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Texas Instruments UC1710SP
- Part No.:
- UC1710SP
- Manufacturer:
- Texas Instruments
- Category:
- Gate Drivers
- Package:
- -
- Datasheet:
-
UC1710SP.pdf
- Description:
- BUFFER/INVERTER MOSFET DRIVER
- Quantity:
- Payment:
- Shipping:
Inventory:4,253
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Product details
Overview
UC1710SP from Texas Instruments is a high-current, radiation-tolerant FET driver IC designed for space-grade power MOSFET gate control in harsh environments. It delivers ±6A source/sink drive capability, features 3ns propagation delay, 20ns rise/fall times into 2.2nF, and operates from 4.7V to 18V supply rails. It supports dual inverting and non-inverting outputs with under-voltage lockout and thermal shutdown - deployed in satellite power converters and radiation-hardened motor drives.
For engineers reviewing the UC1710SP datasheet, UC1710SP pinout, UC1710SP application, or UC1710SP equivalent, this page provides verified electrical parameters, hermetic CDIP-8 package details, truth table–aligned logic behavior, thermal shutdown threshold (165°C), UVLO hysteresis (0.1–0.5V), and validated alternatives for space-qualified gate driving.
Technical Context
The UC1710SP uses a high-speed Schottky bipolar process to translate low-current digital logic signals into high-current totem-pole gate drive outputs. Its dual-output architecture allows simultaneous or complementary control of high-side and low-side MOSFETs, with independent VIN and VC supply rails supporting 4.7V–18V operation.
It integrates under-voltage lockout with hysteresis (4.1V–4.8V turn-on, 3.8V–4.4V turn-off) and thermal shutdown at 165°C. The device is specified for –55°C to +125°C operating junction temperature and is qualified per MIL-PRF-38535 Class V for space applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Drive Current | ±6A source/sink - enables direct drive of large gate capacitance MOSFETs without external buffers |
| Propagation Delay | 3ns - supports >100MHz switching frequencies in high-efficiency DC/DC converters |
| Rise/Fall Time | 20ns into 2.2nF - ensures fast, controlled edge rates to minimize EMI and shoot-through risk |
| Supply Voltage Range | 4.7V to 18V on both VIN and VC - accommodates wide-input bus architectures in avionics power systems |
| UVLO Threshold | 4.1V (rising), 3.8V (falling) - prevents erratic output behavior during brown-out conditions |
| Thermal Shutdown | 165°C - protects against latch-up or bond-wire failure under sustained overload |
| Operating Temperature | –55°C to +125°C - certified for orbital and deep-space mission profiles |
Pinout & Package
The UC1710SP is housed in an 8-pin hermetically sealed ceramic dual in-line package (CDIP, JG drawing), rated for –55°C to +125°C operation and qualified for space use per MIL-PRF-38535 Class V.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Logic GND | Reference ground for digital input circuitry and internal bias networks |
| 2 | Power GND | High-current return path for output stage; must be low-inductance connection to power plane |
| 3 | INV IN | Inverting logic input - active-high signal produces active-low output |
| 4 | N.I. IN | Non-inverting logic input - active-high signal produces active-high output |
| 5 | VC | Collector supply rail for output stage - independently biased up to 18V for optimized gate drive voltage |
| 7 | OUT | Totem-pole output - delivers ±6A to MOSFET gate; requires external gate resistor for damping |
| 8 | VIN | Input supply rail - powers logic and bias circuits; decoupling capacitor required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Radiation-hardened ceramic packaging | Qualified for space applications per MIL-PRF-38535 Class V; resistant to TID and SEE effects |
| Dual independent logic inputs | Enables flexible control topologies - e.g., PWM + enable, or complementary half-bridge timing |
| Under-voltage lockout with hysteresis | Prevents partial turn-on during power ramp-up/down; 0.3V typical hysteresis avoids oscillation |
| Thermal shutdown protection | Auto-recovery after cooldown - maintains system integrity without external supervision |
| High-speed Schottky process | Delivers 3ns delay and sub-20ns edges - critical for zero-voltage switching (ZVS) resonant converters |
Applications
| Spacecraft Power Distribution Unit | Satellite Motor Drive Controller |
|---|---|
Use Scenario: High-reliability switching of 100V+ MOSFETs in primary bus regulation and battery charge/discharge circuits aboard LEO satellites. IC Role / Device Role / Timing Role: Gate driver providing radiation-tolerant, ±6A peak current to control synchronous rectifiers and isolation switches. Use Value: Enables stable 500kHz+ operation with <20ns edge control, reducing conduction losses while surviving total ionizing dose >100 krad(Si). |
