Datasheet > ISL6398IRTZ-TK

ISL6398IRTZ-TK

更新时间： 2024-11-21 18:08:59

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瑞萨 - RENESAS		/
页数	文件大小	规格书
57页	2881K
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Advanced Linear EAPP 6-Ph Green PWM Controller for Digital Power with NVM and AUTO Phase Shedding

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ISL6398IRTZ-TK 技术参数

生命周期：	Active	零件包装代码：	TQFN
针数：	40	Reach Compliance Code：	compliant
风险等级：	5.68	Samacsys Description：	Multiphase Controllers Advanced Linear EAPP 6-Ph Green PWM Controller for Digital Power with NVM and AUTO Phase Shedding
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	Base Number Matches：	1

ISL6398IRTZ-TK 数据手册

DATASHEET

ISL6398

FN8575

Rev 1.00

Aug 13, 2015

Advanced Linear EAPP Digital 6-Phase Green PWM Controller for Digital Power

Management with NVM and AUTO Phase Shedding

The ISL6398 is a smart and smallest 6-Phase Green PWM

Features

controller, designed for networking, datacenter, and POL

• SMBus/PMBus/I C Compatible

applications. It includes programmable functions and

telemetries for easy use and system flexibility using SMBus,

PMBus, or I C interface, which is designed to program NVM

banks up to 8 different compensations and system

parameters. This minimizes external components and

significantly reduces design complexity and PCB area, and

simplifies the manufacturing process.

- Programmable IMAX, TMAX, BOOT, and address

- Programmable soft-start rate and DVID rate

- Up to 1.5MHz

- NVM to store up to 8 Configurations with programmable

frequency, droop, auto, faults (OCP, UVP, CFP), etc.

- No firmware requirement and hassle

The ISL6398 utilizes Intersil’s proprietary Advanced Linear EAPP

(Enhanced Active Pulse Positioning) Digital control scheme to

achieve the extremely fast linear transient response with fewer

output capacitors and overcomes many hurdles of traditional

digital approach, which uses non-linear, discrete control method

for both voltage loop and current balance loop and runs into beat

frequency oscillation and non-linear response. The ISL6398

accurately monitors the load current via the IMON pin and

reports this information via the READ_IOUT register for power

management. The ISL6398 features auto-phase shedding. In low

power operation, the magnetic core and switching losses are

significantly reduced with lower phase count operation, yielding

high efficiency at light load. When APA is triggered, the dropped

phase(s) are added back to sustain heavy load transient

response and efficiency. It optimizes the efficiency from light to

full load for Greener Environment without sacrificing the transient

performance.

• Advanced Linear EAPP Digital control scheme (patented)

- Digitally programmable compensation

- Auto phase shedding option for greener environment

- Variable frequency control during load transients to

reduce beat frequency oscillation

- Linear control with evenly distributed PWM pulses for

better phase current balance during load transients

- Voltage feed-forward and ramp adjustable options

- High frequency compensation option

- Active phase adding and dropping for enhanced light load

efficiency

• Phase doubler and coupled-inductor compatibility

• Differential remote voltage sensing with ±0.5% accuracy

• Programmable minimum phase count operation

• Programmable slew rate of dynamic VID with dynamic VID

compensation (DVC)

The ISL6398 senses the output current continuously by a

dedicated current sense resistor or the DCR of the output

inductor. The sensed current flows through a digitally

programmable 1% droop resistor for precision load line control.

Current sensing circuits also provide the needed signals for

channel-current balancing, average overcurrent protection and

individual phase current limiting. The TM pin senses an NTC

thermistor’s temperature, which is internally digitized for thermal

monitoring and for integrated thermal compensation of the

current sense elements of the regulator.

• Support 3-state 5V or 3.3V PWM DrMOS and driver

• Zero current shutdown with ISL6627

• Precision resistor or DCR differential current sensing

- Accurate load-line (Droop) programming and control

- Accurate current monitoring and channel-current

balancing with calibration capability

• True input current sensing for catastrophic failure protection

• Average overcurrent protection and channel current limiting

• High common mode current sense input (VCC-1.5V)

• Open sensing and single point of loop failure protection

• Thermal monitoring and integrated compensation

• 1- to 6-Phase option and up to 2MHz per phase

• Start-up into precharged load

The ISL6398 features remote voltage sensing and completely

eliminates any potential difference between remote and local

grounds. This improves regulation and protection accuracy. The

threshold-sensitive enable input is available to accurately

coordinate the start-up of the ISL6398 with other voltage rails.

• Pb-free (RoHS Compliant)

• 40 Ld 5x5 Plastic Package

Applications

• High efficiency and high density digital power

• High performance multi-phase POL and network

• Cloud Computing, Router, Data Center and Storage

• General processor power

FN8575 Rev 1.00

Aug 13, 2015

Page 1 of 57

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与ISL6398IRTZ-TK相关器件

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ISL6401CBZ-T	INTERSIL	获取价格	Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)
ISL6401CR	INTERSIL	获取价格	Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)
ISL6401CR-T	INTERSIL	获取价格	Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)
ISL6401CRZ	INTERSIL	获取价格	Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)
ISL6401CRZ-T	INTERSIL	获取价格	Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)
ISL6401IB	INTERSIL	获取价格	Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)

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