Datasheet > TP181

TP181

更新时间： 2024-10-02 17:00:55

品牌	Logo	应用领域
思瑞浦 - 3PEAK		/
页数	文件大小	规格书
11页	494K
描述
Zero-Drift, Bi-directional Current Sense Amplifier

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TP181 数据手册

TP181

Zero-Drift, Bi-directional Current Sense Amplifier

Features

Description

◼

Voltage Offset: ±100 uV (MAX)

The TP181 series of zero-drift, bi-directional current sense

amplifiers can sense voltage drops across shunts at common-

mode voltages from –0.3 V to 36 V, independent of the supply

voltage. Three fixed gains are available: 50 V/V, 100 ,V/V, and

200 V/V. The low offset of the zero-drift architecture enables

current sensing with maximum drops across the shunt as low

as 10 mV full-scale.

Wide Common-Mode Voltage: -0.3 V to +36 V

Supply Voltage: 2.7 V to +30 V

Accuracy and Zero-Drift Performance

◆

±1 % Gain Error (Max over temperature)

0.5-μV/°C Offset Drift (Max)

10ppm/°C Gain Drift (Max)

◼

Three Gain Options for Voltage Output

TP181 devices operate from a single +2.7-V to 30-V

power supply, with drawing a typical of 120 uA of supply

current. All versions are specified from –40°C +125°C, and

offered in the SC70-6 package.

◆

TP181A1: 50 V/V

TP181A2: 100 V/V

TP181A3: 200 V/V

◼

Low Supply Current: 120 uA (TYP)

Rail-to-Rail Output

GAIN OPTIONS TABLE

Package: SC70-6

Product

Gain

R3 and R4

R1 and R2

Industrial –40°C to 125°C Operation Range

ESD Rating: Robust 2 KV – HBM, 2 KV – CDM

Higher Performance Drop-In Compatible with

INA213, INA214, INA199, NCS199 Products

TP181A1

TP181A2

TP181A3

20kΩ

10kΩ

5kΩ

1MΩ

100

200

Applications

(

)

푉_푂푈푇= 퐼_퐿푂퐴퐷× 푅_{푆퐻푈푁푇}퐺ꢀ퐼ꢁ + 푉_ꢂ퐸퐹

◼

Current Sensing (High−Side/Low−Side)

Battery Chargers

Power Management

Cell Phone Charger

Electrical Cigarette

Wireless Charger

Telecom Equipment

Reference

voltage

R_SHUNT

Application schematic

Supply

Load

Output

REF

OUT

R₁

R₃

IN-

GND

IN+

+2.7V to +30V

V+

R₂

R₄

C_BYPASS

0.01µF

to 0.1µF

Pin Configuration

www.3peak.com

Rev.A.3

1/ 11

12 3 4 5 6 7...11

中文翻译

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