Datasheet > HIP1011ACB

HIP1011ACB

更新时间： 2024-09-27 22:33:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		控制器 PC
页数	文件大小	规格书
11页	123K
描述
PCI Hot Plug Controller

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HIP1011ACB 数据手册

HIP1011A

Data Sheet

March 2000

File Number 4631.3

PCI Hot Plug Controller

Features

The HIP1011A is the second PCI Hot Plug Voltage bus

control IC from Intersil. A drop-in alternative to the widely

used HIP1011, the HIP1011A has the same form, ﬁt and

function but additionally features an adjustable latch-off time

of the MOSFET switches and fault reporting.

• Adjustable Delay Time for Turn-Off and Fault Reporting

• Controls All PCI Supplies: +5V, +3.3V, +12V, -12V

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

• µP Interface for On/Off Control and Fault Reporting

• Adjustable Overcurrent Protection for All Supplies

• Provides Fault Isolation

Like the HIP1011, the HIP1011A creates a small and simple

yet complete power control solution with discrete power

MOSFETs and a few passive components. Four

independent supplies are controlled, +5V, +3.3, +12V, and

-12V. The +12V and -12V switches are integrated. For the

+5V and +3.3V supplies, overcurrent (OC) protection is

provided by sensing the voltage across external current-

sense resistors. For the +12V and -12V supplies OC

protection is provided internally. In addition, an on-chip

reference is used to monitor the +5V, +3.3V and +12V

outputs for undervoltage (UV) conditions. The PWRON input

controls the state of the switches. During an OC condition on

any output, or a UV condition on the +5V, +3.3V or +12V

outputs, a LOW (0V) is asserted on the FLTN output and all

MOSFETs are latched-off. The time to FLTN signal going

LOW and MOSFET latch-off is determined by a single

capacitor from the FLTN pin to ground. This added feature

allows the system OS to complete housekeeping activities in

preparation for an unplanned shut down of the affected card.

The FLTN latch is cleared when the PWRON input is toggled

low again. During initial power-up of the main VCC supply

(+12V), the PWRON input is inhibited from turning on the

switches, and the latch is held in the Reset state until the

VCC input is greater than 10V.

• Adjustable Turn-On Slew Rate

• Minimum Parts Count Solution

• No Charge Pump

Applications

• PCI Hot Plug

• CompactPCI

Ordering Information

TEMP.RANGE

PKG.

NO.

PART NUMBER

HIP1011ACB

( C)

PACKAGE

16 Ld SOIC

0 to 70

M16.15

HIP1011ACB-T

Tape and Reel

Pinout

HIP1011A

(SOIC)

TOP VIEW

User programmability of the overcurrent threshold, fault

reporting response time, latch-off response time and turn-on

slew rate is provided. A resistor connected to the OCSET pin

programs the OC threshold. A capacitor may be added to

the FLTN pin to adjust both the delay time to reporting a fault

and the latch-off of the supplies after an OC or UV event.

Capacitors connected to the gate pins set the turn-on rate. In

addition the HIP1011A has also been enhanced to tolerate

spurious system noise.

M12VO

M12VG

M12VIN

FLTN

3V5VG

14 12VG

13 GND

12 12VO

11 5VISEN

10 5VS

12VIN

3VISEN

3VS

OCSET

PWRON

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

12 3 4 5 6 7...11

中文翻译

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