sales@hkmjd.com
Service Telephone:86-755-83294757
Trade Name:INA239AQDGSRQ1
Data Manual:INA239AQDGSRQ1.pdf
Brand:TI
Particular Year:23+
Package:VSSOP-10
Delivery Date:New and Original
Stock: 1698pcs
The INA239AQDGSRQ1 is an ultra-precision digital power monitor with a 16-bit Δ-Σ ADC designed for current-sense applications. The device measures ±163.84mV or ±40.96mV full-scale differential inputs across a resistive shunt sense element with common mode voltage support ranging from -0.3V to +85V.
The INA239AQDGSRQ1 reports current, bus voltage, temperature, and power while performing the required calculations in the background. The integrated temperature sensor provides ±1°C accuracy for die temperature measurement and can be used to monitor the system ambient temperature.
Features
- Meets AEC-Q100 standard for automotive applications:
- Temperature class 1: -40°C to +125°C, TA
- Provides functional safety
- Documentation to aid in functional safety system design
- High-resolution, 16-bit Δ-Σ ADCs
- Current monitoring accuracy:
- Offset: ±5µV (max)
- Temperature drift: ±0.02µV/°C (max)
- Gain error: ±0.1% (max)
- Gain error drift: ±25ppm/°C (max)
- Common mode rejection: 140dB (min)
- Power monitoring accuracy:
- 0.7% full scale, -40°C to +125°C (max)
- Fast alarm response: 75μs
- Wide common-mode range: -0.3 V to +85 V
- Bus voltage sense input: 0 V to 85 V
- Shunt full scale differential range: ±163.84 mV/±40.96 mV
- Input bias current: 2.5 nA (max)
- Temperature sensor: ±1°C (max. at 25°C)
- Programmable conversion time and average value calculation
- 10MHz SPI communication interface
- Operates from a 2.7V to 5.5V supply:
- Operating current: 640µA (typical)
- Shutdown current: 5µA (maximum)
Applications
- Automotive battery management systems
- EV/HEV A-KA sensing applications
- DC/DC converters and power inverters
- ADAS domain controllers
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