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MCP19111: DescriptionDigitally Enhanced Power Analog Controller with Integrated Synchronous Driver; File Size2MB，222 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MCP19111 Overview

Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver

User Manual

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MCP19111

Digitally Enhanced Power Analog Controller

with Integrated Synchronous Driver

Synchronous Buck Features:

•

Input Voltage: 4.5V to 32V

Output Voltage: 0.5V to 3.6V

Switching Frequency: 100 kHz to 1.6 MHz

Quiescent Current: 5 mA Typical

High-Drive:

- +5V Gate Drive

- 1A/2A Source Current

- 1A/2A Sink Current

Low-Drive:

- +5V Gate Drive

- 2A Source Current

- 4A Sink Current

Peak Current Mode Control

Differential Remote Output Sense

Multi-Phase Systems:

- Master or Slave

- Frequency Synchronized

- Common Error Signal

Multiple Output Systems:

- Master or Slave

- Frequency Synchronized

Configureable Parameters:

- Overcurrent Limit

- Input Under Voltage Lockout

- Output Overvoltage

- Output Under Voltage

- Internal Analog Compensation

- Soft Start Profile

- Synchronous Driver Dead Time

- Switching Frequency

Thermal Shutdown

Microcontroller Features:

• Precision 8 MHz Internal Oscillator Block:

- Factory Calibrated

• Interrupt Capable

- Firmware

- Interrupt-on-Change Pins

• Only 35 Instructions to Learn

• 4096 Words On-Chip Program Memory

• High Endurance Flash:

- 100,000 write Flash Endurance

- Flash Retention: >40 years

• Watchdog Timer (WDT) with Independent

Oscillator for Reliable Operation

• Programmable Code Protection

• In-Circuit Debug (ICD) via Two Pins

• In-Circuit Serial Programming™ (ICSP™) via Two

Pins

• 14 I/O Pins and One Input-Only Pin

- 3 Open Drain Pins

• Analog-to-Digital Converter (ADC):

- 10-bit Resolution

- 12 Internal Channels

- 8 External Channels

• Timer0: 8-bit Timer/Counter with 8-Bit Prescaler

• Enhanced Timer1:

- 16-bit Timer/Counter with Prescaler

- 2 Selectable Clock Sources

• Timer2: 8-Bit Timer/Counter with Prescaler

- 8-bit Period Register

• I

Communication:

- 7-bit Address Masking

- 2 Dedicated Address Registers

- SMBus/PMBus

Compatibility

•



2013 Microchip Technology Inc.

DS22331A-page 1

MCP19111

Table of Contents

1.0 Device Overview .......................................................................................................................................................................... 7

2.0 Pin Description ........................................................................................................................................................................... 10

3.0 Functional Description ................................................................................................................................................................ 15

4.0 Electrical Characteristics ............................................................................................................................................................ 21

5.0 Digital Electrical Characteristics ................................................................................................................................................. 27

6.0 Configuring the MCP19111......................................................................................................................................................... 35

7.0 Typical Performance Curves ...................................................................................................................................................... 51

8.0 System Bench Testing ................................................................................................................................................................ 55

9.0 Device Calibration ...................................................................................................................................................................... 57

10.0 Relative Efficiency Measurement ............................................................................................................................................... 65

11.0 Memory Organization ................................................................................................................................................................. 67

12.0 Device Configuration .................................................................................................................................................................. 79

13.0 Oscillator Modes......................................................................................................................................................................... 81

14.0 Resets ........................................................................................................................................................................................ 83

15.0 Interrupts .................................................................................................................................................................................... 91

16.0 Power-Down Mode (Sleep) ........................................................................................................................................................ 99

17.0 Watchdog Timer (WDT)............................................................................................................................................................ 101

18.0 Flash Program Memory Control ............................................................................................................................................... 103

19.0 I/O Ports ................................................................................................................................................................................... 109

20.0 Interrupt-On-Change .................................................................................................................................................................119

21.0 Internal Temperature Indicator Module..................................................................................................................................... 121

22.0 Analog-to-Digital Converter (ADC) Module .............................................................................................................................. 123

23.0 Timer0 Module.......................................................................................................................................................................... 133

24.0 Timer1 Module with Gate Control............................................................................................................................................. 135

25.0 Timer2 Module.......................................................................................................................................................................... 138

26.0 PWM Module............................................................................................................................................................................ 141

27.0 Master Synchronous Serial Port (MSSP) Module .................................................................................................................... 145

28.0 In-Circuit Serial Programming™ (ICSP™) ............................................................................................................................... 189

29.0 Instruction Set Summary .......................................................................................................................................................... 191

30.0 Development Support............................................................................................................................................................... 201

31.0 Packaging Information.............................................................................................................................................................. 205

Appendix A: Revision History............................................................................................................................................................. 209

Index ...................................................................................................................................................................................................211

The Microchip Web Site ..................................................................................................................................................................... 217

Customer Change Notification Service .............................................................................................................................................. 217

Customer Support .............................................................................................................................................................................. 217

Reader Response .............................................................................................................................................................................. 218

Product Identification System............................................................................................................................................................. 219

DS22331A-page 4



2013 Microchip Technology Inc.

MCP19111 Related Products

	MCP19111	OPTION_REG	ANSELA	APFCON	TRISGPA	WPUGPA
Description	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver

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