MCP19214/5
Digitally Enhanced Power Analog, Dual Channel, Low-Side PWM
Controller
Features
• AEC Q100 Qualified and PPAP Capable
• Input Voltage Range: 4.5V-42V
• Two Independent High-Performance PWM
Controllers
• Two Independent Control Loops per Channel
allowing the User to Simultaneously Control the
Output Voltage and Current
• Can Be Configured to Control Multiple Topologies
including but Not Limited To:
- Boost
- Flyback
- Ćuk
- Single-Ended Primary-Inductor Converter
(SEPIC)
• Peak Current Mode Control
• Master/Slave Operation of the PWM Controllers
with Adjustable Phase Shift
• Differential Output Current Sense Capability
• Integrated Low-Side Current Sense Differential
Amplifier (10X)
• Integrated Low-Side Gate Drivers:
- 0.5A Sink/Source Current Capability at 5V
Supply Voltage
- 1A Sink/Source Current Capability at 10V
Supply Voltage
• Special Events Generator (the state of regulating
loops can be monitored without firmware
overhead)
• Configurable Parameters:
- Reference Voltages for Regulating Loops
(four internal DACs)
- Input Undervoltage Lockout (UVLO)
- Input Overvoltage Lockout (OVLO)
- Primary Current Leading Edge Blanking:
0 ns, 50 ns, 100 ns and 200 ns
- Fixed Switching Frequency Range:
31.25 kHz-2.0 MHz
- Slope Compensation
- Primary Current Sense Offset Adjustment
- Configurable GPIO Pin Options
• Low Quiescent Current: 10 mA Typical
• Low Sleep Current: 120 µA Typical
• Thermal Shutdown
Microcontroller Features
• Precision 8 MHz Internal Oscillator Block:
- Factory-Calibrated to ±1%, Typical
• Interrupt-Capable
- Firmware
- Interrupt-on-Change Pins
• Only 35 Instructions to Learn
• 8192 Words On-Chip Program Memory
• 336 bytes of Internal RAM
• 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 Serial Programming™ (ICSP™) via Two
Pins
• Up to 12 I/O Pins and One Input-Only Pin
• Analog-to-Digital Converter (ADC):
- 10-Bit Resolution
- Internal 4096 mV Precision Reference
Generator
- Up to 8 External Channels
• Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
• Enhanced Timer1:
- 16-bit Timer with Prescaler
- Two Selectable Clock Sources
• Timer2: 8-Bit Timer with Prescaler
- 8-Bit Period Register
• I2C Communication:
- 7-bit Address Masking
- Two Dedicated Address Registers
• Addressable Universal Synchronous
Asynchronous Receiver Transmitter (AUSART)
(only MCP19215):
- 8 and 9-Bit Data Operations
- Address Detect
- Asynchronous and Synchronous Operating
Modes
2017 Microchip Technology Inc.
DS20005681A-page 1
