Datasheet > IR3510

IR3510

更新时间： 2024-11-09 03:44:27

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
1页	63K
描述
HOT-SWAP N+1 REDUNDANT XPHASETM CONTROL IC

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IR3510 数据手册

IR3510

DATASHEET

HOT-SWAP N+1 REDUNDANT XPHASE^TMCONTROL IC

DESCRIPTION

The IR3510 Hot-Swap N+1 Redundant X-Phase^TMController combines input isolation control for hot-

swappable applications, X-Phase^TMVRM/VRD control and active output ORing control for N+1 redundant

applications. It interfaces directly with microcontroller and X-Phase^TMphase ICs to provide a full-featured

and flexible solution for powering high-end CPUs and servers.

The IR3510 continuously monitors the 12V input current and VRM output voltage. Once the input current

exceeds the programmable threshold, it goes into current limit mode and turns off the input MOSFETs after

the OC delay times out. It immediately turns off the input MOSFETs when an over voltage (OV) condition is

detected on the VRM output. It also has UVLO for both the 12V input and the supply voltage to the VRM.

The IR3510 has built-in active ORing control function for N+1 redundant applications. When the VRM

output voltage is higher than the output voltage bus, it turns on the ORing MOSFETs; When the VRM

output is sinking current from the output voltage bus, it turns off the ORing MOSFETs.

The IR3510 works with existing X-Phase^TMphase ICs to provide a full-featured multiphase VRM solution,

including soft-start, voltage regulation, constant current limit, remote sense and open sense leads

protection.

The IR3510 interfaces with system logic to receive “ENABLE”, “VSET” which is the analog reference

voltage for controlling VRM output voltage, constant current limit “OCPSET” and OVP limit “OVPSET”. It

sends back to the system; load current “IO”, VRM status “VRRDY”, ORing MOSFETs status “ORING” and

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input fault “IOCD”.

FEATURES

•

Input isolation MOSFET control for hot-swap, input OCP and output OVP

Programmable input OCP limit and delay

Input isolation MOSFET short detection

Integrated Charge Pump drives input isolation MOSFETs and output ORing MOSFETs

Programmable 150KHz to 1MHz oscillator

•

Programmable two-stage soft-start

Analog voltage setting for output voltage control, OVP limit and OCP limit

True remote voltage sense with open-sense-lead protection

Programmable output impedance

Gain adjustable analog load current report with thermal compensation capability

Average Current Mode control improving current sharing between paralleled modules

Constant output current limit

Compatible with existing IR3086A and IR3088A Phase ICs

ORing control with adjustable reverse current cut-off threshold

Input Fault, VRRDY and ORing status indications

Operation from 12V input with 9V Under-Voltage Lockout

6.8V Bias Voltage provides system reference

32-lead MLPQ 5x5mm package

中文翻译

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