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MCP19116/7 Digitally Enhanced Power Analog Synchronous Low-Side PWM Controller with Improved 8k Word Core Features Microcontroller Features Input Voltage: +4.5V to +42V Precision 8 MHz Internal Oscillator Block: Can be configured with multiple topologies includ- - Factory-calibrated to 1%, typical ing but not limited to: Interrupt-Capable: -Flyback -Firmware - uk - Interrupt-on-change pins - Boost Only 35 Instructions to Learn - SEPIC (Single-Ended Primary-Inductor 8192 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: 50 A Typical Oscillator for Reliable Operation Low-Side Gate Drivers: Programmable Code Protection - +5V gate drive with 0.5A sink/source current In-Circuit Serial Programming (ICSP) via Two - +10V gate drive with 1A sink/source current Pins Peak Current Mode Control Eight I/O Pins and One Input-Only Pin: Differential Remote Output Sense - Two open-drain pins Multiple Output Systems: Analog-to-Digital Converter (ADC): - Master or Slave - 10-bit resolution AEC-Q100 Qualified - Five external channels Configurable Parameters: Timer0: 8-bit Timer/Counter with 8-bit Prescaler -V , Precision I /V Set Point (DAC) REF OUT OUT Enhanced Timer1: - ADC Reference Switch (V or AV ) DD DD - 16-bit timer with prescaler - Input Undervoltage Lockout (UVLO) - Two selectable clock sources - Input Overvoltage Lockout (OVLO) Timer2: 8-Bit Timer with Prescaler: - Detection and protection - 8-bit period register 2 - Primary current leading edge blanking (0 ns, I C Communication: 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: Addressable Universal Synchronous Receiver 31.25 kHz to 2.0 MHz Transmitter (AUSART) Modes - Slope compensation - Asynchronous (Full Duplex) - Quasi-Resonant configuration with built-in - Synchronous - Master (Half Duplex) comparator and programmable offset voltage - Synchronous - Slave (Half Duplex) adjustment - Primary current offset adjustment - GPIO pin options Integrated Low-Side Differential Current-Sense Amplifier Better than 5% Current Regulation Thermal Shutdown 2015-2018 Microchip Technology Inc. DS20005479C-page 1MCP19116/7 Pin Diagram 24-Pin QFN (MCP19116) 24 23 22 21 20 19 GPA0/AN0/TEST OUT 1 18 V DR GPA1/AN1/CLKPIN 2 17 PDRV 16 GPA2/AN2/T0CKI/INT 3 SDRV MCP19116 GPA3/AN3 4 15 P GND GPA7/SCL/ICSPCLK 5 14 A GND EXP-25 I GPA6/CCD/ICSPDAT/RX/DT 13 6 P 12 10 11 9 7 8 DS20005479C-page 2 2015-2018 Microchip Technology Inc. GPA5/MCLR/TEST EN GPB1/AN4/VREF2/TX/CK GPB0/SDA I COMP DESAT N I FB DESAT /ISOUT P V S V IN I SP I SN V DD