MAX15303

6A Digital PoL DC-DC Converter with InTune Automatic Compensation

6A InTune Automatically Compensated Converter with PMBus Telemetry


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说明

The MAX15303 is a full-featured, flexible, efficient, 6A digital point-of-load (PoL) controller with integrated switching MOSFETs. It contains advanced power-management and telemetry features. Unlike PID-based digital power regulators, the device uses Maxim’s patented InTune automatically compensated, state-space control algorithm. The InTune control law is valid for both the small- and large-signal response and accounts for duty-cycle saturation effects. These capabilities result in fast loop transient response and reduce the number of output capacitors compared to competing digital controllers.

To help maximize system efficiency and reduce overall parts count, the device uses Maxim’s BabyBuck regulator. The BabyBuck eliminates the need for an external bias supply. The BabyBuck can be configured in two different modes to maximize system flexibility.

The device is designed to minimize the end customer’s design time. Automatic compensation eliminates the need for external compensation circuitry and allows changes to the output inductor and capacitor, without the need to manually redesign the compensation circuitry. An on-board PMBus-compliant serial bus interface enables communication with a supervisory controller for monitoring and fault management. A full suite of power-management features eliminates the need for complicated and expensive sequencing and monitoring ICs. Basic DC-DC conversion operation can be set up through pin strapping and does not require user-configuration firmware. This allows for rapid development of the power-supply subsystem before board-level systems engineering is completed. Maxim provides support hardware and software for configuring the device.

The MAX15303 is available in a 40-pin, 6mm × 6mm TQFN package with an exposed pad and operates over the -40°C to +85°C temperature range.

MAX15303: Functional Diagram MAX15303: Functional Diagram 放大+

关键特性

  • InTune Automatic Compensation Simplifies and Speeds Design
    • Ensures Stability While Optimizing Transient Performance
    • State-Space Compensation Results in Fast Transient Response with Reduced Output Capacitance
  • Out-of-the-Box Operation Enables Fast Prototyping
    • Supports Pin-Strappable Configuration: Output Voltage, SMBus Address, Switching Frequency, Current Limit
  • Easy to Use PMBus Interface for Configuration, Control, and Monitoring
    • Flexible Sequencing and Fault Management
    • Supports Voltage Positioning
    • Configurable Soft-Start and Soft-Stop Time
    • 300kHz to 1000kHz Fixed-Frequency Operation
  • Integration Yields Small Solution Size
    • Integrated High- and Low-Side MOSFETs
    • Efficient On-Chip BabyBuck Regulator for Self-Bias Output
    • Startup into a Prebiased Output
  • Performance Optimized for Communication and Computing Systems
    • Differential Remote Voltage Sensing Enables ±1.25% VOUT Accuracy over Temperature (-40°C to +85°C)
    • 4.5V to 14V Wide Input Range
    • Output Voltage Range from 0.5V to 5.25V
    • External Synchronization

应用

  • 基站设备
  • 电源模块
  • 路由器/交换机
  • 服务器
  • 存储系统

请查看具体的参数规格 Step-Down Switching Regulators (405)


Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Preset VOUT
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingPower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Package/PinsBudgetary
Price
minmaxminmaxmaxSee Notes
MAX15303 4.5140.55.25
0.6
0.7
0.75
0.8
0.85
0.9
0.95
1
1.05
1.1
1.2
1.5
1.8
2.5
3.3
5
Digital/VID
Resistor
6InternalYesYes11000
TQFN HYBRID/40
$3.72 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

MAX15303EVKIT1: Evaluation Kit for the MAX15303
产品可靠性报告: MAX15303.pdf 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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