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Texas Instruments TLC7701IDRBT-NM
- Part No.:
- TLC7701IDRBT-NM
- Manufacturer:
- Texas Instruments
- Category:
- Supervisors
- Package:
- 8-VDFN Exposed Pad
- Datasheet:
-
TLC7701IDRBT-NM.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL 8SON
- Quantity:
- Payment:
- Shipping:
Inventory:245
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Product details
Overview
TLC7701IDRBT-NM from Texas Instruments is a micropower supply voltage supervisor IC with 1.1 V precision threshold, programmable reset delay via external capacitor, and active-high RESET output. It operates from 2 V to 6 V supply, draws ≤16 µA quiescent current, and supports power-down control for battery-backed static RAM in medical imaging systems.
For engineers reviewing the TLC7701IDRBT-NM datasheet, TLC7701IDRBT-NM pinout, TLC7701IDRBT-NM application, or TLC7701IDRBT-NM equivalent, this page delivers verified specifications, DRB-package terminal mapping, military-grade temperature support (–40°C to 125°C), and real-world design context for undervoltage monitoring and controlled system reset.
Technical Context
The TLC7701IDRBT-NM implements a precision voltage sensor with temperature-compensated reference and internal timer logic that asserts RESET when SENSE voltage falls below 1.1 V (VIT– = 1.04–1.16 V) and holds it active for td = 2.1 × 10⁴ × CT seconds after recovery. Its CONTROL input enables active-high reset mode for memory power-down sequencing.
It features totem-pole outputs capable of sourcing –2 mA and sinking 2 mA, defined RESET assertion down to VDD ≥ 1 V, and hysteresis of 30 mV on the SENSE input to prevent chatter during threshold crossing. The device is characterized for operation across –40°C to 125°C and housed in a non-magnetic 3×3 mm SON (DRB) package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Threshold Voltage | 1.1 V (1.04–1.16 V) - precise undervoltage detection point for 1.2 V–1.8 V logic rails |
| Supply Range | 2 V to 6 V - compatible with Li-ion, 3.3 V, and 5 V systems without level-shifting |
| Quiescent Current | ≤16 µA - enables multi-year battery life in always-on monitoring applications |
| Reset Delay | Programmable via CT (td = 2.1 × 10⁴ × CT) - supports 1.1–4.2 ms delays with 100 nF capacitor |
| Operating Temp | –40°C to 125°C - qualified for automotive under-hood and industrial control environments |
| Output Type | Active-high totem-pole RESET - drives CMOS inputs directly; no pull-up required |
| Hysteresis | 30 mV - prevents false resets during slow-rising or noisy supply conditions |
Pinout & Package
Package: 3 mm × 3 mm, 8-pin SON (DRB) - non-magnetic, RoHS-compliant, optimized for medical imaging PCBs where magnetic interference must be avoided.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Accepts 2–6 V; RESET asserted when VDD ≥ 1 V during power-up |
| GND | Ground reference | Return path for all internal circuitry and output drivers |
| SENSE | Monitor input | Compares against 1.1 V threshold; triggers reset when voltage drops below VIT– |
| CONTROL | Mode select | Tied to GND for active-high RESET; enables memory power-down control logic |
| RESIN | Manual reset input | Active-low asynchronous reset override (logic low forces RESET high) |
| RESET | Primary output | Active-high totem-pole output; drives microcontroller /MR or FPGA PROG_B |
| NC | No connect | Pin 7 is unconnected - must remain floating or grounded per layout guidelines |
| CT | Delay timing capacitor | Connects external capacitor to set reset timeout duration (td = 2.1 × 10⁴ × CT) |
Key Features
| Feature | Design Value |
|---|---|
| Programmable reset delay | Enables precise system initialization timing using only one external capacitor (no resistor network) |
| Non-magnetic DRB package | Eliminates EMI interference in MRI and PET scanner signal chains requiring strict magnetic purity |
| Power-down memory control | Direct interface to static RAM chip select (CS) during brownout, preserving data with battery backup |
| Ultra-low supply current | 16 µA max ensures minimal impact on battery capacity in portable diagnostic equipment |
| Wide temperature range | –40°C to 125°C operation supports deployment in harsh industrial and automotive environments |
Applications
| Medical Imaging Power Sequencing | Industrial PLC Brownout Protection |
|---|---|
|
Use Scenario: Ensuring reliable startup and shutdown sequencing in MRI gradient amplifier modules where supply rail stability is critical. IC Role / Device Role / Timing Role: Monitors 3.3 V FPGA core rail and asserts RESET until stable; delays release by 2.1 ms to allow LDO settling. Use Value: Prevents configuration corruption in Xilinx Zynq SoCs during power ramp, leveraging non-magnetic DRB package compatibility with MRI shielding. |
Use Scenario: Protecting programmable logic controllers from erratic behavior during factory floor voltage sags. IC Role / Device Role / Timing Role: Supervises 24 V DC-DC converted 5 V rail; triggers watchdog reset if voltage dips below 4.5 V for >100 µs. Use Value: Delivers deterministic reset with 30 mV hysteresis to avoid chatter on noisy industrial power buses. |
| Battery-Backed Data Logger | Automotive ADAS Sensor Node |
|
Use Scenario: Maintaining SRAM integrity during main power loss in environmental data loggers deployed in remote locations. IC Role / Device Role / Timing Role: Uses CONTROL pin tied to GND to enable active-high RESET; drives SRAM CS during brownout. Use Value: Enables seamless handoff to coin-cell backup without software intervention, consuming only 16 µA in standby. |
Use Scenario: Securing proper boot sequence for radar processor SoCs in ADAS domain controllers exposed to cold-crank conditions. IC Role / Device Role / Timing Role: Supervises 1.2 V core rail with 1.1 V threshold; asserts RESET until rail reaches regulation and stabilizes. Use Value: Guarantees clean boot at –40°C with <1 V power-up reset assertion, meeting AEC-Q100 Grade 2 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage supervisor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC7701QD | SOIC-8 package; same 1.1 V threshold and –40°C to 125°C rating; lacks non-magnetic qualification | Suitable for general industrial use but not MRI/medical imaging due to magnetic material content | Select when board space allows SOIC and magnetic immunity is not required |
| TPS3801K33DBVR | Fixed 3.3 V threshold; 1.6 µA typical IQ; SOT-23-5 package; no manual reset (RESIN) or CONTROL pin | Optimized for ultra-low-power 3.3 V systems; lacks programmable delay and memory power-down features | Choose for compact, low-IQ designs where fixed threshold suffices and delay programming isn't needed |
Compared with TLC7701QD and TPS3801K33DBVR, the TLC7701IDRBT-NM uniquely combines non-magnetic packaging, programmable delay, and dual-mode reset control-making it irreplaceable in MRI-adjacent electronics where magnetic purity and flexible timing are mandatory.
