dsPIC33EPXXGS70X/80X 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
The dsPIC33EPXXGS70X/80X family has many features that help simplify functional safety certifications for ASIL-B and ASIL-C focused applications including:• Functional Safety Manual and FMEDA available under NDA upon request to your sales office• MPLAB XC Compiler Functional Safety Manual available with registration • Learn more about our functional safety capabilities including hardware, software, and supporting collateral
Feature
- 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 MIPS
- Flash Architecture
- Dual Partition Flash Program Memory with Live Update
- Supports programming while operating
- Supports partition soft swap
- Core: 16-Bit dsPIC33E CPU
- Two 40-Bit Wide Accumulators
- Code-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
- Four Additional Working Register Sets (reduces context switching)
- High-Speed PWM
- Individual Time Base and Duty Cycle for each PWM
- 1.04 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 Lighting
- Advanced Analog Features
- High-Speed ADC module
- 12-bit with 4 dedicated SAR ADC cores and one shared SAR ADC core
- Configurable resolution (up to 12-bit) for each ADC core
- Up to 3.25 Msps conversion rate per channel at 12-bit resolution
- 11 to 22 single-ended inputs
- Dedicated result buffer for each analog channel
- Flexible and independent ADC trigger sources
- Two digital comparators
- Two oversampling filters for increased resolution
- Four Rail-to-Rail Comparators with Hysteresis
- Dedicated 12-bit Digital-to-Analog Converter (DAC) for each analog comparator
- Up to two DAC reference outputs
- Up to two external reference inputs
- Two Programmable Gain Amplifiers
- Single-ended or independent ground reference
- Five selectable gains (4x, 8x, 16x, 32x and 64x)
- 40 MHz gain bandwidth
- Interconnected SMPS Peripherals
- Reduces CPU Interaction to Improve Performance
- Flexible PWM Trigger Options for ADC Conversions
- High-Speed Comparator Truncates PWM (15 ns typical)
- Supports Cycle-by-Cycle Current mode control
- Current Reset mode (variable frequency)
- Timers/Output Compare/Input Capture
- 16-Bit and up to two 32-Bit Timers/Counters
- Output Compare (OC) modules, Configurable as Timers/Counters
- Input Capture (IC) modules
- Functional Safety support (ISO26262)
- ASIL-B & ASIL-C focused applications
- FMEDA and Safety manual available under NDA upon request to your sales office
- Safety qualified XC16 compiler
- Functional Safety hardware features
- Multiple redundant clock sources
- IO ports read-back
- Analog peripherals redundancies
- Windowed Watchdog Timer
- Hardware traps
- SFR locks
- Write protection
