Name: Microchip MCP19214
Brand: Microchip
SKU: 1670496
Rating: 84 (1 reviews)

user manualMicrochip MCP19214

 2017 Microchip Technology Inc. DS20005681A-page 1

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

• I

C 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

MCP19214/5

Digitally Enhanced Power Analog, Dual Channel, Low-Side PWM

Controller

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