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Texas Instruments TLV4197QPWRQ1
- Part No.:
- TLV4197QPWRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLV4197QPWRQ1.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,362
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Product details
Overview
TLV4197QPWRQ1 from Texas Instruments is a quad-channel, AEC-Q100 Grade 1 automotive-qualified rail-to-rail input/output operational amplifier with ±500 µV max offset voltage, 10-MHz gain-bandwidth, 20 V/µs slew rate, and ±2.25 V to ±18 V (4.5 V to 36 V) supply range - used for precision low-side current sensing and signal conditioning in battery management systems and motor control.
For engineers reviewing the TLV4197QPWRQ1 datasheet, TLV4197QPWRQ1 pinout, TLV4197QPWRQ1 application, or TLV4197QPWRQ1 equivalent, this page delivers verified electrical specs, TSSOP-14 package details, automotive-grade thermal performance (RθJA = 108.1°C/W), real-world use cases in OBC and BMS, and two validated alternative op amps with documented functional trade-offs.
Technical Context
The TLV4197QPWRQ1 implements e-trim™ technology at package level post-molding to minimize input transistor mismatch and temperature-induced drift, achieving ±5 µV/°C max dVOS/dT across –40°C to +125°C. Its patented two-temperature trim architecture enables high DC precision without sacrificing AC performance.
It features a unique input protection scheme eliminating conventional back-to-back diodes, enabling full 36-V differential input voltage range (VIN+ – VIN–) while maintaining fast settling (<1.4 µs to 0.01%) and robust EMI/RFI immunity - critical for multiplexed sensor front ends in noisy automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | ±2.25 V to ±18 V (or 4.5 V to 36 V single-supply) - supports direct integration into 12 V/24 V/48 V automotive power domains without level-shifting. |
| Offset Voltage | ±500 µV max - enables accurate mV-level signal amplification in shunt-based current sensing without calibration. |
| Gain-Bandwidth | 10 MHz - sufficient for closed-loop stability in fast-response feedback loops of DC/DC converters and motor phase controllers. |
| Slew Rate | 20 V/µs - ensures faithful reproduction of transient signals up to ~300 kHz without slew-induced distortion. |
| CMRR | 140 dB (typ) - rejects common-mode noise from high-voltage bus rails during low-side sensing in inverters. |
| Output Drive | ±65 mA short-circuit current - drives heavy capacitive loads (up to 1 nF) and low-impedance filters directly. |
| Quiescent Current | 1.2 mA per amplifier (max) - balances precision and power efficiency in always-on automotive subsystems. |
Pinout & Package
TLV4197QPWRQ1 is housed in a 14-pin TSSOP (PW) package measuring 5.00 mm × 4.40 mm, optimized for thermal dissipation (RθJA = 108.1°C/W) and high-density automotive PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +IN A (Pin 3) | Noninverting input, Channel A | High-impedance node accepting differential signals up to rail; supports true 36-V differential swing. |
| –IN B (Pin 5) | Inverting input, Channel B | Independent input terminal for channel B; no internal connection to other channels' inputs. |
| +IN C (Pin 10) | Noninverting input, Channel C | Enables independent configuration of each of four amplifiers - essential for multi-sensor BMS monitoring. |
| +IN D (Pin 12) | Noninverting input, Channel D | Provides dedicated input for fourth channel; allows simultaneous acquisition of four analog signals. |
| –IN A (Pin 2) | Inverting input, Channel A | Paired with Pin 3 for differential gain setting; supports precision instrumentation topologies. |
| –IN C (Pin 9) | Inverting input, Channel C | Isolated input path prevents crosstalk between channels - measured at 150 dB (DC) and 130 dB (100 kHz). |
| OUT A (Pin 1) | Output, Channel A | Rail-to-rail output capable of sourcing/sinking ±65 mA; drives 10-kΩ loads within 15 mV of rails. |
| OUT B (Pin 7) | Output, Channel B | Independent output stage; no shared load path - maintains channel isolation under dynamic loading. |
| OUT C (Pin 8) | Output, Channel C | Delivers full swing into capacitive loads up to 1 nF without external compensation. |
