MAX20412

Automotive Low-Voltage 2-Channel Step-Down Controller

Dual-Output, High-Efficiency Step-Down Controller for Automotive SOC Core Power


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说明

The MAX20412 is a dual-output, high-efficiency, synchronous step-down controller IC that operates with a 3.0V to 5.5V input voltage range and provides a 0.25V to 1.275V output voltage range. The controller architecture enables up to 30A of load current per phase. Channel 1 has an option to operate with two phases to deliver higher load current, making this device ideal for automotive point-of-load (PoL) and post-regulation applications.

The IC achieves ±2% output error over load, line, and temperature ranges. The IC features a 2.2MHz/1.1MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes external components. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions.

The MAX20412 is offered with factory-preset output voltages (see the Selector Guide for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates for each channel. Other features include programmable soft-start, overcurrent, and overtemperature protections.

关键特性

  • 2-Channel, High-Efficiency DC-DC Controller in a Small Solution Size
    • 3.0V to 5.5V Operating Supply Voltage
    • OUT1 Supports 60A (with Two Phases)
    • OUT2 Supports 30A
  • High-Precision Regulator for Applications Processors
    • ±2% Output-Voltage Accuracy
    • Differential Remote-Voltage Sensing
    • I2C-Controlled Output Voltage: 0.25V to 1.275V in 6.25mV Steps
    • Excellent Load-Transient Performance
    • Programmable Compensation
  • Low-Noise Features Reduce EMI
    • 2.2MHz or 1.1MHz Operation
    • Spread-Spectrum Option
    • Frequency-Synchronization Input/Output
    • Current-Mode, Forced-PWM, and Skip Operation
  • Robust for the Automotive Environment
    • Individual Enable Inputs and PGOOD Outputs
    • Low RDS(ON) External MOSFETs
    • Overtemperature and Short-Circuit Protection
    • 32-Pin (5mm x 5mm) TQFN with Exposed Pad
    • -40°C to +125°C Operating Temperature Range
    • AEC-Q100 Qualified

应用

  • 汽车
  • 核心处理器系统/GPU电源
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)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxmaxSee Notes
MAX20412 NEW!35.50.251.275
0.75
0.825
Digital/VID60ExternalYesYes2
1100
2200
EE-Sim
TQFN/32
TQFN-CU/32
$2.83 @1k
查看所有Step-Down Switching Regulators (404)
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。


MAX20412EVKIT: Evaluation Kit for the MAX20412

质量和环境数据

申请可靠性报告: MAX20412 
无铅封装的锡(Sn)晶须报告

工具和模型

  • EE-Sim: MAX20412 设计和仿真
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    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。

    质量管理体系 >
    环境管理体系 >

     
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