HIP1011BCB-T【PDF 1/9 页】IC CTRLR HOT PLUG PCI 16-SOIC

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FN4640.5

HIP1011B

PCI Hot Plug Controller

The HIP1011B, the third product in the HIP1011 family, is an

electronic circuit breaker that monitors, reports and protects

circuits from excessive load currents. As a pin-for-pin drop-in

alternative offering similar functionality to the widely used

HIP1011, the HIP1011B is compatible with CompactPCI

peripheral boards and PCI Hot Plug systems where voltage

health monitoring and reporting are centralized by the

system controller IC. The HIP1011B does not monitor nor

respond to under voltage conditions thus making control of a

wide range of voltages possible.

The HIP1011B creates a small and simple yet complete

power control solution to control the four independent

supplies (+5V, +3.3V, +12V, and -12V) found in PCI and

CompactPCI systems. For the +12V and -12V supplies,

overcurrent protection is provided internally with integrated

current sensing FET switches. For the +5V and +3.3V

supplies, overcurrent protection is provided by sensing the

voltage across the external current-sense resistors. The

PWRON input controls the state of both internal and external

switches. During an overcurrent condition on any output, all

MOSFETs are latched-off and a LOW (0V) is asserted on

the FLTN output. The FLTN latch is cleared when the

PWRON input is toggled low again. During initial power-up of

the main V

supply (+12V), the PWRON input is inhibited

from turning on the switches, and the latch is held in the

Reset state until the V

input is greater than 10V.

User programmability of the overcurrent threshold, response

time and turn-on slew rate is provided. A resistor connected

to the OCSET pin programs the overcurrent thresholds. A

capacitor may be added to the FLTN pin to adjust the fault

reporting and power-supply latch-off response times after an

over-current event. Capacitors connected to the gate pins

determine the turn-on rate.

Features

" Allows for System Centralized Voltage Monitoring

" Adjustable Delay to Fault Notification and Latch-Off

" Controls Four Supplies: +5V, +3.3V, +12V, and -12V

" Internal MOSFET Switches for +12V and -12V Outputs

" 礟 Interface for On/Off Control and Fault Reporting

" Adjustable Overcurrent Protection for All Supplies

" Provides Overcurrent Fault Isolation

" Adjustable Turn-On Slew Rate

" Minimum Parts Count Solution

" No Charge Pump

" Pb-Free Available (RoHS Compliant)

Applications

" PCI Hot Plug

" CompactPCI

Pinout

HIP1011B

(SOIC)

TOP VIEW

Ordering Information

PART NUMBER

TEMP. RANGE

(

PACKAGE

PKG.

DWG. #

HIP1011BCB

0 to 70

16 Ld SOIC

M16.15

HIP1011BCB-T

0 to 70

Tape and Reel

HIP1011BCBZA

(See Note)

0 to 70

16 Ld SOIC

(Pb-free)

M16.15

HIP1011BCBZA-T

(See Note)

0 to 70

Tape and Reel (Pb-free)

NOTE: Intersil Pb-free 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-020C.

M12VIN

FLTN

3V5VG

12VIN

3VISEN

OCSET

3VS

M12VO

12VG

GND

12VO

M12VG

5VISEN

5VS

PWRON

Data Sheet

November 18, 2004

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

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

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

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