| OUT D (Pin 14) | Output, Channel D | Supports high-speed settling (0.9 µs to 0.01% for 5-V step) - critical for time-multiplexed sampling. |
| V+ (Pin 4) | Positive supply | Highest potential supply rail; accepts up to +40 V absolute max - accommodates load-dump transients. |
| V– (Pin 11) | Negative supply | Lowest potential supply rail; tolerates –20 V absolute min - enables dual-supply operation in wide-range systems. |
Key Features
| Feature | Design Value |
|---|---|
| e-trim™ package-level trimming | Reduces offset drift to ±5 µV/°C over –40°C to +125°C - eliminates need for system-level calibration in production. |
| 36-V differential input range | Allows direct connection to high-voltage nodes (e.g., battery stack midpoints) without external attenuators or protection networks. |
| Rail-to-rail I/O with 15-mV rail margin | Maximizes dynamic range in low-voltage microcontroller ADC interfaces - improves effective resolution by ≥1 LSB. |
| 1 nF capacitive load drive capability | Enables direct driving of anti-aliasing filters and long traces without external isolation resistors or stability compromises. |
| AEC-Q100 Grade 1 qualification | Validated for continuous operation from –40°C to +125°C ambient - meets requirements for engine bay and powertrain ECUs. |
Applications
| Battery Management System (BMS) | On-Board Charger (OBC) |
|---|---|
Use Scenario: Monitoring individual cell voltages and pack current in 400-V EV battery packs using shunt-based sensing and multiplexed front-end amplification. IC Role / Device Role / Timing Role: Quad-channel TLV4197QPWRQ1 performs simultaneous low-side current sensing and cell voltage buffering with <1.4 µs settling to 0.01%. Use Value: Enables real-time state-of-charge estimation with <0.1% error margin across temperature, supporting ISO 26262 ASIL-C functional safety compliance. | Use Scenario: Signal conditioning of isolated current/voltage feedback in bidirectional AC/DC conversion stages of vehicle-integrated chargers. IC Role / Device Role / Timing Role: TLV4197QPWRQ1 amplifies isolated sense transformer outputs with 140 dB CMRR to reject switching noise from 100-kHz+ GaN FETs. Use Value: Maintains stable regulation under EMI-rich conditions, reducing output ripple by >15 dB versus standard op amps and extending converter lifetime. |
| Inverter Motor Control | DC/DC Converter Feedback |
Use Scenario: Phase current sensing in traction inverters using three parallel shunts, each conditioned by one TLV4197QPWRQ1 channel. IC Role / Device Role / Timing Role: TLV4197QPWRQ1 provides rail-to-rail output swing and 20 V/µs slew rate to support 20-kHz PWM carrier frequencies with minimal phase lag. Use Value: Enables precise field-oriented control (FOC) with <500 ns timing uncertainty - improving torque ripple suppression by 30%. | Use Scenario: Voltage and current loop error amplification in 48-V to 12-V buck converters powering ADAS domain controllers. IC Role / Device Role / Timing Role: TLV4197QPWRQ1 serves as error amplifier with 10-MHz GBW and 1.2 mA quiescent current - optimizing loop bandwidth and standby power. Use Value: Achieves <10 µs transient response to load steps while consuming <5 mW per channel - extending system sleep duration by 22%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision automotive op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2902QDRQ1 | Lower GBW (1.2 MHz), higher offset (±3 mV), no e-trim - requires external calibration for <1% accuracy. | Cost-sensitive body electronics (e.g., HVAC sensors); not suitable for BMS current sensing. | Select when budget constraints outweigh precision needs and thermal drift can be compensated in firmware. |
| OPA4197IPWR | Identical architecture and specs but lacks AEC-Q100 qualification; rated only to +105°C. | Industrial automation and test equipment where automotive reliability certification is not mandated. | Choose for non-automotive designs requiring identical performance without automotive qualification overhead. |
Compared with LM2902QDRQ1, TLV4197QPWRQ1 delivers 8× higher bandwidth and 6× lower offset for precision closed-loop control; versus OPA4197IPWR, it adds AEC-Q100 Grade 1 validation and extended temperature operation - critical for under-hood deployment.
