TS1103-50EG6T

Instrumentation, Op Amps, Buffer Amps Overview

The TS1103-50EG6T is a bidirectional precision current-sense amplifier from Silicon Labs, designed for high-side sensing applications. It features an ultra-low supply current of 1µA and a wide input common-mode voltage range from +2V to +27V. The device provides a low input offset voltage of 200µV (max) and a gain error of 0.6% (max). This specific model offers a fixed voltage gain of 50V/V. It includes a SIGN comparator digital output to indicate current flow direction and operates over an extended temperature range of -40°C to +105°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Bidirectional high-side current sensing with integrated SIGN comparator for direction indication
• Ultra-low power consumption with 1µA supply current suitable for battery-powered systems
• Wide input common-mode voltage range supporting voltages from +2V to +27V
• High accuracy performance with low input offset voltage and minimal gain error

Instrumentation, Op Amps, Buffer Amps Applications

• Notebook Computers
• Power Management Systems
• Portable/Battery-Powered Systems
• Smart Chargers
• Smart Phones

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the complete part number including the suffix 'EG6T' to ensure correct packaging and lead-free compliance. Confirm that the required gain matches the '-50' designation, as other variants exist within the family. Check datasheet specifications for absolute maximum ratings to prevent damage during installation. Ensure PCB layout follows Kelvin connection recommendations for optimal accuracy.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when bidirectional current monitoring is required in space-constrained designs. The 50V/V gain option balances signal amplification with input voltage swing limitations. Consider the 1µA quiescent current for strict energy efficiency requirements. Verify that the system's minimum RS+ voltage accommodates the required output swing at full-scale load current.

Instrumentation, Op Amps, Buffer Amps Part Context

The TS1103-50EG6T belongs to the TS1101 family of bidirectional current-sense amplifiers manufactured by Silicon Laboratories. It utilizes a 6-lead SOT23 package, making it suitable for PCB-area-critical applications. The device is self-powered from the sense resistor terminals and integrates internal filtering to minimize noise effects without external components.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct substitutes include other members of the TS1103 family with different gain settings: TS1103-25EG6T (25V/V), TS1103-100EG6T (100V/V), and TS1103-200EG6T (200V/V). These parts share identical pinouts, packaging, and electrical characteristics except for the internal gain setting.