Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Microchip Technology | Subject: DsPIC30F1010 and dsPIC30F2020/2023
Edited by the Electronicstalk Editorial
Team on 04 July 2006
Controllers add more resolution to power
duties
Digital signal controllers are designed for switch-mode power supply designs and other power-conversion applications such as power inverters and uninterruptible power supplies.
Microchip has announced a new family of 16bit dsPIC digital signal controllers (DSCs) for switch-mode power supply (SMPS) designs and other power-conversion applications such as power inverters and uninterruptible power supplies (UPSs) The dsPIC30F1010 and dsPIC30F2020/2023 have a high-speed 1ns-resolution pulsewidth-modulator (PWM) and 2Msample/s 10bit analogue-to-digital (A/D) convertor onboard for low-latency high-resolution control
This article was originally published on Electronicstalk on 29 Jun 2006 at 8.00am (UK)
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The new devices extend Microchip's previous success in providing microcontroller and analogue control solutions for communications, power-sequencing and soft-start features in intelligent power supply applications by allowing designers to implement digital control of the complete power-conversion loop within their products.
This control of the power-conversion loop is achieved by a combination of software performance and the integrated high-performance peripherals.
Application features can now include automatic calibration, temperature compensation, improved power density, greater cost-effectiveness and support for a wider range of applications with software-based product differentiation.
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Specific examples of applications that can immediately see cost and performance benefits by using the new devices include power supplies with multiple outputs, co-ordinated load sharing, hot-swap capability, output co-ordination, integrated power factor correction or extensive fault-handling.
Other applications that can benefit from the advanced peripherals include digital lighting control, and large-screen LCD backlighting.
The new devices' PWM module offers 1ns duty cycle resolution and seven modes of operation, including standard, complementary, push-pull and variable-phase.
The 10bit A/D convertor has up to 12 input channels and samples at up to 2Msample/s.
Advanced sampling capabilities include either simultaneous sampling or individual triggers for each of four sample and holds.
The dsPIC30F1010 has 6Kbyte of Flash and two PWM generators, and the dsPIC30F202X have 12Kbyte of Flash and four PWM generators.
The new devices are supported by the MPLAB integrated development environment (IDE), MPLAB C30 C compiler, MPLAB ICD 2 in-circuit debugger and MPLAB Visual Device Initialiser.
In addition, to support development with these devices, Microchip offers the dsPICDEM SMPS buck development board (DM300023).
This board is available for early adopter sampling today and is expected to be generally available in September.
The dsPIC30F1010 and dsPIC30F2020 are available in 28-pin SOIC, SPDIP and QFN packages and the dsPIC30F2023 in 44-pin TQFP and QFN packages.
Selected devices are available today for early adopter sampling.
General sampling is expected in July at sample.microchip.com, and volume availability is expected in August.
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