hip9011 Intersil Corporation, hip9011 Datasheet

hip9011

Manufacturer Part Number

hip9011

Description

Engine Knock Signal Processor

Manufacturer

Intersil Corporation

Datasheet

1.HIP9011.pdf (11 pages)

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Download datasheet (246Kb)

Engine Knock Signal Processor

The HIP9011 is used to provide a method of detecting

premature detonation often referred to as “Knock or Ping” in

internal combustion engines.

The IC is shown in the Simplified Block Diagram. The chip

can select between one of two sensors, if needed for

accurate monitoring or for “V” type engines. Internal control

via the SPI bus is fast enough to switch sensors between

each firing cycle. A programmable bandpass filter

processes the signal from either of the sensor inputs. The

bandpass filter can be selected to optimize the extraction

the engine knock or ping signals from the engine

background noise. Further single processing is obtained by

full wave rectification of the filtered signal and applying it to

an integrator whose output voltage level is proportional to

the knock signal amplitude. The chip is under

microprocessor control via a SPI interface bus.

Ordering Information

Add “T” suffix for tape and reel.

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.

Simplified Block Diagram

HIP9011AB

HIP9011ABZ

(See Note)

NUMBER

PART

CH0FB

CH0IN

CH0NI

CH1FB

CH1IN

CH1NI

HIP9011AB

HIP9011ABZ

MARKING

PART

-40 to 125 20 Ld SOIC

RANGE

TEMP.

(

VMID

Data Sheet

POWER SUPPLY

BIAS CIRCUITS

PROGRAMMABLE

(Pb-free)

PACKAGE

64 STEPS

AND

STAGE

0.111

GAIN

GND

M20.3

DWG. #

PKG.

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

PROGRAMMABLE

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

BANDPASS

64 STEPS

FILTER

20kHz

Features

• Two Sensor Inputs

• Microprocessor Programmable

• Accurate and Stable Filter Elements

• Digitally Programmable Gain

• Digitally Programmable Time Constants

• Digitally Programmable Filter Characteristics

• On-Chip Crystal Oscillator

• Programmable Frequency Divider

• External Clock Frequencies up to 24MHz

• Operating Temperature Range -40

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

• Engine Knock Detector Processor

• Analog Signal Processing Where Controllable Filter

STATE MACHINE

- 4, 5, 6, 8, 10, 12, 16, 20, and 24MHz

Characteristics are Required

TEST

REGISTERS

TO SWITCHED

FULL WAVE

RECTIFIER

AND

NETWORKS

CAPACITOR

January 6, 2006

ACTIVE

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

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

PROGRAMMABLE

INTEGRATOR

32 STEPS

DIVIDER

600µs

INTERFACE

SPI

C to 125

AND HOLD

SAMPLE

OUTPUT

DRIVER

CLOCK

AND

HIP9011

FN4367.2

INT/HOLD

OSCOUT

INTOUT

OSCIN

SCK

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