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Texas Instruments TLV9154QPWRQ1
- Part No.:
- TLV9154QPWRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLV9154QPWRQ1.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:6,034
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Product details
Overview
TLV9154QPWRQ1 from Texas Instruments is a quad-channel, AEC-Q100 Grade 1 automotive operational amplifier with rail-to-rail input/output, ±125µV offset voltage, 4.5MHz gain-bandwidth, and 21V/µs slew rate - designed for precision current sensing and signal conditioning in HEV/EV inverters and ADAS sensor interfaces.
For engineers reviewing the TLV9154QPWRQ1 datasheet, TLV9154QPWRQ1 pinout, TLV9154QPWRQ1 application, or TLV9154QPWRQ1 equivalent, key selection criteria include its 120dB CMRR at 1kHz, 10.8nV/√Hz input noise at 1kHz, ±75mA output drive, EMI-hardened inputs, and operation across –40°C to +125°C ambient.
Technical Context
The TLV9154QPWRQ1 implements a high-precision bipolar-input op amp architecture with dual-stage compensation enabling stable unity-gain operation while maintaining 4.5MHz bandwidth and 60° phase margin into 20pF loads. Its input stage integrates EMI/RFI filters on both IN+ and IN– pins, delivering measured EMIRR >70dB at 400MHz and >50dB at 2.4GHz.
Each of the four independent amplifiers supports rail-to-rail common-mode input range (V– – 0.1V to V+ + 0.1V), delivers ±75mA output current, and features robust overload recovery (<400ns) and no phase reversal under overdrive - critical for fault-tolerant automotive feedback loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 4.5MHz - enables stable closed-loop operation up to 100kHz with G = 45, suitable for motor current loop control. |
| Slew rate | 21V/µs - supports fast transient response in battery voltage monitoring and OBC feedback paths. |
| Input offset voltage | ±125µV (typ) - ensures <1mV error in 8-bit ADC-based current sensing with 50mV full-scale shunt voltage. |
| Input voltage noise | 10.8nV/√Hz at 1kHz - preserves SNR in low-level sensor signal chains like wheel speed or position sensing. |
| Common-mode rejection | 120dB at DC - rejects battery rail fluctuations in high-side current sensing configurations. |
| Supply range | 2.7V to 16V - operates directly from automotive 12V system without LDO, reducing BOM count. |
| Quiescent current | 560µA per amplifier - enables always-on diagnostics in body control modules with <2.3mA total for all four channels. |
Pinout & Package
TLS9154QPWRQ1 is packaged in a 14-pin TSSOP (PW) with 5mm × 6.4mm footprint, optimized for thermal dissipation in automotive PCB layouts with internal copper planes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1+, IN2+, IN3+, IN4+ | Noninverting input (x4) | Accepts signals up to V– – 0.1V or V+ + 0.1V; EMI-filtered for robustness in noisy engine bays. |
| IN1–, IN2–, IN3–, IN4– | Inverting input (x4) | Differential pair inputs with 6TΩ || 1pF common-mode impedance; enable precision transimpedance designs. |
| OUT1, OUT2, OUT3, OUT4 | Amplifier output (x4) | Delivers ±75mA sink/source; rail-to-rail swing within 5mV of rails at no load (16V supply). |
| V+ | Positive supply | Connects to main 12V rail or regulated 5V; supports supply sequencing with V– powered first. |
| V– | Negative supply | Ground reference or negative rail; must be established before V+ to avoid latch-up. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for continuous operation from –40°C to +125°C ambient, meeting automotive powertrain reliability requirements. |
| Rail-to-rail input and output | Enables direct interface with 0–3.3V ADCs and full utilization of 12V battery-sensed signals without level-shifting. |
| EMI-hardened inputs | Integrated R-C filters on all IN+ and IN– pins provide >70dB rejection at 400MHz, reducing need for external shielding. |
| Low offset drift | ±0.3µV/°C - limits temperature-induced error to <37.5µV over full automotive range, improving long-term calibration stability. |
| High output current | ±75mA per channel - drives 2kΩ loads to rail without droop, supporting active filter stages and LED driver biasing. |
Applications
| Infotainment Power Monitoring | ADAS Camera Bias Supply |
|---|---|
Use Scenario: Real-time monitoring of display backlight and processor core voltage rails in digital instrument clusters. IC Role / Device Role / Timing Role: Quad op amp configured as two differential amplifiers (high-side current sense) and two comparators (undervoltage lockout). Use Value: Single-package solution reduces layout area by 40% vs discrete dual-op-amp + comparator, while maintaining <0.5% measurement accuracy across temperature. | Use Scenario: Precision biasing and gain-setting for CMOS image sensor analog front-end in surround-view camera modules. IC Role / Device Role / Timing Role: Two channels used as programmable-gain amplifiers; two as DC-coupled buffer stages driving 50Ω coaxial traces to serializer ICs. Use Value: 10.8nV/√Hz noise floor preserves >70dB SNR at 10MHz pixel clock rates; rail-to-rail output ensures full 1.8V sensor dynamic range utilization. |
| HEV/EV Inverter Phase Current Sensing | Body Control Module Load Diagnostics |
Use Scenario: Isolated shunt-based current measurement on all three motor phases in 400V traction inverters. IC Role / Device Role / Timing Role: Each channel conditions one phase's bidirectional current signal with matched gain/offset for simultaneous sampling by MCU ADC. Use Value: ±125µV offset and 120dB CMRR suppress common-mode noise from IGBT switching transients, enabling <1% current measurement error at 500A peak. | Use Scenario: Open-wire and short-circuit detection for LED headlamp and interior lighting drivers in centralized body controllers. IC Role / Device Role / Timing Role: Configured as window comparators with internal reference; monitors voltage drop across sense resistors during PWM dimming cycles. Use Value: 21V/µs slew rate captures fast LED turn-on transients; 560µA/quadrant quiescent current enables always-on diagnostics without compromising sleep-mode battery drain. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4182QPWRQ1 | Lower offset (±4µV), higher cost, 10MHz GBW, no integrated EMI filtering | Better for ultra-precision battery cell monitoring; less robust in high-EMI inverter environments | Choose when offset drift <0.02µV/°C is mandatory and EMI environment is controlled |
| LM2902QDRQ1 | Higher offset (±3mV), lower bandwidth (1.2MHz), no rail-to-rail output, lower cost | Suitable for non-critical HVAC blower control or mirror heater feedback | Choose for cost-sensitive body electronics where 12-bit ADC resolution is sufficient |
Compared with OPA4182QPWRQ1 and LM2902QDRQ1, the TLV9154QPWRQ1 uniquely balances 4.5MHz bandwidth, ±125µV offset, EMI hardening, and quad-channel integration - making it optimal for mid-tier ADAS and electrification subsystems requiring both precision and ruggedness without premium pricing.
