Datasheet

www.microchip.com/power 9
Implementing advanced software digital control loops
for power applications requires a high-performance
DSP engine along with specialized peripherals. The
high-performance CPU and rich peripherals of the
dsPIC DSC devices enable solutions that do not require
much in the way of external support chips. In addition
to the space and cost-saving benefits found in the
dsPIC DSC solutions, special features enable advanced
power conversion.
The DSP engine can perform single-cycle MAC with
data saturation, zero overhead looping and barrel
shifting required to support fast control loop execution.
These devices include peripherals specifically designed
for power conversion. Peripherals such as a high-
speed PWM, ADC and analog comparators can be tied
together using an internal configurable control fabric
that enables them to interact directly with one another,
resulting in stunning performance gains in digital power
applications.
dsPIC® SMPS and Digital Power Conversion
and dsPIC® Motor Control and Power
Conversion Family
■
Large family of code- and pin-compatible Flash
devices
■
Up to 60 MIPS 16-bit CPU with compiler-efficient
architecture
■
Built-in DSP engine enables high-speed and precision
digital power control loops
■
Single supply voltage rails eliminate extra voltage
regulator circuits
■
Precision high-speed internal oscillator eliminates
external crystal
■
Comprehensive system integration features
PIC24F Microcontroller Family
The PIC24F product family is Microchip’s entry level
16-bit microcontroller, providing a path from the PIC18F
to extended performance, program memory and RAM.
The PIC24F can operate at speeds up to 16 MIPS
and has a hardware multiplier for fast calculation of
control algorithms. The PIC24F family offers devices
with multiple UART, SPI and I
2
C serial communication
channels for remote monitoring or control. The PIC24F
devices also include multiple Input Capture and Output
Compare/PWM, comparators and a high-speed 10-bit
ADC.
16-bit Solutions for Intelligent Power Supply Designs
Advanced On-chip Intelligent Power
Peripherals
Microchip’s 16-bit dsPIC DSCs provide on-chip
peripherals specifically designed for high-performance,
intelligent power supplies:
■
Power Supply PWM Module (High-speed PWM
Module)
– Up to 1 nanosecond resolution
– Highly configurable supporting all common
topologies
– High resolution at high PWM frequencies
– Trigger events from PWM to ADC
■
High-speed Analog-to-Digital Converter (ADC)
– 10-bit/12-bit resolution
– Up to 4 Msps
– Sophisticated triggering capabilities
■
High-speed analog comparator
– Up to four analog comparators
– Up to four integrated 10-bit DAC references
– Outputs can directly trigger PWM and ADC events
■
Additional channels of 16-bit timers, input capture,
output compare and standard PWM
■
Communication interfaces include UART, SPI, I
2
C,
CAN
16-bit Product Family with
Advanced Peripherals for Digital Power Control
One key feature of the low pin count PIC24F is
Peripheral Pin Select (PPS). PPS allows the designer to
minimize the cost of the design by selecting the lowest
pin count device needed to meet the needs of the
system.
■
Up to 16 MIPS execution speed with H/W multiplier
■
4 UART, 3 SPI and 3 I
2
C
■
9 Input Capture and 9 Output Compare/PWM
■
10-bit ADC with up to 500 ksps sample rate
■
3 internal comparators
■
Integrated USB OTG and embedded host