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MCP19114/5 Digitally Enhanced Power Analog Synchronous Low-Side PWM Controller Features: Microcontroller Features: Input Voltage: 4.5V to 42V Precision 8 MHz Internal Oscillator Block: Can be configured with Multiple Topologies - Factory-calibrated to 1%, typical including but not limited to: Interrupt Capable -Flyback -Firmware - uk - Interrupt-on-Change Pins -Boost Only 35 Instructions to Learn - SEPIC (Single-Ended Primary-Inductor 4096 Words On-Chip Program Memory Converter) High Endurance Flash: Capable of Quasi-Resonant or Fixed-Frequency - 100,000 write Flash Endurance Operation - Flash Retention: >40 years Low Quiescent Current: 5 mA Typical Watchdog Timer (WDT) with Independent Low Sleep Current: 30 A Typical Oscillator for Reliable Operation Low-Side Gate Drivers: Programmable Code Protection - +5V Gate Drive In-Circuit Serial Programming (ICSP) via Two Pins - 0.5A Sink/Source Current Eight I/O Pins and One Input-Only Pin -+10V Gate Drive - Two Open Drain Pins - 1A Sink/Source Current Analog-to-Digital Converter (ADC): Peak Current Mode Control - 10-bit Resolution Differential Remote Output Sense - Five External Channels Multiple Output Systems: Timer0: 8-bit Timer/Counter with 8-bit Prescaler - Master or Slave Enhanced Timer1: Configurable Parameters: - 16-bit Timer with Prescaler -V , Precision I /V Set Point (DAC) REF OUT OUT - Two Selectable Clock Sources - Input Undervoltage Lockout (UVLO) Timer2: 8-Bit Timer with Prescaler - Input Overvoltage Lockout (OVLO) - 8-bit Period Register - Detection and Protection 2 TM I C Communication: - Primary Current Leading Edge Blanking (0, 50 ns, 100 ns and 200 ns) - 7-bit Address Masking - Gate Drive Dead Time (16 ns to 256 ns) - Two Dedicated Address Registers - Fixed Switching Frequency Range: 31.25 kHz to 2.0 MHz - Slope Compensation - Quasi-Resonant Configuration with Built-in Comparator and Programmable Offset Voltage Adjustment - Primary Current Offset Adjustment - Configurable GPIO Pin Options Integrated Low-Side Differential Current Sense Amplifier 5% Current Regulation Thermal Shutdown 2014 Microchip Technology Inc. DS20005281A-page 1MCP19114/5 Pin Diagram 24-Pin QFN (MCP19114) GPA0/AN0/TEST OUT 1 18 V DR GPA1/AN1/CLKPIN 2 PDRV 17 GPA2/AN2/T0CKI/INT 3 SDRV 16 MCP19114 GPA3/AN3 4 P 15 GND GPA7/SCL/ICSPCLK 5 14 A GND EXP-25 6 13 I GPA6/CCD/ICSPDAT P DS20005281A-page 2 2014 Microchip Technology Inc. GPB1/AN4/VREF2 7 GPA5/MCLR/TEST EN 24 8 23 I COMP GPB0/SDA 9 I 22 FB DESAT N DESAT /I P SOUT 10 21 V S 20 11 V I IN SP 12 19 V I DD SN