ZXCT1020E5TA Diodes Zetex, ZXCT1020E5TA Datasheet

ZXCT1020E5TA

Manufacturer Part Number

ZXCT1020E5TA

Description

IC CURRENT MONITOR 1% SOT23-5

Manufacturer

Diodes Zetex

Datasheet

1.ZXCT1020E5TA.pdf (14 pages)

Specifications of ZXCT1020E5TA

Function

Current Monitor

Sensing Method

High-Side

Accuracy

±1%

Voltage - Input

2.5 ~ 20 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

SOT-23-5, SC-74A, SOT-25

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Output

Other names

ZXCT1020E5TR

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Euro Chip Distribution

Part Number:

ZXCT1020E5TA

Quantity:

222

Current page: 1 of 14
Download datasheet (2Mb)

ZXCT1020

Low offset current output current monitor

Description

The ZXCT1020 is a precision high-side current

sense monitor. Using this type of device

eliminates the need to disrupt the ground

plane when sensing a load current.

The ZXCT1020 uses two external resistors to

set the overall voltage gain for applications

where improved accuracy at small sense

voltages is required. For fixed gain variants

Zetex offers the ZXCT1021 (G=10) and

ZXCT1022 (G=100).

The ZXCT1020 footprint follows that of the

ZXCT1021/2 with only 2 additional resistors

required:

One resistor between pins 1 and 4 for setting

transconductance, and the other between

pins 3 and 2 for setting overall gain.

Features

•

Pinout information

Ordering information

Issue 1 - August 2007

Order reference

ZXCT1020E5TA

Accurate high-side current sensing

Versatile current output scaling

2.5V - 20V operating range

25µA quiescent current

1% typical accuracy

SOT23-5 package

GND

OUT

S+

Top view

SOT23-5

Package

S-

marking

Device

1020

Preview

Current output enables the user to set the gain

via these external resistors. Using two external

resistors to set the gain ensures optimal

versatility as the transconductance can be varied

to meet the output impedance requirements of

the load that the ZXCT1020 has to drive.

The very low offset voltage enables a typical

accuracy of 3% for sense voltages of only 10mV,

giving

resistors necessary at higher currents.

The wide input voltage range of 20V down to as

low as 2.5V make it suitable for a range of

applications. With a minimum operating current

of just 25µA, combined with its SOT23-5

package make it suitable for portable battery

equipment too.

Applications

•

Typical application circuit

Status

OUT

Battery chargers

Over-current monitor

Motherboard power supply current measurement

Level translating

Programmable current source

S+

better

Reel size

(inches)

tolerances

ZXCT1020

GND

Quantity

per reel

3000

for

ZXCT1020

www.zetex.com

S-

(LOAD)

small

Tape width

(mm)

sense

Related parts for ZXCT1020E5TA

ZXCT1020E5TA Summary of contents

Page 1

... OUT 3 4 Top view Ordering information Order reference Package ZXCT1020E5TA SOT23-5 Issue 1 - August 2007 © Zetex Semiconductors plc 2007 Current output enables the user to set the gain via these external resistors. Using two external resistors to set the gain ensures optimal versatility as the transconductance can be varied to meet the output impedance requirements of the load that the ZXCT1020 has to drive ...

Page 2

Absolute maximum ratings Voltage on V with respect to GND pin B (a) (b) Voltage OUT with respect to GND pin (c) V SENSE Junction temperature Storage temperature Package power dissipation (T NOTES: (a) Subject ...

Page 3

Electrical characteristics T = 25° 15V, V amb SENSE+ B Symbol Parameter V Output voltage OUT TC[1] Output voltage temperature coefficient I Ground pin current input current input current ...

Page 4

Typical characteristics Test conditions unless otherwise stated 1. 15k . SH G Issue 1 - August 2007 © Zetex Semiconductors plc 2007 = 25° SENSE+ Supply current v Temperature ...

Page 5

Test conditions unless otherwise stated: T Gain = 10 15k . G ° ° Issue 1 - August 2007 © Zetex Semiconductors plc 2007 = 25° SENSE+ ° ° ° ° ° ° ...

Page 6

Test conditions unless otherwise stated: T Gain = 20 15k . G ° Issue 1 - August 2007 © Zetex Semiconductors plc 2007 = 25° SENSE+ ° ° ° ° ° ° ° ...

Page 7

Test conditions unless otherwise stated 15k . G Gain = 100 ° ° ° Issue 1 - August 2007 © Zetex Semiconductors plc 2007 = 25° (via SENSE+ ° ° ° ...

Page 8

Typical AC characteristics Test conditions unless otherwise stated 15k . G Gain = 10 Gain = 50 Issue 1 - August 2007 © Zetex Semiconductors plc 2007 = 25° (via SENSE+ ...

Page 9

Test conditions unless otherwise stated 100mV unless otherwise stated. SENSE Issue 1 - August 2007 © Zetex Semiconductors plc 2007 = 25°C, R =15k Various gains with constant R 9 ZXCT1020 = V (via ...

Page 10

Test conditions unless otherwise stated 100mV. SENSE Issue 1 - August 2007 © Zetex Semiconductors plc 2007 = 25°C, G=100 15k ZXCT1020 = V (via SENSE+ SH www.zetex.com ...

Page 11

Application information The ZXCT1020 has a V pin that is used to provide power to the current monitor. The maximum B voltage applied to the ZXCT1020 must be applied to this pin. The S+ and S- pins are used to ...

Page 12

Page 13

Package outline - SOT23-5 Dim. Min. A 0.90 A1 0.00 A2 0.90 b 0.20 C 0.09 D 2.70 E 2. 0.10 a° 0° Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches ...

Page 14

Definitions Product change Zetex Semiconductors reserves the right to alter, without notice, specifications, design, price or conditions of supply of any product or service. Customers are solely responsible for obtaining the latest relevant information before placing orders. Applications disclaimer The ...

Related keywords

zxct1030
zxct1009
zxct1083
zxct1032
zxct1022e5ta
zxct1022
zxct1021e5ta
zxct1021
zxct1020e5ta
zxct1020
zxct1010
zxct1008
ZXCT1020E5TA datasheet
ZXCT1020E5TA data sheet
ZXCT1020E5TA pdf datasheet
ZXCT1020E5TA component
ZXCT1020E5TA part
ZXCT1020E5TA distributor
ZXCT1020E5TA RoHS
ZXCT1020E5TA datasheet download