TP181A3-CR

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. 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 to +125°C, and offered in the SC70 - 6 package.

Applications

• Current Sensing (High−Side/Low−Side)
• Battery Chargers
• Power Management
• Cell Phone Charger
• Electrical Cigarette
• Wireless Charger Telecom Equipment

Key features

• Voltage Offset: ±100 uV (MAX)
• Wide Common - Mode Voltage: -0.3 V to +36 V
• Supply Voltage: 2.7 V to +30 V
• ±1% Gain Error (Max over temperature)
• 0.5 - μV/°C Offset Drift (Max)
• 10 ppm/°C Gain Drift (Max)
• Three Gain Options for Voltage Output: 50 V/V, 100 V/V, 200 V/V
• Low Supply Current: 120 uA (TYP)
• Rail - to - Rail Output
• 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