ir3510m International Rectifier Corp., ir3510m Datasheet

ir3510m

Manufacturer Part Number

ir3510m

Description

Hot-swap N+1 Redundant Xphase Control Ic

Manufacturer

International Rectifier Corp.

Datasheet

1.IR3510M.pdf (1 pages)

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Meier Automation Equipment Co., Limited

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Meier Automation Equipment Co., Limited

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DESCRIPTION

FEATURES

The IR3510 Hot-Swap N+1 Redundant X-Phase

swappable applications, X-Phase

applications. It interfaces directly with microcontroller and X-Phase

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

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

input fault “IOCD”.

•

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

HOT-SWAP N+1 REDUNDANT XPHASE

VRM/VRD control and active output ORing control for N+1 redundant

phase ICs to provide a full-featured multiphase VRM solution,

Controller combines input isolation control for hot-

phase ICs to provide a full-featured

DATASHEET

CONTROL IC

IR3510

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