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STMicroelectronics TSU111HYLT
- Part No.:
- TSU111HYLT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TSU111HYLT.pdf
- Description:
- HIGH TEMPERATURE (150C) & LONG M
- Quantity:
- Payment:
- Shipping:
Inventory:2,929
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Product details
Overview
TSU111HYLT from STMicroelectronics is an AEC-Q100 qualified, high-temperature (−40 °C to +150 °C) nanopower operational amplifier in SOT23-5 package. It delivers 1.7 µA typical supply current at 1.8 V, 250 µV max. input offset voltage at 25 °C, 23 kHz gain bandwidth, rail-to-rail I/O, and 3.9 µVpp low-frequency noise - enabling precision signal conditioning in battery-constrained automotive BMS and onboard chargers.
For engineers reviewing the TSU111HYLT datasheet, TSU111HYLT pinout, TSU111HYLT application, or TSU111HYLT equivalent, this page provides verified electrical specifications, validated automotive-grade thermal performance, confirmed SOT23-5 terminal mapping, and real-world use cases in ultra-low-power sensor interfaces and high-accuracy battery monitoring circuits.
Technical Context
The TSU111HYLT employs complementary PMOS/NMOS input stages to achieve rail-to-rail input operation with common-mode range extended to (VCC−) − 0.1 V and (VCC+) + 0.1 V, eliminating phase reversal. Its CMOS architecture ensures 1 pA max. input bias current at 25 °C and 4 kV HBM ESD robustness.
Designed for nanopower systems, it maintains stable DC accuracy (600 µV max. Vio over full temperature range) and AC performance (23 kHz GBP, 79° phase margin) across 1.5–5.5 V supply, with fast overload recovery (≤900 µs) and startup time ≤1.1 ms - critical for wake-up-triggered BMS sensing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 1.7 µA typ. at 1.8 V - enables multi-year battery life in always-on monitoring nodes |
| Input Offset Voltage | 250 µV max. at 25 °C - supports <0.1% system-level accuracy without calibration |
| Gain Bandwidth Product | 23 kHz typ. - sufficient for DC–10 kHz sensor signal conditioning (e.g., thermistor, strain gauge) |
| Input Noise (0.1–10 Hz) | 3.9 µVpp - preserves resolution in low-frequency electrochemical or pressure sensing |
| Operating Temperature | −40 °C to +150 °C - qualified for under-hood automotive environments per AEC-Q100 Grade 0 |
| Rail-to-Rail I/O | Full swing from VCC− to VCC+ - maximizes dynamic range in single-supply 1.5–5.5 V systems |
| ESD Robustness | 4 kV HBM - reduces need for external protection in cost-sensitive automotive PCBs |
Pinout & Package
SOT23-5L package: 2.9 mm × 2.8 mm × 1.3 mm body, 0.95 mm pitch, surface-mount, lead-free and RoHS-compliant ECOPACK2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN+ | Non-inverting input | High-impedance node (1 pA bias) for precision sensor interface; guarded layout required |
| 2 VCC− | Negative supply | Ground reference for single-supply operation; decoupling capacitor mandatory |
| 3 IN− | Inverting input | Accepts feedback network; supports trans-impedance configuration for photodiode/EC sensors |
| 4 OUT | Amplified output | Rail-to-rail swing; drives ADC inputs or low-power comparators directly |
| 5 VCC+ | Positive supply | 1.5–5.5 V operating range; 10 nF ceramic decoupling required adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 0 qualification | Validated for automotive under-hood use up to +150 °C junction temperature |
| Ultra-low quiescent current | 1.7 µA typ. at 1.8 V enables >10-year coin-cell operation in wake-up BMS monitors |
| No phase reversal | Complementary input stage prevents output inversion during rail-to-rail common-mode transitions |
| Trans-impedance ready | 1 pA input bias current allows >100 MΩ feedback resistors for pA-level current sensing |
| Fast saturation recovery | ≤900 µs recovery from rail saturation avoids false triggers in comparator-mode wake-up circuits |
Applications
| Battery Management System (BMS) | Onboard Charger (OBC) |
|---|---|
Use Scenario: Detects microampere-level charge/discharge currents to trigger MCU wake-up and state-of-charge calculation. IC Role / Device Role / Timing Role: Precision current-sense amplifier in shunt-based monitoring path with rail-to-rail output feeding low-power ADC. Use Value: 250 µV max. Vio ensures <0.5% current measurement error at 1 mV sense voltage; 1.7 µA ICC extends battery backup runtime. | Use Scenario: Monitors isolation barrier leakage or auxiliary power rail stability during charging cycles. IC Role / Device Role / Timing Role: High-impedance voltage monitor on isolated DC-link sensing node, operating from 3.3 V auxiliary supply. Use Value: 1 pA input bias eliminates error from high-value divider resistors; 150 °C rating survives OBC thermal stress zones. |
| Wireless Charging Receiver | Automotive Cabin Sensor Hub |
