Microchip Technology, Inc. High-Speed PWM, ADC and Comparators en547030

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, Circuit Breakers, Arc Fault Detection Additional Features Operating Conditions 3.0V to 3.6V, -40ºC to +85ºC, DC to 50 MIPS 3.0V to 3.6V, -40ºC to +125ºC, DC to 40 MIPS Core: 16-Bit dsPIC33F Code-Efficient (C and Assembly) Architecture Two 40-Bit Wide Accumulators Single-Cycle (MAC/MPY) with Dual Data Fetch Single-Cycle Mixed-Sign MUL plus Hardware Divide 32-Bit Multiply Support Clock Management ±1% Internal Oscillator Programmable PLLs and Oscillator Clock Sources Fail-Safe Clock Monitor (FSCM) Independent Watchdog Timer (WDT) Fast Wake-up and Start-up Power Management Low-Power Management modes (Sleep, Idle, Doze) Integrated Power-on Reset and Brown-out Reset 1.7 mA/MHz Dynamic Current (typical) 50 µA IPD Current (typical) High-Speed PWM Up to 9 PWM Pairs with Independent Timing Dead Time for Rising and Falling Edges 1.04 ns PWM Resolution PWM Support for: DC/DC, AC/DC, Inverters, PFC, Lighting, BLDC, PMSM, ACIM, SRM Programmable Fault Inputs Flexible Trigger Configurations for ADC Conversions Advanced Analog Features High-Speed ADC module: 10-bit resolution with up to two Successive Approximation Register (SAR) converters (up to 4 Msps) Up to 24 input channels grouped into 12 conversion pairs plus two voltage reference monitoring inputs Dedicated result buffer for each analog channel Flexible and Independent ADC Trigger Sources Up to 4 High-Speed Comparators with Direct Connection to the PWM module 10-bit Digital-to-Analog Converter (DAC) for each comparator DAC reference output Programmable references with 1024 voltage points Timers/Output Compare/Input Capture Six General Purpose Timers: Five 16-bit and up to two 32-bit timers/counters Four Output Compare (OC) modules Configurable as Timers/Counters Quadrature Encoder Interface (QEI) module Configurable as Timer/Counter Four Input Capture (IC) modules Communication Interfaces Two UART modules (12.5 Mbps): With support for LIN/J2602 2.0 protocols and IrDA® Two 4-Wire SPI modules (15 Mbps) ECAN™ module (1 Mbaud) with ECAN 2.0B Support Two I2C™ modules (up to 1 Mbaud) with SMBus Support Direct Memory Access (DMA) 4-Channel DMA with User-Selectable Priority Arbitration UART, SPI, ECAN, IC, OC and Timers Input/Output Sink/Source 18 mA on 18 Pins, 10 mA on 1 Pin or 6 mA on 66 Pins 5V Tolerant Pins Selectable Open-Drain and Pull-ups 29 External Interrupts