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STMicroelectronics TSB624IPT
- Part No.:
- TSB624IPT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TSB624IPT.pdf
- Description:
- LOW POWER, 1.7MHZ, RAIL-TO-RAIL
- Quantity:
- Payment:
- Shipping:
Inventory:1,460
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Product details
Overview
TSB624IPT from STMicroelectronics is a quad-channel, rail-to-rail output operational amplifier designed for precision signal conditioning in automotive and industrial power supply monitoring circuits. It delivers 1.7 MHz gain bandwidth, ≤1 mV input offset voltage at 25 °C, 375 μA per channel supply current at 36 V, and operates across –40 to 125 °C with 2.7–36 V supply range.
For engineers reviewing the TSB624IPT datasheet, TSB624IPT pinout, TSB624IPT application, or TSB624IPT equivalent, this device is selected for high-temperature stability, low-power precision amplification, EMI-hardened operation, and AEC-Q100 qualified performance in safety-critical analog front-ends.
Technical Context
The TSB624IPT integrates four independent op-amp channels in a single TSSOP14 package, each featuring unity-gain stability, rail-to-rail output swing, and input common-mode range extending to ground. Its architecture supports wide-supply operation without external level-shifting circuitry.
It exhibits 120 dB channel separation at 1 kHz, 105–135 dB supply voltage rejection ratio (SVR) over 4.5–36 V, and 0.60 V/µs slew rate at 36 V - enabling accurate amplification of fast transient signals in battery management and motor control feedback paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Quad - enables multi-sensor signal conditioning or multi-loop control in compact PCB layouts |
| Gain Bandwidth Product | 1.7 MHz - supports closed-loop bandwidth up to ~150 kHz with moderate gain (e.g., G = 10) |
| Input Offset Voltage | ≤1 mV @ 25 °C - ensures ≤10 mV error in 10 V full-scale measurement without trimming |
| Supply Current per Channel | 375 μA max @ 36 V - enables <1.5 mA total quiescent draw for four-channel operation |
| Operating Temperature | –40 to 125 °C - meets AEC-Q100 Grade 1 requirements for under-hood automotive use |
| Rail-to-Rail Output | Swings within 140 mV of VCC and 150 mV of VCC– - preserves dynamic range near supply rails |
| ESD Rating | 3 kV HBM - exceeds standard IEC 61000-4-2 Level 3 immunity for board-level robustness |
Pinout & Package
TSSOP14 (Thin Shrink Small Outline Package, 14-pin), 5.0 mm × 6.4 mm × 1.05 mm body height, 0.65 mm pitch, wettable flanks compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Channel 1 output - drives feedback networks or ADC input buffers directly |
| 2 | IN1– | Inverting input for Channel 1 - accepts differential or single-ended feedback signals |
| 3 | IN1+ | Non-inverting input for Channel 1 - connects to sensor outputs or reference-divided voltages |
| 4 | VCC+ | Positive supply rail - supports up to 36 V; decoupling required within 1 cm |
| 5 | IN2+ | Non-inverting input for Channel 2 - isolated from Channel 1 for dual-sensing applications |
| 6 | IN2– | Inverting input for Channel 2 - enables independent gain configuration per channel |
| 7 | OUT2 | Channel 2 output - electrically isolated from OUT1 to prevent crosstalk-induced instability |
| 8 | OUT3 | Channel 3 output - shares no internal nodes with Channels 1–2 or 4 |
| 9 | IN3– | Inverting input for Channel 3 - supports inverted gain configurations without external inversion |
| 10 | IN3+ | Non-inverting input for Channel 3 - usable as unity-gain buffer for reference distribution |
| 11 | VCC– | Negative supply rail - referenced to system ground; supports true single-supply operation |
| 12 | IN4+ | Non-inverting input for Channel 4 - allows simultaneous monitoring of four independent analog signals |
| 13 | IN4– | Inverting input for Channel 4 - configurable for differential sensing with matched external resistors |
| 14 | OUT4 | Channel 4 output - fully specified for load currents up to 45 mA sink/source at 36 V |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Delivers >98% of full-scale swing at 36 V supply, enabling direct interface to 12-bit+ SAR ADCs |
| EMI hardening | Immune to 100 MHz–1 GHz RF interference per IEC 62132-4, reducing need for shielding in noisy environments |
| AEC-Q100 qualified | Grade 1 (–40 to 125 °C) qualification confirmed per Table 15 - suitable for engine control and ADAS subsystems |
| Low input bias current | 30 nA typ. @ 25 °C - minimizes voltage error across high-impedance sensor bridges (e.g., RTDs, thermistors) |
| High CMRR | 135 dB max @ 36 V - rejects common-mode noise in motor phase current sensing with shunt resistors |
| Unity-gain stable | No external compensation required - simplifies layout and reduces BOM count in transimpedance or buffer designs |
Applications
| Motor Phase Current Sensing | Battery Cell Voltage Monitoring |
|---|---|
|
Use Scenario: Real-time measurement of three-phase motor currents using low-value shunt resistors in traction inverters. IC Role / Device Role / Timing Role: Quad op-amp configures two channels as differential amplifiers for phase A/B sensing, one as reference buffer, and one as fault comparator. Use Value: 1.7 MHz GBW supports accurate reconstruction of PWM-modulated current waveforms up to 20 kHz switching frequency. |
Use Scenario: Simultaneous monitoring of 4 individual Li-ion cell voltages in 12S battery packs for EVs and energy storage. IC Role / Device Role / Timing Role: Each channel buffers and scales a cell voltage to match ADC input range, with rail-to-rail output ensuring full resolution utilization. Use Value: ≤1 mV offset ensures ≤0.01% measurement error across 4.2 V full scale, critical for state-of-charge accuracy. |
