analog comparatorExternal reference inputs
  Two Programmable Gain Amplifiers: Single-ended or independent ground reference Five selectable gains (4x, 8x, 16x, 32x and 64x)40 MHz gain bandwidthInterconnected SMPS Peripherals Reduces CPU Interaction to Improve PerformanceFlexible PWM Trigger Options for ADC ConversionsHigh-Speed Comparator Truncates PWM (15 ns typical): Supports Cycle-by-Cycle Current mode controlCurrent Reset mode (variable frequency)Timers/Output Compare/Input Capture 16-Bit and up to Two 32-Bit Timers/CountersOutput Compare (OC) module, Configurable as Timer/CounterInput Capture (IC) module

More information

• IC product information