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TMCS1101A3UQDR +BOM

Precision isolated current sensor with internal reference

Produttore:

Texas Instruments
ProduttorePart #:

TMCS1101A3UQDR
Scheda dati:

TMCS1101A3UQDR Scheda dati (PDF)
Current Rating:

6 mA
Sensor Type:

Current Sense
Type:

Hall Effect Current Sensor
Operating Supply Voltage:

5 V
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per TMCS1101A3UQDR

TMCS1101A3UQDR Descrizione generale

The TMCS1101 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-kV_RMS 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 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 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.

Caratteristiche principali

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-kV_RMS 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: 50 mV/A
- TMCS1101A2B/U: 100 mV/A
- TMCS1101A3B/U: 200 mV/A
- TMCS1101A4B/U: 400 mV/A
Safety related certifications
- UL 1577 Component Recognition Program
- IEC/CB 62368-1

Specifiche

Product Category	Board Mount Current Sensors	Current Rating	6 mA
Sensor Type	Current Sense	Type	Hall Effect Current Sensor
Operating Supply Voltage	5 V	Response Time	6.5 us
Accuracy	0.51 %	Output Type	Analog
Series	TMCS1101	Height	1.75 mm
Length	4.81 mm	Maximum Operating Temperature	+ 125 C
Minimum Operating Temperature	- 40 C	Moisture Sensitive	Yes
Product Type	Current Sensors	Factory Pack Quantity	2500
Subcategory	Sensors	Supply Voltage - Max	5.5 V
Supply Voltage - Min	3 V	Width	3.81 mm

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