DSPIC30F2020-30I/MMB32 Microchip Technology, DSPIC30F2020-30I/MMB32 Datasheet - Page 109
![IC DSPIC MCU/DSP 12K 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
DSPIC30F2020-30I/MMB32
Manufacturer Part Number
DSPIC30F2020-30I/MMB32
Description
IC DSPIC MCU/DSP 12K 28QFN
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.AC164335.pdf
(286 pages)
2.DSPIC30F2011-20IP.pdf
(26 pages)
3.DSPIC30F1010-30ISO.pdf
(26 pages)
4.DSPIC30F1010-30ISO.pdf
(50 pages)
Specifications of DSPIC30F2020-30I/MMB32
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
For Use With
DM300023 - KIT DEMO DSPICDEM SMPS BUCK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
Q4035438A
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC30F2020-30I/MMB32
Manufacturer:
Microchip Technology
Quantity:
135
- AC164335 PDF datasheet
- DSPIC30F2011-20IP PDF datasheet #2
- DSPIC30F1010-30ISO PDF datasheet #3
- DSPIC30F1010-30ISO PDF datasheet #4
- Current page: 109 of 286
- Download datasheet (5Mb)
12.0
The Power Supply PWM (PS PWM) module on the
dsPIC30F1010/202X device supports a wide variety of
PWM modes and output formats. This PWM module is
ideal for power conversion applications such as:
• DC/DC converters
• AC/DC power supplies
• Uninterruptable Power Supply (UPS)
12.1
The PS PWM module incorporates these features:
• Four PWM generators with eight I/O
• Four Independent time bases
• Duty cycle resolution of 1.1 nsec @ 30 MIPS
• Dead-time resolution of 4.2 nsec @ 30 MIPS
• Phase-shift resolution of 4.2 nsec @ 30 MIPS
• Frequency resolution of 8.4 nsec @ 30 MIPS
• Supported PWM modes:
• On-the-Fly changes to:
• Output override control
• Independent current-limit and Fault inputs
• Special event comparator for scheduling other
• Each PWM generator has comparator for
Figure 12-1 conceptualizes the PWM module in a sim-
plified block diagram. Figure 12-2 illustrates how the
module hardware is partitioned for each PWM output
pair for the Complementary PWM mode. Each func-
tional unit of the PWM module is discussed in
subsequent sections.
The PWM module contains four PWM generators. The
module has eight PWM output pins: PWM1H, PWM1L,
PWM2H, PWM2L, PWM3H, PWM3L, PWM4H and
PWM4L. For complementary outputs, these eight I/O
pins are grouped into H/L pairs.
© 2006 Microchip Technology Inc.
- Standard Edge-Aligned PWM
- Complementary PWM
- Push-Pull PWM
- Multi-Phase PWM
- Variable Phase PWM
- Fixed Off-Time PWM
- Current Reset PWM
- Current-Limit PWM
- Independent Time Base PWM
- PWM frequency
- PWM duty cycle
- PWM phase shift
peripheral events
triggering ADC conversions.
POWER SUPPLY PWM
Features Overview
Preliminary
12.2
The PWM module is designed for applications that
require (a) high resolution at high PWM frequencies,
(b) the ability to drive standard push-pull or half bridge
converters or (c) the ability to create multi-phase PWM
outputs.
Two common, medium-power converter topologies are
Push-Pull and Half-Bridge. These designs require the
PWM output signal to be switched between alternate
pins, as provided by the Push-Pull PWM mode.
Phase-shifted PWM describes the situation where
each PWM generator provides outputs, but the phase
relationship between the generator outputs is
specifiable and changeable.
Multi-Phase PWM is often used to improve DC-DC
converter load transient response, and reduce the size
of output filter capacitors and inductors. Multiple DC/
DC converters are often operated in parallel but phase
shifted in time. A single PWM output operating at 250
KHz has a period of 4 µsec. But an array of four PWM
channels, staggered by 1 µsec each, yields an effective
switching frequency of 1 MHz. Multi-phase PWM appli-
cations typically use a fixed-phase relationship.
Variable Phase PWM is useful in Zero Voltage Transi-
tion (ZVT) power converters. Here the PWM duty cycle
is always 50%, and the power flow is controlled by
varying the relative phase shift between the two PWM
generators.
Note: The PLL must be enabled for the PS PWM
module to function. This is achieved by using the
FNOSC<1:0> bits in the FOSCSEL Configuration
register.
dsPIC30F1010/202X
Description
DS70178C-page 107
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