HIP4081IB Intersil Corporation, HIP4081IB Datasheet

HIP4081IB

Manufacturer Part Number

HIP4081IB

Description

SOP20

Manufacturer

Intersil Corporation

Datasheets

1.HIP4081IP.pdf (18 pages)

2.HIP4081IB.pdf (18 pages)

Specifications of HIP4081IB

Date_code

04+

Current page: 1 of 18
Download datasheet (232Kb)

November 1996

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

www.intersil.com or 407-727-9207

Features

• Independently Drives 4 N-Channel FET in Half Bridge

• Bootstrap Supply Max Voltage to 95V

• Drives 1000pF Load at 1MHz in Free Air at 50

• User-Programmable Dead Time

• On-Chip Charge-Pump and Bootstrap Upper Bias

• DIS (Disable) Overrides Input Control

• Input Logic Thresholds Compatible with 5V to 15V

• Very Low Power Consumption

Applications

• Medium/Large Voice Coil Motors

• Full Bridge Power Supplies

• Class D Audio Power Ampliﬁers

• High Performance Motor Controls

• Noise Cancellation Systems

• Battery Powered Vehicles

• Peripherals

• U.P.S.

Ordering Information

Pinout

HIP4081IP

HIP4081IB

NUMBER

or Full Bridge Conﬁgurations

Rise and Fall Times of Typically 10ns

Supplies

Logic Levels

PART

RANGE (

-40 to 85

TEMP.

20 Lead Plastic DIP

20 Lead Plastic SOIC

PACKAGE

Intersil Corporation 1999

HDEL

LDEL

BHB

AHB

BHI

AHI

DIS

BLI

ALI

E20.3

M20.3

NUMBER

PKG.

C with

(PDIP, SOIC)

TOP VIEW

HIP4081

Description

The HIP4081 is a high frequency, medium voltage Full

Bridge N-Channel FET driver IC, available in 20 lead plastic

SOIC and DIP packages. The HIP4081 can drive every pos-

sible switch combination except those which would cause a

shoot-through condition. The HIP4081 can switch at fre-

quencies up to 1MHz andssssss is well suited to driving

Voice Coil Motors, high-frequency Class D audio ampliﬁers,

and power supplies.

For example, the HIP4081 can drive medium voltage brush

motors, and two HIP4081s can be used to drive high perfor-

mance stepper motors, since the short minimum “on-time”

can provide ﬁne micro-stepping capability.

Short propagation delays of approximately 55ns maximizes

control loop crossover frequencies and dead-times which

can be adjusted to near zero to minimize distortion, resulting

in rapid, precise control of the driven load.

A similar part, the HIP4080, includes an on-chip input com-

parator to create a PWM signal from an external triangle

wave and to facilitate “hysteresis mode” switching.

See Application Note AN9325 for HIP4081, Intersil Answer-

FAX, (407) 724-7800, document #99325. Intersil web home

page: http://www.semi.intersil.com

Similar part HIP4081A includes undervoltage circuitry which

does not require the circuitry shown in Figure 30 of this data

sheet.

BHO

BHS

BLO

BLS

ALS

ALO

AHS

AHO

80V/2.5A Peak, High Frequency

HIP4081

Full Bridge FET Driver

File Number

3556.7

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