TMCS1101A1BQDRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TMCS1101A1BQDRQ1 is an AEC-Q100 automotive-grade precision isolated Hall-effect current sensor with analog voltage bridge output in a surface-mount 8-SOIC package measuring 4.9 x 3.9 x 1.5 mm. It delivers high-accuracy isolated current measurement for EV and industrial applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TMCS1101A1BQDRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4850(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 automotive-grade precision Hall-effect current sensing
- Isolated analog voltage bridge output for noise-immune measurement
- Compact 8-SOIC surface-mount package (4.9 mm x 3.9 mm x 1.5 mm)
- High galvanic isolation supporting high-voltage automotive rails
- RoHS-compliant Pb-free construction (JESD-609 e3)
- Supports wide temperature range for underhood automotive use
Applications
The TMCS1101A1BQDRQ1 is designed for automotive battery management systems, EV traction inverters, and on-board chargers where precise isolated current measurement is required on high-voltage rails exceeding 100 V. It also fits industrial servo drives and power supply feedback loops demanding accurate, galvanically isolated current sensing with an analog voltage output compatible with standard 12-bit or 16-bit ADC inputs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Body Breadth | 3.9mm |
| Body Height | 1.5mm |
| Body Length or Diameter | 4.9mm |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Output | BRIDGE |
| Output Type | ANALOG VOLTAGE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape/Style | RECTANGULAR |
| Screening Level | AEC-Q100 |
| Sensors/Transducers Type | CURRENT SENSOR |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TMCS1101A1BQDRQ1:
Frequently Asked Questions
How does the TMCS1101A1BQDRQ1 provide galvanic isolation in current measurement?
The TMCS1101A1BQDRQ1 uses a Hall-effect sensing element to measure the magnetic field generated by current flowing through the conductor, providing galvanic isolation between the high-voltage current path and the analog voltage output signal. This isolation protects the 3.3 V or 5 V signal chain from high-voltage automotive rails while delivering accurate current readings.
Which automotive qualification does this current sensor meet, and what does that imply for use in EVs?
The device is AEC-Q100 qualified, meaning it has passed automotive reliability tests including temperature cycling from -40°C to 150°C, humidity bias, and electrostatic discharge screening. For EV traction inverter and battery management applications, AEC-Q100 qualification is a mandatory procurement requirement that ensures the sensor survives 15-year automotive field lifetimes without premature failure.
What type of output does the TMCS1101A1BQDRQ1 produce, and how is it connected to an MCU?
The sensor produces an analog voltage bridge output proportional to the measured current. A microcontroller with a 12-bit or 16-bit ADC can directly sample this output without additional signal conditioning. The output swings from near ground to near supply (typically 3.3 V or 5 V), with mid-supply representing zero current, enabling bidirectional current measurement in motor drive and power converter feedback loops.
How does the package size of the TMCS1101A1BQDRQ1 benefit space-constrained automotive PCBs?
The 8-SOIC package measures 4.9 mm x 3.9 mm with a 1.5 mm body height, providing a very compact footprint for an isolated current sensor. This small size allows it to be placed close to the shunt or bus bar on automotive ECU boards where PCB area near high-current connectors is limited to a few square centimeters.
Can the TMCS1101A1BQDRQ1 measure AC current in an on-board charger, and what bandwidth should be expected?
Yes. The TMCS1101A1BQDRQ1 can measure both AC and DC currents. Hall-effect sensors in this class typically support bandwidths of 80 kHz to 120 kHz, covering the fundamental frequency of 50 Hz or 60 Hz mains AC as well as the higher-frequency switching harmonics at 10 kHz to 100 kHz present in PFC stages of on-board chargers operating at 3.3 kW to 22 kW power levels.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $3.7664 | $376.64 |
| 117+ | $1.7135 | $200.48 |
| 151+ | $1.6564 | $250.12 |
| 203+ | $1.4850 | $301.46 |
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