Availability
TLV9154QPWRQ1 is available at Aetrix Electronics and suitable for HEV/EV inverter design, ADAS sensor signal conditioning, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV9154QPWRQ1 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 company specializing in analog and embedded processing technologies, with leadership in automotive-grade analog signal chain solutions.
The TLV915x-Q1 product line was engineered specifically for AEC-Q100 Grade 1 automotive applications demanding precision, speed, and EMI resilience - including motor control, battery management, and advanced sensing subsystems.
FAQ
What is the operating temperature range for TLV9154QPWRQ1?
The TLV9154QPWRQ1 is qualified per AEC-Q100 Grade 1, with guaranteed operation from –40°C to +125°C ambient temperature. All electrical specifications - including offset voltage, CMRR, and bandwidth - are characterized across this full range, making TLV9154QPWRQ1 suitable for under-hood and powertrain applications where thermal stress is extreme.
Does TLV9154QPWRQ1 support rail-to-rail input and output simultaneously?
Yes, TLV9154QPWRQ1 supports true rail-to-rail input (V– – 0.1V to V+ + 0.1V) and rail-to-rail output (within 5mV of either rail at no load, 16V supply). This allows direct interfacing with 3.3V or 5V ADCs and full utilization of shunt voltage drops without external level-shifting circuitry - a key advantage in space-constrained automotive PCBs.
What is the maximum capacitive load TLV9154QPWRQ1 can drive stably?
TLV9154QPWRQ1 is specified to drive up to 1000pF capacitive load while maintaining ≥60° phase margin and stable step response. For loads exceeding 1000pF, a series isolation resistor (RISO ≥ 50Ω) is recommended to preserve stability - verified in Figure 5-27 and 5-28 of the official datasheet for TLV9154QPWRQ1.
How does the EMI rejection performance of TLV9154QPWRQ1 compare to standard op amps?
TLV9154QPWRQ1 integrates on-die R-C filters on all input pins, achieving >70dB EMIRR at 400MHz and >50dB at 2.4GHz - significantly exceeding unfiltered op amps like LM2902QDRQ1. This eliminates need for external ferrite beads or shielded enclosures in infotainment and ADAS modules exposed to cellular/WiFi interference.
Is TLV9154QPWRQ1 pin-compatible with other devices in the TLV915x-Q1 family?
No - TLV9154QPWRQ1 (14-pin TSSOP) is not pin-compatible with TLV9151-Q1 (5-pin SOT-23) or TLV9152-Q1 (8-pin SOIC/TSSOP). Pin mapping is unique to each channel count variant. However, all TLV915x-Q1 devices share identical electrical behavior, AC/DC specs, and functional pin roles (e.g., IN+, IN–, OUT, V+, V–), simplifying schematic reuse across designs.
TLV9154QPWRQ1 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:
- 21V/µs
- Gain Bandwidth Product:
- 4.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 pA
- Voltage - Input Offset:
- 125 µV
- Current - Supply:
- 560µA (x4 Channels)
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
TLV9154QPWRQ1 FAQ
1.How can I place an order for TLV9154QPWRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV9154QPWRQ1 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 TLV9154QPWRQ1 reliable?
The price and inventory of TLV9154QPWRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV9154QPWRQ1 is usually 5 days.
3.What payment methods are accepted for TLV9154QPWRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV9154QPWRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV9154QPWRQ1?
TLV9154QPWRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV9154QPWRQ1 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 TLV9154QPWRQ1?
For technical support, including TLV9154QPWRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV9154QPWRQ1 requirements.
6.How does Aetrix verify that TLV9154QPWRQ1 is sourced from the original manufacturer or authorized distributors?
All TLV9154QPWRQ1 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 TLV9154QPWRQ1 meets industry standards.
7.What is the process for return or replacement of TLV9154QPWRQ1?
All TLV9154QPWRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV9154QPWRQ1, 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 TLV9154QPWRQ1 part is unused and in its original packaging.
Return procedure for TLV9154QPWRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV9154QPWRQ1 Tags
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LM358DT
STMicroelectronics
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LM358DR
Texas Instruments
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LM2904DR
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LM358ADR
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MCP6006T-E/OT
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MCP6006UT-E/OT
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LM324PWR
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LM2902PWR
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LM2902DR
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LM358P
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