HIP6501 Intersil Corporation, HIP6501 Datasheet

HIP6501

Manufacturer Part Number

HIP6501

Description

Triple Linear Power Controller with ACPI Control Interface

Manufacturer

Intersil Corporation

Datasheet

1.HIP6501.pdf (14 pages)

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Triple Linear Power Controller with ACPI

Control Interface

The HIP6501A, paired with either the HIP6020 or HIP6021,

simpliﬁes the implementation of ACPI-compliant designs in

microprocessor and computer applications. The IC

integrates two linear controllers and a low-current pass

transistor, as well as the monitoring and control functions

into a 16-pin SOIC package. One linear controller generates

the 3.3V

5VSB output during sleep states (S3, S4/S5), powering the

PCI slots through an external pass transistor, as instructed

by the status of the 3.3V

transistor is used to switch in the ATX 3.3V output for PCI

operation during S0 and S1 (active) operatingstates. The

second linear controller supplies the computer system’s

2.5V/3.3V memory power through an external pass

transistor in active states. During S3 state, an integrated

pass transistor supplies the 2.5V/3.3V sleep-state power. A

third controller powers up a 5V

the ATX 5V output in active states, or the ATX 5VSB in sleep

states.

The HIP6501A’s operating mode (active-state outputs or

sleep-state outputs) is selectable through two control pins:

S3 and S5. Further control of the logic governing activation

of different power modes is offered through two enabling

pins: EN3VDL and EN5VDL. In active states, the 3.3V

linear regulator uses an external N-Channel pass MOSFET

to connect the output (V

supplied by an ATX (or equivalent) power supply, while

incurring minimal losses. In sleep state, the 3.3V

is supplied from the ATX 5VSB through an NPN transistor,

also external to the controller. Active state power delivery for

the 2.5/3.3V

transistor, or an NMOS switch for the 3.3V setting. In sleep

states, conduction on this output is transferred to an internal

pass transistor. The 5V

external MOS transistors. In sleep states, a PMOS (or PNP)

transistor conducts the current from the ATX 5VSB output,

while in active states, current ﬂow is transferred to an NMOS

transistor connected to the ATX 5V output. Similar to the

3.3V

dictated not only by the status of the S3 and S5 pins, but that

of the EN5VDL pin as well.

Ordering Information

HIP6501ACB

HIP6501EVAL1

PART NUMBER

DUAL

output, the operation of the 5V

MEM

voltage plane from an ATX power supply’s

output is done through an external NPN

Evaluation Board

RANGE (

TEMP.

0 to 70

DUAL

OUT1

output is powered through two

) directly to the 3.3V input

enable pin. An additional pass

DUAL

16 Ld SOIC

Data Sheet

PACKAGE

plane by switching in

DUAL

output is

DUAL

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

M16.15

PKG.

output

NO.

DUAL

Features

• Provides 3 ACPI-Controlled Voltages

• Simple Control Design - No Compensation Required

• Excellent Output Voltage Regulation

• Fixed Output Voltages Require No Precision External

• Small Size

• Selectable 2.5V

• Under-Voltage Monitoring of All Outputs with Centralized

• Adjustable Soft-Start Function Eliminates 5VSB

Pinout

- 5V Active/Sleep (5V

- 3.3V Active/Sleep (3.3V

- 2.5V/3.3V Active/Sleep (2.5V

- 3.3V

- 2.5V/3.3V Output: 2.0% Over Temperature; Both

Resistors

- Small External Component Count

- 2.5V for RDRAM Memory

- 3.3V for SDRAM Memory

FAULT Reporting

Perturbations

States Only

Operational States (3.3V setting in sleep only)

February 2000

DUAL

3V3DLSB

EN3VDL

EN5VDL

3V3DL

5VSB

GND

Output: 2.0% Over Temperature; Sleep

MEM

HIP6501A (SOIC)

Output Voltage Via FAULT/MSEL Pin

DUAL

TOP VIEW

DUAL

)

File Number

)

MEM

)

FAULT/MSEL

VSEN2

DRV2

12V

5VDL

5VDLSB

DLA

HIP6501A

4749.2

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