Microchip MCP19124-E/MJ, PWM Controller 2 MHz, 4.5 → 42 V 24-Pin, QFN

  • RS庫存編號 126-2018
  • 製造零件編號 MCP19124-E/MJ
  • 製造商 Microchip

MCP19124 PWM controller with 8-bit MCU

The Microchip MCP19124 is an analogue-based PWM controller with an integrated 8-bit PIC® microcontroller. The combination analogue and digital solutions within a single device results in a product that maximizes the strengths of each technology to create a configurable, high-performance and more cost-effective power conversion solution. The MCP19124 contains two independent and configurable outer control loops which take advantage of a faster, inner current loop for peak current-mode control with fast transient response. This unique architecture allows smooth and monotonic switching between constant-voltage and constant-current operation which can be accomplished dynamically during operation.

• Smooth, dynamic transitions between CC and CV operating modes
• Dynamically adjustable output current and output voltage
• Wide operating voltage range: 4.5-42V
• Analog peak-current mode PWM control
• Fixed-frequency or quasi-resonant operation, adjustable 31 kHz to 2 MHz
• Supports Boost, SEPIC, Flyback, and Cuk topologies
• Minimal external component count
• Integrated 8-Bit PIC® MCU allows significant configurability
• I2C communication interface
• 9 GPIO lines
• Custom algorithm support

PWM (Pulse Width Modulation) Controllers, Microchip

Attribute Value
Maximum Switching Frequency 2 MHz
Maximum Source Current 0.5 A, 1 A
Maximum Sink Current 0.5 A, 1 A
Mounting Type Surface Mount
Package Type QFN
Pin Count 24
Dimensions 4 x 4 x 0.85mm
Length 4mm
Width 4mm
Height 0.85mm
Maximum Operating Supply Voltage 42 V
Output Current 25 (Sink) mA, 25 (Source) mA, 35 (External) mA
Number of Outputs 2
Input Voltage 42V
Output Voltage 6.5 (Internal) V, 13.5 (External) V
Minimum Operating Temperature -40 °C
Minimum Operating Supply Voltage 4.5 V
Maximum Operating Temperature +125 °C
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