| Automotive HVAC Blower Control | Industrial 4–20 mA Loop Receiver |
|
Use Scenario: Closed-loop speed regulation of DC brushless blower motors using back-EMF sensing and Hall-effect feedback. IC Role / Device Role / Timing Role: One channel conditions Hall sensor output, another filters tachometer pulses, third buffers reference voltage, fourth drives gate driver bias. Use Value: –40 to 125 °C operation eliminates derating in under-dash enclosures; 4 kV HBM ESD protects against assembly handling damage. |
Use Scenario: Converting 4–20 mA process current signals into 0–5 V analog inputs for PLC analog modules in factory automation. IC Role / Device Role / Timing Role: Configured as precision I-to-V converter (R = 250 Ω) with output buffered and level-shifted to match downstream ADC range. Use Value: 375 μA/channel supply current enables ultra-low-power loop-powered receiver design compliant with NAMUR NE43. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail output op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB622IDT | Dual-channel SO8 variant; identical electrical specs but half channel count | Suitable where only two sensing paths are needed; saves board area vs. quad solution | Select when system requires ≤2 analog channels and space constraints favor SO8 footprint |
| TSB572IYDT | Lower supply current (160 μA/ch), lower GBP (1.1 MHz), same rail-to-rail output | Better for ultra-low-power battery systems where bandwidth <1 MHz suffices | Choose for portable diagnostic tools or wireless sensors where quiescent power dominates thermal budget |
Compared with TSB622IDT, TSB624IPT provides double channel density in larger TSSOP14 form factor; versus TSB572IYDT, it trades 220 μA higher current for +0.6 MHz bandwidth and automotive-grade temperature margin - critical for real-time motor control loops.
Availability
TSB624IPT is available at Aetrix Electronics and suitable for automotive powertrain control, industrial battery management systems, and HVAC blower regulation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TSB624IPT 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, specializing in automotive, industrial, and power discrete technologies with vertical manufacturing capability.
The TSB62x series belongs to ST's precision analog portfolio, engineered specifically for high-reliability signal conditioning in harsh-environment automotive and industrial applications where wide supply range and temperature resilience are mandatory.
FAQ
Is TSB624IPT pin-compatible with other TSB62x variants?
No - TSB624IPT (TSSOP14) has unique pin mapping distinct from TSB621 (SOT23-5) and TSB622 (SO8/MiniSO8/DFN8). Pin functions are defined in Table 3 of DS13848 Rev 3, and no mechanical or electrical pin compatibility exists across the family due to differing channel counts and package geometries.
What is the maximum capacitive load the TSB624IPT can drive while maintaining stability?
The TSB624IPT remains stable driving up to 100 pF capacitive load with 10 kΩ series resistance, as verified by phase margin ≥45° across 2.7–36 V supply (Figures 19–21, DS13848 Rev 3). For loads >100 pF, external isolation resistor (≥100 Ω) is required to prevent peaking or oscillation.
Does TSB624IPT support true split-supply operation with negative VCC–?
Yes - VCC– pin (Pin 11) accepts voltages down to –0.2 V relative to ground, and the input common-mode range extends to (VCC–) –0.1 V. This enables ±18 V split-supply operation (VCC+ = +18 V, VCC– = –18 V) with full rail-to-rail output swing and validated performance per Table 5.
How does the 3 kV HBM ESD rating impact PCB layout practices?
The 3 kV HBM rating reflects internal protection diode robustness but does not eliminate need for layout-level ESD mitigation. Recommended practices include: placing 100 nF ceramic decoupling caps ≤5 mm from VCC+/VCC– pins, routing sensitive inputs away from board edges, and avoiding floating traces longer than 5 mm on INx± lines - all validated in ST's AN5025 application note.
TSB624IPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- TSB
- 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:
- 0.6V/µs
- Gain Bandwidth Product:
- 1.7 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 300 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 310µA (x4 Channels)
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
TSB624IPT FAQ
1.How can I place an order for TSB624IPT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB624IPT 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 TSB624IPT reliable?
The price and inventory of TSB624IPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB624IPT is usually 5 days.
3.What payment methods are accepted for TSB624IPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB624IPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB624IPT?
TSB624IPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB624IPT 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 TSB624IPT?
For technical support, including TSB624IPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB624IPT requirements.
6.How does Aetrix verify that TSB624IPT is sourced from the original manufacturer or authorized distributors?
All TSB624IPT 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 TSB624IPT meets industry standards.
7.What is the process for return or replacement of TSB624IPT?
All TSB624IPT units undergo pre-shipment inspection (PSI). If there is an issue with TSB624IPT, 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 TSB624IPT part is unused and in its original packaging.
Return procedure for TSB624IPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TSB624IPT Tags
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LM358DT
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