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The TSC1021 measures a small differential voltage on a high-side shunt resistor and translates it into a ground-referenced output voltage.
The TSC1021 has been specifically designed for automotive conditions: load-dump protection up to 60 V, reverse-battery protection up to -32 V, ESD protection up to 4 kV and internal filtering for EMI performance.
Input common-mode and power supply voltages are independent: the common-mode voltage can range from 2.8 to 30 V in operating conditions and up to 60 V in absolute maximum ratings while the TSC1021 can be supplied by a 5 V independent supply line.
The TSC1021 is housed in a tiny TSSOP8 package and integrates a buffer that provides low impedance output to ease interfacing and avoid accuracy losses. The overall device current consumption is lower than 300 µA.Key Features
- Wide common-mode operating range independent of supply: 2.8 V to 30 V
- Wide common-mode survival range: -32 V to 60 V (reversed battery and load-dump conditions)
- Maximum input offset voltage:
- ±1.5 mV for Tamb= 25 °C
- ±2.3 mV for -40 °C < Tamb < 125 °C
- Maximum total output voltage error:
- ±1.5 % for Tamb= 25 °C
- ±2.5 % for -40 °C < Tamb < 125 °C
- Maximum variation over temperature:
- dVos/dT = 8 µV/°C
- dVout/dT = 100 ppm/°C
- Low current consumption: ICCmax = 300 µA
- -40 °C to 125 °C operating temperature range
- Internally fixed gain: 20 V/V, 50 V/V
- EMI filtering
Sample & Buy
| Part Number | Package | Packing Type | Temperature (°C) | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | More info | Order from Distributors | Order from ST | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| TSC1021AIPT | TSSOP-8 | Tape And Reel | -40 | 125 | Active | 0.65 | 1000 | EAR99 | MOROCCO | Check Availability | Buy now | |
| TSC1021BIPT | TSSOP-8 | Tape And Reel | -40 | 125 | Active | 0.65 | 1000 | EAR99 | MOROCCO | Check Availability | Buy now | |
| TSC1021BIYPT | TSSOP-8 | Tape And Reel | -40 | 125 | Active | 0.78 | 1000 | EAR99 | MOROCCO | Check Availability | Get sample | |
| TSC1021AIYPT | TSSOP-8 | Tape And Reel | -40 | 125 | Active | 0.78 | 1000 | EAR99 | MOROCCO | Check Availability | Get sample | |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
Development Tools
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Picture Part number Manufacturer Description 
ST-OPAMPS-APP ST Operational amplifier and comparator application for smartphones and tablets Part NumberOperational amplifier and comparator application for smartphones and tablets
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| TSC1021AIPT | Active | TSSOP-8 | Industrial | Ecopack3 | |
| TSC1021AIYPT | Active | TSSOP-8 | Automotive | Ecopack3 | |
| TSC1021BIPT | Active | TSSOP-8 | Industrial | Ecopack3 | |
| TSC1021BIYPT | Active | TSSOP-8 | Automotive | Ecopack3 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