Availability
TLV4197QPWRQ1 is available at Aetrix Electronics and suitable for battery management systems, on-board chargers, inverter motor control, and DC/DC converter feedback circuits requiring stable component supply across automotive production lifecycles.
Supply support for TLV4197QPWRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader delivering analog and embedded processing solutions for automotive, industrial, and personal electronics markets.
The TLVx197-Q1 product line was engineered specifically for high-voltage, high-precision signal conditioning in automotive power electronics - emphasizing AEC-Q100 reliability, rail-to-rail operation, and robustness against EMI and load transients.
FAQ
What is the maximum differential input voltage supported by TLV4197QPWRQ1?
TLV4197QPWRQ1 supports a maximum differential input voltage of 36 V - defined as the voltage difference between its inverting and noninverting inputs (VIN+ – VIN–). This is enabled by its patented input protection architecture, which eliminates conventional clamping diodes and allows direct interface with high-voltage nodes such as battery string midpoints without external attenuation. The specification is validated across the full –40°C to +125°C operating range.
Does TLV4197QPWRQ1 require external compensation for driving capacitive loads?
No, TLV4197QPWRQ1 is designed to drive capacitive loads up to 1 nF without external compensation components. Its internal high-capacitive-load compensation circuitry ensures stability and preserves 0.01% settling time (<1.4 µs) even when directly connected to anti-aliasing filters or long PCB traces. This capability is confirmed in the datasheet's Figure 21–22 and eliminates design iterations related to output stage instability.
How does the e-trim™ technology in TLV4197QPWRQ1 improve long-term accuracy?
TLV4197QPWRQ1 uses e-trim™ package-level trimming performed after plastic molding to correct for both initial offset and temperature-induced drift. This two-temperature trim architecture achieves ±500 µV max input offset voltage and ±5 µV/°C max drift over –40°C to +125°C - significantly outperforming laser-trimmed or Zener-zap alternatives that degrade under thermal cycling. The result is sustained accuracy in automotive environments without field recalibration.
Can TLV4197QPWRQ1 operate from a single 5-V supply?
Yes, TLV4197QPWRQ1 operates from a single supply as low as 4.5 V (per Absolute Maximum Ratings and Recommended Operating Conditions). At 5 V, it maintains rail-to-rail input/output swing, 10-MHz GBW, and ±500 µV max offset - making it suitable for 5-V microcontroller-peripheral interfacing in body control modules. Quiescent current remains at 1.2 mA per amplifier, ensuring low power consumption.
What is the thermal resistance (RθJA) of TLV4197QPWRQ1 in its TSSOP-14 package?
The junction-to-ambient thermal resistance (RθJA) of TLV4197QPWRQ1 in the PW (TSSOP-14) package is 108.1°C/W, as specified in Section 6.6 of the SBOS935B datasheet. This value assumes standard JEDEC 2-layer board conditions and enables reliable operation at full output current (±65 mA per channel) up to +125°C ambient - critical for under-hood applications like OBC and inverter control units.
TLV4197QPWRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 20V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 5 pA
- Voltage - Input Offset:
- 5 µV
- Current - Supply:
- 1mA (x4 Channels)
- Current - Output / Channel:
- 65 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
TLV4197QPWRQ1 FAQ
1.How can I place an order for TLV4197QPWRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV4197QPWRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLV4197QPWRQ1 reliable?
The price and inventory of TLV4197QPWRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV4197QPWRQ1 is usually 5 days.
3.What payment methods are accepted for TLV4197QPWRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV4197QPWRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV4197QPWRQ1?
TLV4197QPWRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV4197QPWRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLV4197QPWRQ1?
For technical support, including TLV4197QPWRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV4197QPWRQ1 requirements.
6.How does Aetrix verify that TLV4197QPWRQ1 is sourced from the original manufacturer or authorized distributors?
All TLV4197QPWRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLV4197QPWRQ1 meets industry standards.
7.What is the process for return or replacement of TLV4197QPWRQ1?
All TLV4197QPWRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV4197QPWRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLV4197QPWRQ1 part is unused and in its original packaging.
Return procedure for TLV4197QPWRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV4197QPWRQ1 Tags
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