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Microchip dsPIC33 Explorer 16数字电源开发方案

文章出处:8gled.com作者:格烁光电发表时间:2018-07-24
成都代孕-宝宝频道Pd9M【100%包成功退全款】Microchip公司的dsPIC33FJxxGSxx系列是高性能16位数字信号控制器,包括有扩展的DSP功能和高性能16位微控制器(MCU)架构.工作电压3.0-3.6V时的性能高达40MIPS,主要用于AC/DC转换器,汽车电子HID,电池充电器,DC/DC转换器,数字照明,电磁炉,led镇流器,可再生能源以及UPS等.本文介绍dsPIC33FJxxGSxx系列主要特性,方框图, 多种转换构成框图以及Explorer 16数字电源开发板电路图.

dsPIC33主要特性:

Operating Range:

? Up to 40 MIPS operation (at 3.0-3.6V):

- Industrial temperature range (-40℃ to +85℃)

- Extended temperature range (-40℃ to +125℃)

High-Performance DSC CPU:

? Modified Harvard architecture

? C compiler optimized instruction set

? 16-bit wide data path

? 24-bit wide instructions

? Linear program memory addressing up to 4M instruction words

? Linear data memory addressing up to 64 Kbytes

? 83 base instructions: mostly 1 word/1 cycle

? Two 40-bit accumulators with rounding and saturation options

? Flexible and powerful addressing modes:

- Indirect

- Modulo

- Bit-Reversed

? Software stack

? 16 x 16 fractional/integer multiply operations

? 32/16 and 16/16 divide operations

? Single-cycle multiply and accumulate:

- Accumulator write back for DSP operations

- Dual data fetch

? Up to ±16-bit shifts for up to 40-bit data

Direct Memory Access (DMA):

? 4-channEL hardware DMA

? 1 Kbyte dual ported DMA buffer area (DMA RAM) to store data transferred via DMA:

- Allows data transfer between RAM and a peripheral while CPU is executing code (no
cycle stealing)

? Most peripherals support DMA

Digital I/O:

? Up to 85 programmable digital I/O pins

? Wake-up/Interrupt-on-Change for up to 24 pins

? Output pins can drive voltage from 3.0V to 3.6V

? Up to 5V output with open drain configuration

? 5V tolerant digital input pins

? 16 mA source/sink on all PWM pins

On-Chip Flash and SRAM:

? Flash program memory (up to 64 Kbytes)

? Data SRAM (up to 8 Kbytes)

? Boot and General Security for program Flash

Peripheral Features:

? Timer/Counters, up to five 16-bit timers

- Can pair up to make one 32-bit timer

? Input Capture (up to four channels):

- Capture on up, down or both edges

- 16-bit capture input functions

- 4-deep FIFO on each capture

? Output Compare (up to four channels):

- Single or Dual 16-bit Compare mode

- 16-bit Glitchless PWM mode

? 4-wire SPI (up to two modules):

- Framing supports I/O interface to simple codecs

- 1-deep FIFO buffer

- Supports 8-bit and 16-bit data

- Supports all serial clock formats and sampling modes

? I2C? (up to two modules):

- Supports Full Multi-Master Slave mode

- 7-bit and 10-bit addressing

- Bus collision detection and arbitration

- Integrated signal conditioning

- Slave address masking

? UART (up to two modules):

- Interrupt on address bit detect

- Interrupt on UART error

- Wake-up on Start bit from Sleep mode

- 4-character TX and RX FIFO buffers

- LIN bus support

- IrDA? encoding and decoding in hardware

- High-Speed Baud mode

- Hardware Flow Control with CTS and RTS

? Enhanced CAN (ECAN? module) 2.0B active:

- Up to eight transmit and up to 32 receive buffers

- 16 receive filters and three masks

- Loopback, Listen Only and Listen All

- Messages modes for diagnostics and bus monitoring

- Wake-up on CAN message

- Automatic processing of Remote

Transmission Requests

- FIFO mode using DMA

- DeviceNet? addressing support

? Quadrature Encoder Interface (up to 2 modules):

- Phase A, Phase B, and index pulse input

- 16-bit up/down position counter

- Count direction status

- Position Measurement (x2 and x4) mode

- Programmable digital noise filters on inputs

- Alternate 16-bit Timer/Counter mode

- Interrupt on position counter rollover/underflow

High-Speed PWM Module Features:

? Up南京代孕-【专业100%包成功xpkR】产检频道 to nine PWM generators with up to 18 outputs

? Primary and Secondary time-base

? Individual time base and duty cycle for each of the PWM output

? Dead time for rising and falling edges:

- Duty cycle resolution of 1.04 ns

- Dead-time resolution of 1.04 ns

? Phase shift resolution of 1.04 ns

? Frequency resolution of 1.04 ns

? PWM modes supported:

- Standard Edge-Aligned

- True Independent Output

- Complementary

- Center-Aligned

- Push-Pull

- Multi-Phase


- Variable Phase

- Fixed Off-Time

- Current Reset

- Current-Limit

? Independent Fault/Current-Limit inputs

? Output override control

? Special Event Trigger

? PWM capture feature

? Prescaler for input clock

? Dual Trigger from PWM TO ADC

? PWMxL, PWMxH output pin swapping

? On-the-Fly PWM Frequency, Duty cycle and Phase Shift changes

? Disabling of Individual PWM generators

? Leading-Edge Blanking (LEB) functionality

High-Speed Analog Comparator:

