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A3130

Alpha Microelectronics
Part Number A3130
Manufacturer Alpha Microelectronics
Description Universal DSP-Based PFC Solution
Published Jan 30, 2009
Detailed Description www.DataSheet4U.com a3130 general features The a3130 is a universal DSP-based PFC solution to be used in applications r...
Datasheet PDF File A3130 PDF File

A3130
A3130

Overview
www.
DataSheet4U.
com a3130 general features The a3130 is a universal DSP-based PFC solution to be used in applications requiring power factor values close to unity.
Typical applications are high-power DC motors and lighting systems.
The controller is based on the boost topology and is fully softwarecontrolled.
The PFC algorithm is loaded from an on-chip non-volatile memory for standalone operation or can be uploaded to the DSP core using a two-wire interface.
Highlights:  Fully reconfigurable digitally-controlled power factor controller in CMOS technology  On-chip AC-phase-locked sinusoidal 45.
.
.
65Hz oscillator to improve AC-line noise rejection  High accuracy through on-chip 10bit ADC and dedicated RISC processor  Achievable high efficiency (>95%) and power factor (>0.
99)  Broad range of user-selectable PWM frequency (5kHz.
.
.
200kHz)  Low EMC filter requirements due to use of spread-spectrum PWM  Two-wire interface to load software  Supports 90V.
.
.
135V and 195V.
.
.
275V 60/50Hz mains standards Available Options:  On-chip gate driver  On-chip OTP memory for stand-alone operation example application schematic Rect.
L1 AC 15V R1 R6 D1 HV DRV R2 C1 R7 PFCIC VDD=5V 64MHz PLL 1% RC Oscillator PFCDRV VAC VDC PFCFB PFCI OTP Memory (optional) SDAT DSP Unit Two-wire Interface RAM Measuring Amplifiers ADC R3 SCLK AGND R4 R5 a3130: simplified application schematic ...


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