DSPIC30F2020-30I/MM Microchip Technology, DSPIC30F2020-30I/MM Datasheet - Page 140
DSPIC30F2020-30I/MM
Manufacturer Part Number
DSPIC30F2020-30I/MM
Description
IC DSPIC MCU/DSP 12K 28QFN
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.AC164335.pdf
(286 pages)
2.DM300023.pdf
(22 pages)
3.DM300023.pdf
(18 pages)
4.DSPIC30F2011-20ISO.pdf
(66 pages)
5.DSPIC30F2011-20IP.pdf
(26 pages)
6.DSPIC30F1010-30ISO.pdf
(26 pages)
7.DSPIC30F1010-30ISO.pdf
(50 pages)
Specifications of DSPIC30F2020-30I/MM
Core Processor
dsPIC
Core Size
16-Bit
Speed
30 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
12KB (4K x 24)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-QFN
Core Frequency
15MHz
Core Supply Voltage
3.3V
Embedded Interface Type
I2C, SPI, UART
No. Of I/o's
21
Flash Memory Size
12KB
Supply Voltage Range
3V To 3.6V
Package
28QFN-S EP
Device Core
dsPIC
Family Name
dsPIC30
Maximum Speed
30 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
16 Bit
Number Of Programmable I/os
21
Interface Type
I2C/SPI/UART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM300023 - KIT DEMO DSPICDEM SMPS BUCKAC164322 - MODULE SOCKET MPLAB PM3 28/44QFNDV164005 - KIT ICD2 SIMPLE SUIT W/USB CABLE
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC30F2020-30I/MMB32
Manufacturer:
Microchip Technology
Quantity:
135
- AC164335 PDF datasheet
- DM300023 PDF datasheet #2
- DM300023 PDF datasheet #3
- DSPIC30F2011-20ISO PDF datasheet #4
- DSPIC30F2011-20IP PDF datasheet #5
- DSPIC30F1010-30ISO PDF datasheet #6
- DSPIC30F1010-30ISO PDF datasheet #7
- Current page: 140 of 286
- Download datasheet (5Mb)
dsPIC30F1010/202X
12.34.3 APPLICATION OF PUSH-PULL PWM
Push-Pull PWM mode is typically used in transformer
coupled circuits to ensure that no net DC currents flow
through the transformer. Push-Pull mode ensures that
the same duty cycle PWM pulse is applied to the
transformer windings in alternate directions, as shown
in Figure 12-24.
FIGURE 12-24:
DS70178C-page 138
PWM1H
PWM1L
+V
+V
PWH1H
PWH1L
PWM1H
+
IN
+V
IN
PWM1L
+
IN
PWM1L
PWM1H
Dead Time
MODE
PWH1L
PWH1H
T
ON
Period
APPLICATIONS OF PUSH-
PULL PWM MODE
T1
T1
T
OFF
Dead Time
Half Bridge Converter
Push-Pull Buck Converter
T1
Full Bridge Converter
T
ON
Period
L1
L1
T
Dead Time
L1
OFF
V
OUT
+
V
V
OUT
+
OUT
+
Preliminary
12.34.4 APPLICATION OF MULTI-PHASE PWM
Multi-Phase PWM mode is often used in DC/DC con-
verters that must handle very fast load current tran-
sients and fit into tight spaces. A multi-phase converter
is essentially a parallel array of buck converters that
are operated slightly out of phase of each other, as
shown in Figure 12-25. The multiple phases create an
effective switching speed equal to the sum of the indi-
vidual converters. If a single phase is operating with a
333 KHz PWM frequency, then the effective switching
frequency for the circuit is 1 MHz. This high switching
frequency greatly reduces output capacitor size
requirements and improves load transient response.
FIGURE 12-25:
PWM1H
PWM1L
PWM1H
PWM1L
PWM2H
PWM2L
PWM3H
PWM3L
+
V
IN
MODE
PWM2H
PWM1L
L1
APPLICATIONS OF MULTI-
PHASE PWM MODE
© 2006 Microchip Technology Inc.
PWM3H
PWM1L
L2
Multiphase DC/DC
L3
Converter
V
+
OUT
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