? Up to four Analog Comparators:

- 20 ns response time

- 10-bit DAC for each analog comparator

- DACOUT pin to provide DAC output

- Programmable output polarity

- Selectable input source

- ADC sample and convert capability

? PWM module interface:

- PWM Duty Cycle Control

- PWM Period Control

- PWM Fault Detect

Interrupt Controller:

? 5-cycle latency

? Up to five external interrupts

? Seven programmable priority levels

? Five processor exceptions

High-Speed 10-bit ADC:

? 10-bit resolution

? Up to 24 input channels grouped into 12 conversion pairs

? Two internal reference monitoring inputs grouped into a pair

? Successive Approximation Register (SAR) converters for parallel conversions of analog pairs:

- 4 Msps for devices with two SARs

- 2 Msps for devices with one SAR

? Dedicated result buffer for each analog channel

? Independent trigger source section for each analog input conversion pairs

Power Management:

? On-chip 2.5V voltage regulator

? Switch between clock sources in real time

? Idle, Sleep, and Doze modes with

CMOS Flash Technology:

? Low-power, high-speed Flash technology

? Fully static design

? 3.3V (±10%) operating voltage

? Industrial and Extended temperature

? Low power consumption

System Management:

? Flexible clock options:

- External, crystal, resonator, internal RC

- Phase-Locked Loop (PLL) with 120 MHz VCO

- Primary Crystal Oscillator (OSC) in the range of 3 MHz to 40 MHz

- Secondary oscillator (SOSC)

- Internal Low-Power RC (LPRC) oscillator at a frequency of 32.767 kHz

- Internal Fast RC (FRC) oscillator at a frequency of 7.37 MHz

? Power-on Reset (POR)

? Brown-out Reset (BOR)

? Power-up Timer (PWRT)

? Oscillator Start-up Timer (OST)

? Watchdog Timer with its RC oscillator

? Fail-Safe Clock Monitor

? Reset by multiple sources

? In-Circuit Serial Programming? (ICSP?)

? Reference Oscillator Output

Application Examples:

? AC-to-DC Converters

? Automotive HID

? Battery Chargers

? DC-to-DC Converters

? Digital Lighting

? Induction Cooking

? LED Ballast

? Renewable Power/Pure Sine Wave Inverters

? Uninterruptible Power Supply (UPS)


图1.dsPIC33系列方框图

图2.dsPIC33系列DSP引擎方框图

图3.dsPIC33推荐的最少连接方框图

图4.dsPIC33系列数字PFC方框图

图5.dsPIC33系列升压转换器实现方框图

图6.dsPIC33系列单相同步转换器方框图

图7.dsPIC33系列多相同步降压转换器方框图

图8.dsPIC33系列隔行扫描PFC方框图

图9.dsPIC33系列相移全桥转换器方框图

图10.带PFC和三输出(12V, 5V和3.3V)的AC/DC电源电路图

Explorer 16低成本高效开发板

The Explorer 16 is a low cost, efficient development board to evaluate the features and performance of Microchip’s new PIC24 Microcontroller, the dsPIC33 Digital Signal Controller (DSC) families, and the new 32-bit PIC32MX devices. Coupled with the MPLAB ICD 2 In Circuit Debugger or MPLAB REAL ICE, real-time emulation and debug facilities speed evaluation and prototyping of application circuitry. The Explorer 16 100-pin features two interchangeable Plug-In Modules (PIMs), one each for the PIC24FJ128GA010 and the dsPIC33FJ256GP710 DSC. The Explorer 16 44-pin features a Plug-In Module (PIM) for the PIC24FJ64GA004.

Explorer 16开发板主要特性:

? Includes PIC24FJ128GA010 and the dsPIC33FJ256GP710 DSC Digital Signal Controller PIMs (100-pin version) or the PIC24FJ64GA004 PIM (44-pin version).

? Alpha-numeric 16 x 2 LCD display

? Interfaces to MPLAB ICD 2, MPLAB REAL ICE, USB, and RS-232

? Includes Microchip’s TC1047A high accuracy, analog output temperature sensor

? Expansion connector to access full devices pin-out and bread board prototyping area

? PICTailTM Plus connector for expansion boards

? Full documentation CD includes user’s guide, schematics and PWB layout


图11.Explorer 16开发板外形图

图12.Explorer 16开发板电路图(1)


图13.Explorer 16开发板电路图(2)

图14.Explorer 16开发板电路图(3)

图15.Explorer 16开发板电路图(4)

图16.Explorer 16开发板电路图(5)

图17.Explorer 16开发板电路图(6)

详情请见:
http://ww1.microchip.com/downloads/en/DeviceDoc/70591C.pdf

http://ww1.microchip.com/downloads/en/DeviceDoc/DM240001%20BOM%20and%20Schematics.pdf
成都代孕-宝宝频道Pd9M【100%包成功退全款】 Microchip dsPIC33 Explorer 16数字电源开发方案原创编辑请注明出来http://www.yzxinfa.com
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