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TMCS1108A2BQDRQ1 +BOM
AEC-Q100, ±100-V isolated Hall-effect current sensor with internal reference
SOIC8-
Produttore:
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ProduttorePart #:
TMCS1108A2BQDRQ1
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Scheda dati:
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Series:
Automotive, AEC-Q100
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For Measuring:
AC/DC
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Sensor Type:
Hall Effect
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Current - Sensing:
±22.5A
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EDA/CAD Modelli:
Disponibilità: 7948 PZ
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TMCS1108A2BQDRQ1 Descrizione generale
The TMCS1108-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 <3% 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 100-V functional 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 multiple sensitivity options. Fixed sensitivity allows the TMCS1108-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 TMCS1108-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.
Caratteristiche principali
- AEC-Q100 qualified for automotive applications
- Temperature Grade 1: –40°C to 125°C, TA
- Functional Safety-Capable
- Documentation available to aid functional safety system design
- Total error: ±1% typical, ±3% maximum, –40°C to 125°C
- Sensitivity error: ±0.9%
- Offset error: 40 mA
- Offset drift: 0.2 mA/°C
- Linearity error: 0.5%
- Multiple sensitivity options:
- TMCS1108A1B/U -Q1: 50 mV/A
- TMCS1108A2B/U -Q1: 100 mV/A
- TMCS1108A3B/U -Q1: 200 mV/A
- TMCS1108A4B/U -Q1: 400 mV/A
- Zero drift internal reference
- Bidirectional and unidirectional current sensing
- Operating supply range: 3 V to 5.5 V
- Signal bandwidth: 80 kHz
- Robust 100-V galvanic isolation
Specifiche
Category | Sensors, TransducersCurrent Sensors | Series | Automotive, AEC-Q100 |
For Measuring | AC/DC | Sensor Type | Hall Effect |
Current - Sensing | ±22.5A | Number of Channels | 1 |
Output | Ratiometric, Voltage | Sensitivity | 100mV/A |
Frequency | 80kHz | Linearity | ±0.5% |
Accuracy | - | Voltage - Supply | 3V ~ 5.5V |
Response Time | 6.5µs | Current - Supply (Max) | 6mA |
Operating Temperature | -40°C ~ 125°C (TA) | Polarization | Bidirectional |
Mounting Type | Surface Mount |
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