INA199C1DCKR

INA199C1DCKR is a Texas Instruments high-side current-sense monitor (INA199 family). It measures the voltage drop across a low-value shunt resistor in series with a load and converts it into an output voltage proportional to the load current. It also includes a fast overcurrent comparator/fault indicator for protection and quick signaling of excessive current. The device operates from a single supply and is suitable for applications like DC-DC converters, battery management, and motor drivers, where precise current monitoring and/or protection is needed. The C1DCKR suffix indicates the specific RoHS-compliant, tape-and-reel package variant (typical 8-pin). For exact electrical specs (gain, input common-mode range, output scale, and comparator behavior), refer to the INA199C1DCKR datasheet.

INA199C1DCKR is a high-side current-sense monitor. Key features (concise):
- Measures across an external shunt resistor (high-side sensing)
- Wide input/common-mode range suitable for automotive voltages (high voltage on Vin+ to Vin−)
- Differential shunt voltage is small (tens of mV range) and amplified for output
- Output is a current proportional to the sensed voltage; requires an external resistor to convert to a voltage
- Single-supply operation with low quiescent current
- Fast response with good CMRR/offset performance for accurate sensing
- 8-pin DCKR package (RoHS)
- Ideal for automotive power management, battery monitoring, and load-current sensing
Note: For exact numbers (common-mode limits, gain, quiescent current, temperature range), refer to the specific datasheet.

- Pin count: 8 pins (DCKR is an 8-pin package, MSOP/VSSOP style).
- Function: High-side current-sense amplifier. It senses voltage across a shunt resistor via IN+ and IN−, amplifies it, and outputs a voltage proportional to the sensed current. It includes a reference (REF) to set the output baseline and a shutdown/enable (SHDN/EN) control, plus power (V+) and ground (GND) pins. For exact pin mapping, refer to the INA199C1 datasheet.

- Manufacturer: Texas Instruments Incorporated (TI)
- What kind of company: An American multinational semiconductor designer and manufacturer, specializing in analog and mixed-signal integrated circuits (ICs), sensors, and embedded processing devices.

INA199C1DCKR is a high-side current-sense amplifier. Typical application areas include:
- Automotive power management (ECUs, battery packs, load current sensing)
- Industrial motor control and drive systems
- Power-supply regulation and DC-DC converter monitoring
- Battery-management systems and protection circuits
- Overcurrent protection and fault-detection for power paths
- Renewable energy inverters, solar controllers, energy metering
- General high-side current measurement in high-voltage systems
It’s well suited for accurate current sensing across a wide common-mode range with a simple external resistor network.

An 8-pin VSSOP (Very Small Outline Package) variant, specifically the DCKR version.