SBOA300A June 2018 – December 2020 INA181 , INA181-Q1 , INA186 , INA186-Q1 , INA190 , INA190-Q1 , INA199 , INA199-Q1 , INA210 , INA210-Q1 , INA211 , INA211-Q1 , INA212 , INA212-Q1 , INA213 , INA213-Q1 , INA214 , INA214-Q1 , INA215 , INA215-Q1 , INA2181 , INA2181-Q1 , INA4181 , INA4181-Q1
Design References
See Analog Engineer's Circuit Cookbooks for TI's comprehensive circuit library.
Circuit SPICE simulation File: http://proddms.itg.ti.com/fnview/sboc518
Getting Started with Current Sense Amplifiers video series: https://training.ti.com/getting-started-current-sense-amplifiers
Current Sense Amplifiers on TI.com: http://www.ti.com/amplifier-circuit/current-sense/products.html
For direct support from TI Engineers use the E2E community: http://e2e.ti.com
Design Featured Current Sense Amplifier
| INA214C | |
|---|---|
| Vs | 2.7 V to 26 V |
| Vcm | GND-0.1 V to 26 V |
| Vout | GND-0.3V to Vs+0.3 V |
| Vos | ±1µV typical |
| Iq | 65µA typical |
| Ib | 28µA typical |
| http://www.ti.com/product/INA214 | |
Design Alternate Current Sense Amplifiers
| INA199C | |
|---|---|
| Vs | 2.7 V to 26 V |
| Vcm | GND-0.1 V to 26 V |
| Vout | GND-0.3 V to Vs+0.3 V |
| Vos | ±5µV typical |
| Iq | 65µA typical |
| Ib | 28µA typical |
| http://www.ti.com/product/INA199 | |
| INA181 | |
|---|---|
| Vs | 2.7 V to 5.5 V |
| Vcm | GND-0.2 V to 26 V |
| Vout | GND-0.3 V to Vs+0.3 V |
| Vos | ±100µV typical |
| Iq | 65µA typical |
| Ib | 195µA typical |
| http://www.ti.com/product/INA181 | |
| Revision | Date | Change |
|---|---|---|
| A | December 2020 | Changed step three from "At the minimum current of 4A" to "At the minimum current of -4A" |