Availability
TLC7701IDRBT-NM is available at Aetrix Electronics and suitable for medical imaging systems, industrial PLCs, battery-backed data loggers, and automotive ADAS sensor nodes requiring stable component supply with traceable sourcing and long-term lifecycle management.
Supply support for TLC7701IDRBT-NM 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, embedded processing, and connectivity solutions with emphasis on reliability, precision, and industrial-grade qualification.
The TLC77xx family was designed specifically for robust supply voltage supervision in safety-critical and mission-critical systems-including medical, aerospace, and industrial control-where deterministic reset behavior and wide temperature operation are essential.
FAQ
What is the exact threshold voltage tolerance for TLC7701IDRBT-NM?
The TLC7701IDRBT-NM has a guaranteed negative-going input threshold voltage (VIT–) of 1.04 V minimum to 1.16 V maximum over full temperature and supply range. This 1.1 V nominal threshold is laser-trimmed and temperature-compensated, ensuring stable operation across –40°C to 125°C without external calibration. The 30 mV hysteresis further guarantees noise immunity during threshold transitions.
Does TLC7701IDRBT-NM support active-low reset output?
No, the TLC7701IDRBT-NM provides only an active-high RESET output. It does not include an inverted /RESET output. However, its CONTROL pin allows configuration for active-high operation (when tied to GND), and RESIN provides active-low manual reset override. For true complementary outputs, designers must add external inversion logic or select alternate supervisors like the TLV809 series.
Can TLC7701IDRBT-NM be used in battery-powered devices with 1.8 V supply?
No - the TLC7701IDRBT-NM requires a minimum VDD of 2 V per recommended operating conditions. While RESET asserts down to VDD ≥ 1 V, functional operation (including accurate threshold sensing and output drive) is only specified from 2 V to 6 V. For 1.8 V systems, consider TI's TPS3808G18 or similar sub-2 V supervisors.
What is the purpose of the NC pin (Pin 7) on TLC7701IDRBT-NM?
Pin 7 of the TLC7701IDRBT-NM is designated NC (No Connect) and contains no internal connection. TI's packaging documentation confirms it is electrically isolated. It must remain unconnected in layout; grounding or routing to other nets may cause parasitic coupling or violate thermal/mechanical design rules for the DRB package.
Is TLC7701IDRBT-NM still in production or obsolete?
The TLC7701IDRBT-NM is marked "Obsolete" in TI's official packaging addendum, but remains available through authorized distributors and Aetrix Electronics with full traceability and extended lifecycle support. Obsolescence status reflects TI's discontinuation of new wafer starts, not immediate unavailability - Aetrix maintains strategic inventory and offers last-time-buy planning for legacy medical and industrial programs.
TLC7701IDRBT-NM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-VDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 1.1V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active High/Active Low
- Reset Timeout:
- 1.1ms Minimum
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SON (3x3)
TLC7701IDRBT-NM FAQ
1.How can I place an order for TLC7701IDRBT-NM through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC7701IDRBT-NM 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 TLC7701IDRBT-NM reliable?
The price and inventory of TLC7701IDRBT-NM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC7701IDRBT-NM is usually 5 days.
3.What payment methods are accepted for TLC7701IDRBT-NM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC7701IDRBT-NM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC7701IDRBT-NM?
TLC7701IDRBT-NM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC7701IDRBT-NM 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 TLC7701IDRBT-NM?
For technical support, including TLC7701IDRBT-NM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC7701IDRBT-NM requirements.
6.How does Aetrix verify that TLC7701IDRBT-NM is sourced from the original manufacturer or authorized distributors?
All TLC7701IDRBT-NM 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 TLC7701IDRBT-NM meets industry standards.
7.What is the process for return or replacement of TLC7701IDRBT-NM?
All TLC7701IDRBT-NM units undergo pre-shipment inspection (PSI). If there is an issue with TLC7701IDRBT-NM, 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 TLC7701IDRBT-NM part is unused and in its original packaging.
Return procedure for TLC7701IDRBT-NM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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