PMCS1100A2QDR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
PMCS1100A2QDR is a precision isolated current sensor with analog voltage output and external reference input, housed in an 8-pin SOP package measuring 4.9 mm x 3.9 mm. It provides galvanic isolation for accurate current measurement in motor drives, power converters, and industrial sensing applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- PMCS1100A2QDR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Precision isolated current sensing with analog voltage output
- External reference input for flexible output scaling
- 8-pin SOP package (4.9 mm x 3.9 mm body)
- Galvanic isolation for high-voltage current measurement
- Analog voltage output for direct ADC interfacing
- Surface-mount plastic/epoxy body for reflow assembly
- Introduced 2019 for modern industrial sensing designs
Applications
PMCS1100A2QDR is used in motor drive inverters, DC-DC converter feedback loops, and industrial power monitoring systems where galvanically isolated current sensing is required for safety and noise immunity. It is also applied in solar inverters and battery management systems to measure high-side or bus currents with an analog output that interfaces directly with microcontroller ADC inputs.
Specifications
| Date Of Intro | 2019-09-13 |
| YTEOL | 0 |
| Body Breadth | 3.895mm |
| Body Height | 1.75mm |
| Body Length or Diameter | 4.905mm |
| Mounting Feature | SURFACE MOUNT |
| Output | ANALOG |
| Output Type | ANALOG VOLTAGE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape/Style | RECTANGULAR |
| Sensors/Transducers Type | CURRENT SENSOR |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Surface Mount | YES |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PMCS1100A2QDR:
Frequently Asked Questions
How does the external reference input on PMCS1100A2QDR affect its output voltage range?
The external reference input allows the designer to set the output midpoint voltage independently, enabling the analog output to be centered on any reference within the device's operating range. This flexibility is useful when the downstream ADC input has a fixed reference other than half of the supply, preventing signal clipping at the output for bidirectional current measurements in motor control and power conversion circuits.
For a 600 V motor drive inverter, why is the galvanic isolation in PMCS1100A2QDR important?
In a 600 V motor drive, the phase current shunt sits at bus potential, which can be hundreds of volts above the controller ground. Galvanic isolation in PMCS1100A2QDR keeps the analog output referenced to a low-voltage controller ground, protecting the MCU and operator from the high-voltage rail while still providing an accurate current measurement with an analog voltage output compatible with standard 3.3 V or 5 V ADC inputs.
What is the body size of PMCS1100A2QDR, and does it fit a standard SOP-8 land pattern?
The PMCS1100A2QDR has a body length of 4.905 mm and a body breadth of 3.895 mm, with a height of 1.75 mm. This corresponds to the SOP-8 0.25-inch pitch package equivalence code (SOP8,.25), which fits standard 8-pin SOP PCB land patterns used in power analog and sensor designs, enabling drop-in compatibility with most EDA footprint libraries.
Can PMCS1100A2QDR be used in a solar inverter to monitor DC bus current?
Yes, PMCS1100A2QDR is well suited for solar inverter DC bus current monitoring. The isolated analog output allows the device to measure current on a high-voltage DC bus without tying the measurement ground to the bus, enabling safe interfacing to a microcontroller operating at 3.3 V or 5 V. The precision analog voltage output provides a clean, scalable signal for the inverter's MPPT control loop.
How does PMCS1100A2QDR compare to a Hall-effect current sensor in terms of output type and PCB footprint?
Both PMCS1100A2QDR and Hall-effect sensors provide analog voltage outputs with galvanic isolation, but PMCS1100A2QDR uses a precision sensing architecture referenced to an external voltage, offering tighter offset and gain accuracy. Its 8-pin SOP body at 4.9 mm x 3.9 mm is similarly compact to standard Hall-effect packages, and it avoids the magnetic hysteresis errors that can affect Hall sensors measuring high DC currents in motor and power applications.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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