SP Amp Current Sense Amp Single 5.5V 8-Pin VSSOP T/R Automotive AEC-Q100

LMP8602QMM/NOPB – Automotive Current Sense Amplifier – Texas Instruments

The LMP8602QMM/NOPB from Texas Instruments is an AEC-Q100 qualified current sense amplifier designed for precise low-voltage current monitoring in demanding automotive and industrial systems. This high-reliability IC delivers accurate measurements with minimal power consumption, making it ideal for battery management, motor control, and power supply diagnostics. PCX ensures genuine Texas Instruments components with same-day shipping and dedicated technical support.

Key Features

• AEC-Q100 Certified: Fully compliant for automotive applications
• Wide Supply Voltage: 3V to 5.5V operation
• Low Quiescent Current: Only 1.1mA consumption
• High Accuracy: 150µV input offset voltage
• Extended Temperature Range: -40°C to +125°C
• Surface-Mount Package: 8-VSSOP (3.00mm width)

Technical Details

This single-channel current sense amplifier features a 60kHz gain bandwidth product and 0.83V/µs slew rate for responsive signal processing. With ultra-low input bias current (0.04pA) and 48mA output drive capability, it maintains signal integrity in noisy environments. The device supports bidirectional current sensing and includes built-in protection against reverse battery conditions.

Typical Applications

• Automotive battery management systems (BMS)
• Motor control and overload protection circuits
• Power supply load monitoring
• Industrial equipment current sensing
• Solar inverter current feedback systems

About Texas Instruments

Texas Instruments (TI) is a global semiconductor leader with over 90 years of innovation in analog and embedded processing technologies. Their components are renowned for precision engineering, reliability, and adherence to stringent automotive standards. TI’s automotive-grade products undergo rigorous qualification processes to ensure performance in extreme conditions.

As pioneers in current sensing solutions, TI invests heavily in R&D to deliver cutting-edge signal conditioning ICs. Their LMP® series amplifiers set industry benchmarks for accuracy and power efficiency, trusted by automotive OEMs and industrial equipment manufacturers worldwide for mission-critical applications.

About Current Sense Amplifiers

Current sense amplifiers are specialized operational amplifiers that accurately measure current flow by converting small voltage drops across shunt resistors into amplified output signals. Unlike standard op-amps, they feature high common-mode rejection ratios (CMRR) to maintain accuracy despite voltage fluctuations in power rails.

These ICs are fundamental in power management systems for real-time current monitoring, overload protection, and energy efficiency optimization. Their ability to operate in high-voltage environments while detecting minute current changes makes them indispensable in automotive electronics, industrial automation, and renewable energy systems where safety and precision are paramount.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® packaging. Note: This product has Last Time Buy status – contact PCX for availability verification.

FAQs

Q: Is this IC suitable for 12V automotive systems?
A: Yes, the 5.5V maximum supply range and AEC-Q100 qualification make it ideal for 12V automotive applications.

Q: Can it measure bidirectional currents?
A: Absolutely, the LMP8602 supports bidirectional current sensing with its rail-to-rail output capability.

Q: What’s the difference between standard and automotive-grade ICs?
A: Automotive-grade components undergo extended temperature testing (-40°C to +125°C) and stricter quality controls per AEC-Q100 standards.

Q: How does input offset voltage affect accuracy?
A: The ultra-low 150µV offset minimizes measurement error, especially critical when sensing small currents via low-value shunts.

Q: Is evaluation hardware available?
A: Yes, Texas Instruments offers development boards – contact PCX for application support.

Q: Why choose current sense amplifiers over regular op-amps?
A: They provide superior common-mode rejection, wider input voltage tolerance, and optimized performance for low-side/high-side sensing.

⚠️ Note: Product images are representational. Refer to datasheet for exact specifications.
Download Full Datasheet

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