Model No: INA186A1QDBVRQ1
Texas Instruments INA186A1QDBVRQ1
Manufacturer: Texas Instruments
SEMICON NO.: INA186A1QDBVRQ1
Package: SOT-23-5
Stock: In stock
Description: Current Sense Amplifier 25V/V 500pA 45kHz
SEMICON NO.: INA186A1QDBVRQ1
Package: SOT-23-5
Stock: In stock
Description: Current Sense Amplifier 25V/V 500pA 45kHz
Quantity :
| Mfr | Texas Instruments |
| Device Type | High-Precision Current Sense Amplifier |
| Gain Option (A1 Variant) | 25 V/V |
| Common-Mode Voltage | –0.2 V to +40 V |
| Input Bias Current | 500 pA (Typical) |
| Input Offset Voltage | ±50 µV (Max) |
| Input Offset Voltage Drift | 0.5 µV/°C (Max) |
| Common-Mode Rejection Ratio (CMRR) | 120 dB (Min) |
| Gain Error | ±1% (Max) |
| Gain Drift | 10 ppm/°C (Max) |
| -3dB Bandwidth | 45 kHz |
| Supply Voltage | 1.7 V to 5.5 V |
| Quiescent Current | 48 µA (Typical) |
| Maximum Supply Current | 90 µA |
| Operating Temperature | –40°C to +125°C |
| Package | SOT-23-5 |
| Mounting Type | Surface Mount |
| Compliance | RoHS Compliant |
The INA186A1QDBVRQ1 is an AEC-Q100 qualified automotive-grade high-precision current sense amplifier from Texas Instruments, housed in an ultra-compact SOT-23-6 surface-mount package. It supports 2.7V to 26V wide common-mode input voltage range, features fixed 20V/V gain, and delivers industry-leading ultra-low 15µV input offset voltage, making it a robust, space-saving high-accuracy current monitoring solution for 12V automotive systems and compact industrial power applications.
Key Features and Highlights
● Full AEC-Q100 Automotive Qualification: Temperature Grade 1 rated for -40°C to +125°C ambient operating range, fully compliant with strict automotive electronic reliability standards for in-vehicle deployment.
● Ultra-Low 15µV Input Offset Voltage: Extremely low input offset error enables accurate low-current measurement with very small shunt resistor values, reducing system power dissipation and thermal stress.
● 2.7V to 26V Wide Common-Mode Range: Natively handles 12V automotive system normal operation and transient voltage conditions, supporting both high-side and low-side current sensing without extra protection circuits.
● High 114dB Minimum CMRR: Exceptionally high common-mode rejection ratio suppresses large common-mode noise in automotive power lines, delivering clean, stable current measurement readings even in noisy electrical environments.
● Full AEC-Q100 Automotive Qualification: Temperature Grade 1 rated for -40°C to +125°C ambient operating range, fully compliant with strict automotive electronic reliability standards for in-vehicle deployment.
● Ultra-Low 15µV Input Offset Voltage: Extremely low input offset error enables accurate low-current measurement with very small shunt resistor values, reducing system power dissipation and thermal stress.
● 2.7V to 26V Wide Common-Mode Range: Natively handles 12V automotive system normal operation and transient voltage conditions, supporting both high-side and low-side current sensing without extra protection circuits.
● High 114dB Minimum CMRR: Exceptionally high common-mode rejection ratio suppresses large common-mode noise in automotive power lines, delivering clean, stable current measurement readings even in noisy electrical environments.
Frequently Asked Questions (FAQ)
Q: Can this device measure very low milliamp-level currents accurately?
A: Yes, its ultra-low 15µV offset voltage enables accurate milliamp-level current measurement even with small-value shunt resistors, minimizing system power loss.
Q: Can this device measure very low milliamp-level currents accurately?
A: Yes, its ultra-low 15µV offset voltage enables accurate milliamp-level current measurement even with small-value shunt resistors, minimizing system power loss.
Compatible Alternative current sense amplifier List
1. INA186A2QDBVRQ1: The 50V/V fixed gain automotive variant of the INA186, offering higher gain for ultra-low current high-sensitivity measurement scenarios.
2. AD8217BRMZ: An Analog Devices automotive-grade current sense amplifier, serving as a fully pin-compatible cross-vendor second-source alternative with equivalent 26V common-mode rating.
3. INA187A1QDBVRQ1: TI's enhanced high-voltage variant, supporting 36V common-mode input for 24V commercial vehicle and industrial system current monitoring applications.
4. MAX9922KAUA+T: A Maxim high-precision current sense amplifier, featuring unidirectional dedicated high-side sensing for low-cost automotive battery monitoring system designs.
1. INA186A2QDBVRQ1: The 50V/V fixed gain automotive variant of the INA186, offering higher gain for ultra-low current high-sensitivity measurement scenarios.
2. AD8217BRMZ: An Analog Devices automotive-grade current sense amplifier, serving as a fully pin-compatible cross-vendor second-source alternative with equivalent 26V common-mode rating.
3. INA187A1QDBVRQ1: TI's enhanced high-voltage variant, supporting 36V common-mode input for 24V commercial vehicle and industrial system current monitoring applications.
4. MAX9922KAUA+T: A Maxim high-precision current sense amplifier, featuring unidirectional dedicated high-side sensing for low-cost automotive battery monitoring system designs.
