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TMCS1101A2BQDRQ1
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TMCS1101A2BQDRQ1 Overview
The TMCS1101-Q1 is a galvanically isolated Hall-effect current sensor capable of DC or AC current measurement with high accuracy, excellent linearity, and temperature stability. A low-drift, temperature-compensated signal chain provides < 1.5% full-scale error across the device temperature range.
The input current flows through an internal 1.8-mΩ conductor that generates a magnetic field measured by an integrated Hall-effect sensor. This structure eliminates external concentrators and simplifies design. Low conductor resistance minimizes power loss and thermal dissipation. Inherent galvanic insulation provides a 600-V lifetime working voltage and 3-kVRMS basic isolation between the current path and circuitry. Integrated electrical shielding enables excellent common-mode rejection and transient immunity.
The output voltage is proportional to the input current with four sensitivity options. Fixed sensitivity allows the TMCS1101-Q1 to operate from a single 3-V to 5.5-V power supply, eliminates ratiometry errors, and improves supply noise rejection. The current polarity is considered positive when flowing into the positive input pin. Both unidirectional and bidirectional sensing variants are available.
The TMCS1101-Q1 draws a maximum supply current of 6 mA, and all sensitivity options are specified over the operating temperature range of –40°C to +125°C.
Features
- AEC-Q100 qualified for
automotive applications
- Temperature Grade 1: –40°C to 125°C, TA
- Functional Safety-Capable
- Total
error: ±0.51% typical, ±1.15% maximum, –40°C to
85°C
- Sensitivity error: ±0.5%
- Offset error: 9 mA
- Offset drift: 0.04 mA/°C
- Linearity error: 0.05%
- Lifetime and environmental drift: <±0.5%
- 3-kVRMS isolation rating
- Robust 600-V lifetime working voltage
- Bidirectional and unidirectional current sensing
- Zero drift internal reference
- Operating supply range: 3 V to 5.5 V
- Signal bandwidth: 80 kHz
- Multiple sensitivity options:
- TMCS1101A1B/U -Q1: 50 mV/A
- TMCS1101A2B/U -Q1: 100 mV/A
- TMCS1101A3B/U -Q1: 200 mV/A
- TMCS1101A4B/U -Q1: 400 mV/A
- Safety related certifications
- UL 1577 Component Recognition Program
- IEC/CB 62368-1
Product Parameters
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genericPartNumber
TMCS1101-Q1
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partDescription
Automotive, precision isolated current sensor with internal reference
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statusDescription
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
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packageQtyCarrier
2500|LARGE T&R
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orderablePartNumber
TMCS1101A2BQDRQ1
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statusDisplay
ACTIVE
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packageQuantity
2500
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packagePins
SOIC (D)|8
Technical Documents
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TMCS1101-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMADetails>>
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TMCS110x Layout Challenges and Best PracticesDetails>>
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Thermal Implementation Guide for In-Package Magnetic Current SensorsDetails>>
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Precision Designs with Non-Ratiometric Magnetic Current SensorsDetails>>
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Low-Drift, Precision, In-Line Isolated Magnetic Motor Current MeasurementsDetails>>
Other distributor's price
Distributor | Part # | Mfg. | Description | Price |
---|---|---|---|---|
![]() |
TMCS1101A2BQDRQ1 | Texas Instruments | Closed Loop Current Sensor AC/DC Current 5V Automotive 8-Pin SOIC T/R |
2500---$4.1410 5000---$4.1000 10000---$4.0590 15000---$4.0180 20000---$3.9780 25000---$3.9380 30000---$3.8990 50000---$3.8600 100000---$3.8210 |
![]() |
TMCS1101A2BQDRQ1 | Texas Instruments | SENSOR CURRENT HALL 22.5A 8SOIC |
1---$7.3900 5---$6.5220 10---$5.7610 25---$4.6740 50---$4.1306 100---$4.0219 500---$3.3697 1000---$3.2610 |
![]() |
TMCS1101A2BQDRQ1 | Texas Instruments | Board Mount Current Sensors Automotive, precisio n isolated current |
1---$7.3900 10---$5.7600 25---$4.6700 50---$4.1300 100---$4.0200 500---$3.3400 |
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