TS1103

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© 2014 Silicon Laboratories, Inc. All rights reserved.

FEATURES

♦ Ultra-Low Supply Current: 1μA

♦ Wide Input Common Mode Range: +2V to +27V

♦ Low Input Offset Voltage: 200μV (max)

♦ Low Gain Error: 0.6% (max)

♦ Voltage Output

♦ Four Gain Options Available:

TS1103-25: Gain = 25V/V

TS1103-50: Gain = 50V/V

TS1103-100: Gain = 100V/V

TS1103-200: Gain = 200V/V

♦ 6-Lead SOT23 Packaging

APPLICATIONS

Notebook Computers

Power Management Systems

Portable/Battery-Powered Systems

Smart Chargers

Smart Phones

DESCRIPTION

The TS1103 is the latest addition to the TS1101

family

of

bidirectional

current-sense

amplifiers.

Consuming a very low 1

μA supply current, the

TS1103 high-side current-sense amplifiers combine a

cost-sensitive

applications.

For

all

high-side

bidirectional

current-sensing

applications,

the

TS1103s are self-powered and feature a wide input

common-mode voltage range from 2V to 27V. A

SIGN comparator digital output is also provided that

indicates the direction of current flow depending on

the external connections to the TS1103’s RS+ and

RS- input terminals.

The SOT23 package makes the TS1103 an ideal

choice for pcb-area-critical, supply-current-conscious,

high-accuracy

current-sense

applications

in

all

battery-powered and portable instruments.

All TS1103s are specified for operation over the

-40°C to +105°C extended temperature range.

TYPICAL APPLICATION CIRCUIT

PART

GAIN OPTION

TS1103-25

25 V/V

TS1103-50

50 V/V

TS1103-100

100 V/V

TS1103-200

200 V/V