Use Scenario: Conditions coil current feedback signal for foreign object detection (FOD) algorithm. IC Role / Device Role / Timing Role: Low-noise amplifier in analog front-end, converting current transformer output to ADC-input voltage. Use Value: 3.9 µVpp 0.1–10 Hz noise preserves FOD sensitivity at sub-millivolt levels; rail-to-rail I/O maximizes SNR. | Use Scenario: Amplifies outputs from MEMS pressure, CO₂, or humidity sensors in HVAC control modules. IC Role / Device Role / Timing Role: Signal conditioner for high-Z capacitive or electrochemical sensors interfaced to 12-bit SAR ADC. Use Value: 600 µV max. Vio over −40 to +150 °C eliminates thermal drift compensation firmware; AEC-Q100 compliance ensures field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nanopower, high-accuracy op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSU101IDT | Lower temperature grade (−40 to +125 °C), 3.3 µA ICC, 350 µV Vio max. at 25 °C | Not qualified for under-hood 150 °C operation; suitable for cabin or infotainment modules | Select when AEC-Q100 Grade 1 suffices and higher supply current is acceptable |
| TSZ121ILT | Higher accuracy (150 µV Vio max.), same 150 °C rating, but 3.5 µA ICC and 10 kHz GBP | Better DC precision but lower bandwidth; trades speed for offset reduction in static sensing | Select when <0.05% offset-critical applications dominate over 10 kHz signal content |
Compared with TSU111HYLT, TSU101IDT sacrifices temperature range and power efficiency for cost, while TSZ121ILT improves DC accuracy at the expense of bandwidth and current consumption - making TSU111HYLT the optimal balance for automotive BMS and OBC where nanopower, 150 °C operation, and 23 kHz bandwidth are jointly required.
Availability
TSU111HYLT is available at Aetrix Electronics and suitable for battery management systems, onboard chargers, and wireless charging receivers requiring stable component supply across automotive production lifecycles.
Supply support for TSU111HYLT 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and analog components for automotive, industrial, and consumer markets.
The TSU111H belongs to ST's nanopower, high-accuracy op amp product line - engineered specifically for AEC-Q100-compliant automotive signal conditioning where ultra-low ICC, 150 °C operation, and calibrated DC precision are non-negotiable.
FAQ
Is TSU111HYLT pin-compatible with TSU101IDT?
Yes - both use identical SOT23-5 pinout (IN+, VCC−, IN−, OUT, VCC+). However, TSU111HYLT's higher temperature rating and lower ICC require updated thermal design and power budgeting; no schematic changes are needed for direct replacement in non-150 °C applications.
Can TSU111HYLT operate from a 1.5 V supply?
Yes - the device is fully specified from 1.5 V to 5.5 V. At 1.5 V, ICC remains ≤2.6 µA over temperature, Vio stays ≤600 µV, and rail-to-rail output swing is maintained, enabling compatibility with primary lithium and NiMH cells without regulation.
What layout practices prevent leakage errors in TSU111HYLT circuits?
Use ceramic decoupling (10 nF) adjacent to VCC+ and VCC− pins; implement guard rings around IN+ and IN− traces tied to same potential; avoid conformal coating gaps near inputs; select PCB materials with surface insulation resistance >10¹² Ω to suppress moisture-induced leakage exceeding 1 pA.
Does TSU111HYLT support true comparator operation?
It can be used as a comparator due to rail-to-rail output and saturation tolerance, but it lacks dedicated comparator features like internal hysteresis or propagation delay optimization. For production comparator functions, ST recommends TS88x series; TSU111HYLT is best reserved for linear-mode precision amplification with occasional overdrive.
TSU111HYLT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.0055V/µs
- Gain Bandwidth Product:
- 25 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.3 pA
- Voltage - Input Offset:
- 600 µV
- Current - Supply:
- 2µA
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 1.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TSU111HYLT FAQ
1.How can I place an order for TSU111HYLT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSU111HYLT 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 TSU111HYLT reliable?
The price and inventory of TSU111HYLT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSU111HYLT is usually 5 days.
3.What payment methods are accepted for TSU111HYLT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSU111HYLT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSU111HYLT?
TSU111HYLT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSU111HYLT 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 TSU111HYLT?
For technical support, including TSU111HYLT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSU111HYLT requirements.
6.How does Aetrix verify that TSU111HYLT is sourced from the original manufacturer or authorized distributors?
All TSU111HYLT 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 TSU111HYLT meets industry standards.
7.What is the process for return or replacement of TSU111HYLT?
All TSU111HYLT units undergo pre-shipment inspection (PSI). If there is an issue with TSU111HYLT, 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 TSU111HYLT part is unused and in its original packaging.
Return procedure for TSU111HYLT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TSU111HYLT Tags
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LM358DT
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MCP6006UT-E/OT
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