MCP19111 Datasheet, PDF (1/222 Pages) Microchip Technology – Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver

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
• I²C^TM Communication:
- 7-bit Address Masking
- 2 Dedicated Address Registers
- SMBus/PMBus^TM Compatibility
 2013 Microchip Technology Inc.
DS22331A-page 1