TMCS1101A3UQDRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TMCS1101A3UQDRQ1 is an automotive-grade AEC-Q100 precision isolated current sensor with analog voltage output and galvanic isolation, housed in a 4.9 mm × 3.9 mm surface-mount plastic package. It provides high-accuracy current measurement in 400 V+ isolated systems. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TMCS1101A3UQDRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.2500(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
- Galvanically isolated current sensing with analog voltage output enabling safe measurement in high-voltage systems up to 400 V isolation
- Automotive AEC-Q100 qualification with 15-year YTEOL for reliable use in EV battery management and motor drive applications
- Compact 4.9 mm × 3.9 mm × 1.5 mm surface-mount package with Pb-free e3 finish for automated PCB assembly
Applications
The TMCS1101A3UQDRQ1 is designed for isolated AC and DC current measurement in automotive systems such as EV traction inverters, on-board chargers, and high-voltage battery management units where galvanic isolation from high-voltage rails is mandatory. Its analog voltage output bridges directly to MCU ADC inputs, enabling real-time overcurrent protection and energy metering in motor control and power conversion designs.
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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What type of output does TMCS1101A3UQDRQ1 produce and how does it connect to a microcontroller?
The TMCS1101A3UQDRQ1 produces an analog voltage output proportional to measured current, using a bridge output configuration. This connects directly to a microcontroller ADC input without need for additional signal conditioning, simplifying system design for current monitoring in isolated automotive power stages operating at high voltages.
What isolation voltage does TMCS1101A3UQDRQ1 provide and why is that critical in EV designs?
The TMCS1101A3UQDRQ1 provides galvanic isolation rated for high-voltage systems, supporting safe measurement across high-side current paths in EV battery packs and inverters where bus voltages exceed 400 V. This isolation protects the low-voltage microcontroller domain from the high-voltage power domain, meeting automotive safety requirements.
Is TMCS1101A3UQDRQ1 qualified for automotive environments and what is its expected service life?
Yes, the TMCS1101A3UQDRQ1 carries AEC-Q100 automotive qualification with a 15-year YTEOL (years to end of life), making it suitable for long-lifecycle automotive designs. Its plastic surface-mount package measuring 4.9 mm × 3.9 mm × 1.5 mm withstands automotive thermal cycling and vibration conditions.
How does TMCS1101A3UQDRQ1 compare to shunt-resistor current sensing in high-voltage motor drives?
Unlike shunt-resistor sensing which requires the measurement circuit to be at the same potential as the high-voltage rail — demanding expensive isolated amplifiers and differential circuits — TMCS1101A3UQDRQ1 integrates the isolation barrier into 1 compact package. This reduces BOM by eliminating 3 to 5 external isolation components and simplifies PCB layout by removing the need for creepage-controlled shunt placement near high-voltage traces.
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Why Buy from FindMyChip
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 |
| 500+ | $2.6800 | $1340.00 |
| 1000+ | $2.5500 | $2550.00 |
| 2500+ | $2.2500 | $5625.00 |
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