Datasheet > SGM8193

SGM8193

更新时间： 2023-09-03 20:25:06

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
17页	1011K
描述
Tiny Packages, Nano-Power, Precision Current-Sense Amplifier

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SGM8193 数据手册

SGM8193

Tiny Packages, Nano-Power,

Precision Current-Sense Amplifier

GENERAL DESCRIPTION

FEATURES

The SGM8193 series is a nano-power, high precision,

high-side current-sense amplifier. The device consumes

only 1.2μA (MAX) quiescent current. It features a 60μV

(MAX) low offset voltage, which allows for 12-bit

resolution at a very low 50mV full-scale current

measurement. The device can sense the voltage

across a current-sense resistor in a common mode

voltage range from 1.6V to 28V. The SGM8193 series

provides four fixed gains: 25V/V, 50V/V, 100V/V and

200V/V, which allows flexible selection of the external

current-sense resistor.

● Ultra-Low Quiescent Current: 1.2μA (MAX)

● Input Common Mode Range: 1.6V to 28V

● Low Input Offset Voltage: 60μV (MAX)

● Choice of Gains:

 SGM8193A0 Gain: 25V/V

 SGM8193A1 Gain: 50V/V

 SGM8193A2 Gain: 100V/V

 SGM8193A3 Gain: 200V/V

● Low Gain Error: ±0.4% (MAX)

● Voltage Output

● -40℃ to +125℃ Operating Temperature Range

● Available in Green SOT-23-5 and WLCSP-1×1-4B

Packages

The SGM8193 is available in Green SOT-23-5 and

WLCSP-1×1-4B packages. The tiny packages make

the device an excellent choice for portable and battery-

powered applications, where the size is limited. The

SGM8193 is rated over the -40 ℃ to +125 ℃

temperature range.

APPLICATIONS

Portable Equipment

Battery-Powered Equipment

Mobile Phones

Laptops

Personal Digital Assistants

Power Management

TYPICAL APPLICATION

V_BATT= 1.6V to 28V

I_LOAD

V_DD= 3.3V

μc

RS+

R₁

R_SENSE

OUT

ADC

RS-

R₁

R_OUT

GND

SGM8193

LOAD

Figure 1. Typical Application Circuit

SG Micro Corp

MAY 2023–REV. A. 1

www.sg-micro.com

12 3 4 5 6 7...17

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