数字电源管理

 



高效率和电源密度

ADI数字控制器专为控制带同步整流功能的高效率电源转换器而设计,具有可编程功能阵列,可帮助用户提高转换效率。 更高的开关频率性能和集成保护功能实现了低器件数、高密度电源解决方案

实时功率检测和优化

所有器件都兼容I2C/PMBus,允许终端用户精确地监测电源系统状态,通过智能、实时的变化来优化系统效率。

优化和专用的信号检测

电源系统中的每个信号都有其独特的测量要求。 ADI公司的数字控制器系列有专用ADC,其针对单个测量信号来提供连续、精确的各参数测量。 专用高速比较器用于提供对故障条件的快速响应。

可靠和稳定的设计

数字控制器系列基于灵活的状态机架构,通过硬件实现所有功能。 这样就得到了极其稳定和可靠的解决方案,在电源应用中至关重要。 该器件可用PMBus进行编程并可生成特定命令。 这消除了对复杂的代码编程的需求,并且简化了软件认证。

图形用户界面(GUI)缩短了上市时间

GUI是真正地图形化,并且使用上非常直观。 各种易于使用的拖放功能加快了学习时间以及数字控制器解决方案的采用。 GUI让用户能对电源系统建模并编程所需的值和指令。

APEC 2014

输入参数值,然后点击ADIsimPower查找电源管理解决方案。 Launch of ADIsimPower Voltage Regulator Design Tool
可用系统电压 工作电压轨 负载电流
Vin (最小值) V Vin (最大值) V Vout V Iout A

数字DC-DC控制器

数字DC-DC控制器采用电压模式控制,搭载针对输入电压、输入电流、输出电压、输出电流和温度的专用检测功能。 同时具有片上EEPROM,可存储独立运行模式的配置。

Part Number Description PWM Outputs Features Communication Package Temperature Range Automotive Qualified Pricing ($@1k)
ADP1050 Digital Controller for Isolated Power Supply with PMBus Interface 4 - Feed-Forward
- Dedicated filters for Normal Mode and Light-Load Mode
- 50kHz to 625kHz Switching Range
- Pre-Bias Start-up
- Synchronization
- -40°C to +125°C operation with EEPROM data retention of 15 years at 125°C
PMBUS 20 LFCSP -40 to 125C - 3.4
ADP1051 Digital Controller for Isolated Power Supply with PMBus Interface 6 - Feed-Forward
- Dedicated filters for Normal Mode and Light-Load Mode
- 50kHz to 625kHz Switching Range
- Light-Load and Deep Light-Load Modes
- Adaptive Dead Time Control
- Pre-Bias Start-up
- Reverse Current Protection
- Droop Current Share
- Synchronization
PMBUS 24 LFCSP -40 to 125C - 3.9
ADP1046A Digital Controller for Isolated Power Supply Applications 7 - Feed-Forward
- Dedicated filters for Normal Mode, Light-Load Mode and Soft-Start
- 50kHz to 625kHz Switching Range
- Light-Load
- Pre-Bias Start-up
- Reverse Current Protection
- Active and Droop Current Share
- Or-FET Control
- Supports Resonant Mode Control
I2C 32 LFCSP -40 to 125C Yes 4.5
ADP1053 Three chanel digital power supply controller 8 - Eight PWMS can be configured to control two closed loops and one open loop
- Dedicated filters for Normal Mode and Light-Load Mode
- 50kHz to 625kHz Switching Range
- Light-Load
- Reverse Current Protection
PMBUS 40 LFCSP -40 to 125C - 5.3
ADP1055 Digital Controller for Isolated Power Supply with PMBus Interface 6+2
GPIOs as active snubber

- -40°C to +125°C operation with EEPROM data retention of 15 years at 125°C
- 32-bit password protection with command masking
- 64 address selections (16 base addresses, expandable to 64)
- Duty cycle double update rate
- Programmable loop filters (CCM, DCM, low/normal temperature)
- Frequency synchronization
- Soft start and soft stop functionality
- Average and peak constant current mode
- External PN junction temperature sensing
- 4 GPIOs (2 GPIOs configurable as active clamp snubber PWMs)
- Fast line voltage feedforward
- Adaptive dead time compensation for improved efficiency
- Extended black box data recorder for fault recording
PMBUS 32 LFCSP -40 to 125C - 5.3
ADM1041A Secondary-Side Controller with Current Share and Housekeeping 0 - Constant Current Control
- Analog Current Share
- OrFET Control
I2C 24 QSOP -40 to 85C - 3.21

具有功率计量功能的数字PFC控制器

这些数字PFC控制器配有专用输入电压、电流、输出电压和温度传感器。 还具有一个板上EEPROM,用于保存独立工作模式的配置。

Part Number Description PWM Outputs Features Communication Package Temperature Range Automotive Qualified Pricing ($@1k)
ADP1047 Current Mode Boost Control for Single Phase 2 - Power Metering
- Dedicated filters for Normal Mode and Light-Load Mode
- Dedicated Filters for Current Loop Low and High Lines
- Dedicated Filters for Voltage Loop Slow and Fast
- 30kHz to 400kHz Switching Range
- In-rush Control
- Frequency Dithering
- Smart Frequency Change
- Adaptive Output Voltage Control
- Synchronization
PMBUS 24 QSOP -40 to 125C - 3
ADP1048 Current Mode Boost Control for Interleaved and Bridgeless 2 - Power Metering
- Dedicated filters for Normal Mode and Light-Load Mode
- Dedicated Filters for Current Loop Low and High Lines
- Dedicated Filters for Voltage Loop Slow and Fast
- 30kHz to 400kHz Switching Range
- In-rush Control
- Frequency Dithering
- Smart Frequency Change
- Adaptive Output Voltage Control
- Synchronization
PMBUS 24 QSOP -40 to 125C Yes 3.6

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