Datasheet > MCP1630_13

MCP1630_13

更新时间： 2024-09-29 12:27:11

品牌	Logo	应用领域
美国微芯 - MICROCHIP		微控制器
页数	文件大小	规格书
26页	365K
描述
High-Speed, Microcontroller-Adaptable, Pulse Width Modulator

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中文翻译

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数据手册

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MCP1630_13 数据手册

MCP1630/MCP1630V

High-Speed, Microcontroller-Adaptable,

Pulse Width Modulator

Features

Description

• High-Speed PWM Operation (12 ns Current

Sense to Output Delay)

The MCP1630/V is a high-speed Pulse Width Modula-

tor (PWM) used to develop intelligent power systems.

When used with a microcontroller unit (MCU), the

MCP1630/V will control the power system duty cycle to

provide output voltage or current regulation. The MCU

can be used to adjust output voltage or current, switch-

ing frequency, maximum duty cycle and other features

that make the power system more intelligent.

• Operating Temperature Range:

- -40°C to +125°C

• Precise Peak Current Limit (±5%) (MCP1630)

• Voltage Mode and Average Current Mode Control

(MCP1630V)

• CMOS Output Driver (drives MOSFET driver or

low-side N-channel MOSFET directly)

Typical applications include smart battery chargers,

intelligent power systems, brick dc/dc converters, ac

power-factor correction, multiple output power supplies,

multi-phase power supplies and more.

• External Oscillator Input

(from PIC^®Microcontroller (MCU))

• External Voltage Reference Input (for adjustable

voltage or current output application)

The MCP1630/V inputs were developed to be easily

attached to the I/O of a MCU. The MCU supplies the

oscillator and reference to the MCP1630/V to provide

the most flexible and adaptable power system. The

power system switching frequency and maximum duty

cycle are set using the I/O of the MCU. The reference

input can be external, a D/A Converter (DAC) output or

as simple as an I/O output from the MCU. This enables

the power system to adapt to many external signals

and variables in order to optimize performance and

facilitate calibration.

• Peak Current Mode Operation > 1 MHz

• Low Operating Current: 2.8 mA (typ.)

• Fast Output Rise and Fall Times: 5.9 ns and

6.2 ns

• Undervoltage Lockout (UVLO) Protection

• Output Short Circuit Protection

• Overtemperature Protection

Applications

When operating in Current mode, a precise limit is set

on the peak current. With the fast comparator speed

(typically 12 ns), the MCP1630 is capable of providing a

tight limit on the maximum switch current over a wide

input voltage range when compared to other high-speed

PWM controllers.

• Intelligent Power Systems

• Smart Battery Charger Applications

• Multiple Output/Multiple Phase Converters

• Output Voltage Calibration

• AC Power Factor Correction

• VID Capability (programmed and calibrated by

PIC^®microcontroller)

For Voltage mode or Average Current mode

applications, the MCP1630V provides a larger range for

the external ramp voltage.

• Buck/Boost/Buck-Boost/SEPIC/Flyback/Isolated

Converters

Additional protection features include: UVLO,

overtemperature and overcurrent.

• Parallel Power Supplies

Related Literature

Package Type

• “MCP1630 NiMH Demo Board User’s Guide”,

Microchip Technology Inc., DS51505, 2004

8-Lead DFN

8-Lead MSOP

(2 mm x 3 mm)

• “MCP1630 Low-Cost Li-Ion Battery Charger

User’s Guide”, Microchip Technology Inc.,

DS51555, 2005

COMP

REF

• “MCP1630 Li-Ion Multi-Bay Battery Charger

User’s Guide”, Microchip Technology Inc.,

DS51515, 2005

CS 3

OSC IN

EXT

OSC IN

GND

• “MCP1630 Dual Buck Demo Board User’s Guide”,

Microchip Technology Inc., DS51531, 2005

 2004-2013 Microchip Technology Inc.

DS21896C-page 1

12 3 4 5 6 7...26

中文翻译

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