ISL6173 Intersil Corporation, ISL6173 Datasheet

ISL6173

Manufacturer Part Number

ISL6173

Description

Dual Low Voltage Hot Swap Controller

Manufacturer

Intersil Corporation

Datasheet

1.ISL6173.pdf (20 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

ISL6173DRZ

Manufacturer:

INTERSIL

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

ISL6173DRZA

Manufacturer:

Intersil

Quantity:

135

Current page: 1 of 20
Download datasheet (455Kb)

Dual Low Voltage Hot Swap Controller

This IC targets dual voltage hot swap applications across the

+2.5V to +3.3V (nominal) bias supply voltage range with a

second lower voltage rail down to less than 1V. It features a

charge pump for driving external N-Channel MOSFETs,

regulated current protection and duration, output undervoltage

monitoring and reporting, optional latch-off or retry response,

and adjustable soft-start.

The current regulation level (CR) for each rail is set by two

external resistors and each CR duration is set by an external

capacitor on the TIM pin. After the CR duration has expired

the IC then quickly pulls down the associated GATE(s)

output turning off its external FET(s). The ISL6173 offers a

latched output or indefinite auto retry mode of operation.

Ordering Information

NOTE: Intersil Pb-free plus anneal products employ special Pb-free

material sets; molding compounds/die attach materials and 100%

matte tin plate termination finish, which are RoHS compliant and

compatible with both SnPb and Pb-free soldering operations. Intersil

Pb-free products are MSL classified at Pb-free peak reflow

temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

Pinout

ISL6173DRZA

ISL6173DRZA-T ISL6173DRZ 0 to +85 28 Ld 5x5 QFN

ISL6173EVAL3

PART NUMBER

SNS1

FLT1

VO1

PG1

SS1

CT1

(Note)

GT1

ISL6173 (28 LD QFN) TOP VIEW

Evaluation Platform

ISL6173DRZ 0 to +85 28 Ld 5x5 QFN L28.5x5

MARKING

PART

RANGE

TEMP.

(°C)

Data Sheet

Tape & Reel

PACKAGE

(Pb-Free)

SNS2

VO2

SS2

GT2

FLT2

PG2

CT2

L28.5x5

DWG. #

PKG.

1-888-INTERSIL or 1-888-468-3774

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Features

• Fast Current Regulation amplifier quickly responds to

• Less than 1µs response Time to Dead Short

• Programmable Current Regulation Level and Duration

• Two Levels of Overcurrent Detection Provide Fast

• Overcurrent Circuit Breaker and Fault Isolation functions

• Adjustable Current Regulation Threshold as low as 20mV

• Selectable Latch-off or Auto Retry Response to Fault

• Adjustable voltage ramp-up for In-rush Protection During

• Rail Independent Control, Monitoring and Reporting I/O

• Dual Supply Hot Swap Power Distribution Control to <1V

• Charge Pump Allows the use of N-Channel MOSFETs

• QFN Package:

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

• Power Supply Sequencing, Distribution and Control

• Hot Swap/Electronic Breaker Circuits

V1(in)

V2(in)

overcurrent fault conditions

Response to Varying Fault Conditions

conditions

Turn-On

- Compliant to JEDEC PUB95 MO-220

- Near Chip Scale Package footprint, which improves

QFN - Quad Flat No Leads - Package Outline

PCB efficiency and has a thinner profile

January 3, 2006

All other trademarks mentioned are the property of their respective owners.

Intersil (and design) is a registered trademark of Intersil Americas Inc.

FIGURE 1. TYPICAL APPLICATION

RTR/LTCH

CPVDD

BIAS

CPQ+

CPQ-

PGND

GND

CT1 CT2 VS2

EN1 EN2

VS1

ISL6173

Rsns1

Rsns2

SNS1

SNS2 GT2 VO2

GT1 VO1

OCREF

FLT1

FLT2

UV1

PG1

PG2

UV2

SS1

SS2

ISL6173

FN9186.3

V1(out)

V2(OUT)

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