Microchip Technology MCP19122和MCP19123混合控制器
Microchip Technology MCP19122和MCP19123混合控制器采用可变输出模拟PWM控制器，具有出色的调节精度，集成了用于监控和管理功能的微控制器。 MCP19122和MCP19123是中压 (4.5 - 40V) 模拟同步降压PWM控制器，集成了8位PIC®微控制器。 这样即将包括高效率和快速瞬态响应在内的高速模拟解决方案的性能与数字解决方案的可配置性和通信接口结合起来。
特性
- Wide 4.5V to 40V operating voltage range
- Wide 0.3V to 16V output voltage range
- Analog emulated average-current mode Pulse-Width Modulation (PWM) control
- Supports synchronous buck, or similar high/low side switch topologies
- Operates from 100kHz to 1.6MHz, adjustable during operation
- Integrated 8-Bit PIC Microcontroller
- 4kw flash memory
- 256B RAM
- Significant configurability: adjustable analog compensation, switching frequency, UVLO, OVLO, Start-up Behavior, MOSFET deadtime, configurable GPIO pins, internal compensation network, I2C communication interface, and fault behavior
- Integrated synchronous high- and low-side MOSFET drivers
- Integrated High-side Current Sense
- Integrated 10-bit Analog-to-Digital Converter
- Multi-phase and multi-rail support as a master or slave device
- Can provide or synchronize to an external clock
- Can provide or synchronize to an external reference
- Shutdown and brown-out support
- 50uA quiescent current draw in sleep mode
- Integrated POR and BOR functions
- Three internal timers and a capture compare module
- Integrated I2C interface, capable of PMBus support
- Minimal external components needed
- Custom algorithm support
The Microchip Technology MCP19122 Hybrid Controller is housed in a QFN-24 package and the MCP19123 Hybrid Controller is housed in a QFN-28 package.
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Block Diagram
发布日期: 2017-07-31
| 更新日期: 2022-03-23