TS1101-50EG6

Instrumentation, Op Amps, Buffer Amps Overview

The TS1101-50EG6 is a bidirectional high-side current-sense amplifier featuring a fixed gain of 50 V/V. It operates within a supply voltage range of 1.25 V to 5.5 V and supports a common-mode input range from 2 V to 27 V. The device consumes a typical supply current of 0.68 µA and specifies an input offset voltage of up to 100 µV at 25 °C. It includes a SIGN comparator output for direction detection and functions across temperatures from -40 °C to +105 °C in a 6-lead SOT-23 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Bidirectional high-side current sensing with integrated SIGN comparator for flow direction indication
• Self-powered operation utilizing the common-mode voltage range without separate supply requirements
• Internal second-order differential low-pass filter providing noise immunity without external components

Instrumentation, Op Amps, Buffer Amps Applications

• Power management systems
• Battery monitoring circuits
• Smart chargers
• Overcurrent and undercurrent detection

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix EG6 corresponds to the 6-lead SOT-23 package configuration. Confirm that the bidirectional functionality aligns with system requirements, as unidirectional variants exist within the same family. Ensure the selected gain matches the expected sense resistor voltage drop for optimal accuracy.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when bidirectional measurement capability is required alongside low power consumption. The 50 V/V gain suits applications where moderate sense voltages are acceptable. Verify that the minimum system voltage exceeds the required headroom for the output swing relative to the chosen load current.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the TS1101 series of uni- and bidirectional current-sense amplifiers manufactured by Silicon Labs. It shares architectural similarities with the TS1100, TS1102, and TS1103 models but is distinguished by its bidirectional output and specific gain setting.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

TS1101-25EG6, TS1101-100EG6, TS1101-200EG6

Instrumentation, Op Amps, Buffer Amps FAQ

How does the SIGN output indicate current direction?

The SIGN output is logic high when current flows from RS+ to RS- (M1 conducting) and logic low when current flows from RS- to RS+ (M2 conducting).

Is an external power supply required for the TS1101-50EG6?

No, the device is self-powered by drawing current from the RS+ and RS- terminals, although the SIGN comparator requires connection to the system logic VDD.