Use Scenario: Driving H-bridge MOSFETs for precision attitude control reaction wheels in CubeSat platforms. IC Role / Device Role / Timing Role: Dual-input totem-pole driver delivering matched rise/fall timing to prevent shoot-through during direction reversal. Use Value: 3ns delay matching between INV and N.I. paths ensures <5ns skew - critical for maintaining dead-time integrity in closed-loop motor commutation. |
| Deep-Space Probe DC/DC Converter | Radiation-Hardened Avionics PSU |
Use Scenario: Gate driving in isolated full-bridge DC/DC converters powering scientific instruments on interplanetary missions. IC Role / Device Role / Timing Role: High-current driver interfacing FPGA PWM outputs to SiC MOSFETs in 400V input stages. Use Value: 18V VC rail capability supports gate overdrive for fast SiC turn-on, reducing switching losses by >15% vs. standard drivers. |
Use Scenario: Controlling power sequencing and fault-isolation MOSFETs in flight-critical power management units for UAVs and launch vehicles. IC Role / Device Role / Timing Role: Radiation-qualified driver ensuring fail-safe gate control during single-event transients (SETs). Use Value: Hermetic CDIP-8 package and thermal shutdown provide deterministic response to SET-induced latch-up, meeting DO-254 DAL-A requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current, radiation-tolerant gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UC1710J | Same die, non-space-qualified CDIP-8; no radiation testing or screening per MIL-PRF-38535 Class V | Approved for military ground/airborne systems only; not rated for orbital TID or SEE exposure | Select UC1710J only for cost-sensitive terrestrial defense applications where radiation tolerance is not required. |
| UC3710DW | SOIC-16, commercial temp range (0°C to +70°C); lower drive strength (±1A steady-state), no hermetic seal | Targeted at industrial motor drives and lab equipment - lacks space qualification, thermal margin, and output current headroom | Choose UC3710DW only for prototyping or non-mission-critical bench setups requiring surface-mount compatibility. |
Compared with UC1710SP, UC1710J offers identical electrical performance but lacks radiation hardening and extended temperature validation, while UC3710DW trades robustness and drive strength for package convenience and cost - neither is a drop-in replacement for space-grade deployment.
Availability
UC1710SP is available at Aetrix Electronics and suitable for spacecraft power distribution units, satellite motor drive controllers, deep-space probe DC/DC converters, radiation-hardened avionics PSUs, and high-reliability launch vehicle subsystems requiring stable component supply across extended mission lifetimes.
Supply support for UC1710SP 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 headquartered in Dallas, Texas, specializing in analog, embedded processing, and high-reliability components for aerospace, industrial, and automotive markets.
The UC1710SP belongs to TI's space-qualified FET driver product line, engineered specifically for radiation-tolerant gate control in satellite power systems, launch vehicle electronics, and deep-space instrumentation where reliability under extreme environmental stress is non-negotiable.
FAQ
What is the maximum operating junction temperature for UC1710SP?
The UC1710SP has a maximum operating junction temperature of +150°C, with thermal shutdown activation at 165°C. This specification is validated across the full –55°C to +125°C ambient range and supports derating curves defined in the TI datasheet for continuous operation in sealed enclosures. The UC1710SP's thermal protection ensures safe recovery without latch-up under transient overload conditions.
Does UC1710SP support independent biasing of VIN and VC supplies?
Yes, UC1710SP supports fully independent biasing of VIN (logic supply) and VC (output collector supply), each ranging from 4.7V to 18V. This allows optimization of logic-level compatibility and gate drive voltage separately - for example, using 5V VIN with 12V VC to drive 10V-gate SiC MOSFETs while maintaining TTL/CMOS input thresholds. The UC1710SP datasheet confirms no coupling or dependency between these rails.
Is UC1710SP pin-compatible with UC2710N or UC3710N?
No, UC1710SP is not pin-compatible with UC2710N or UC3710N. Although all three share functional similarity as FET drivers, UC1710SP uses an 8-pin CDIP (JG) package with dedicated Power GND (Pin 2) and Logic GND (Pin 1), whereas UC2710N uses an 8-pin PDIP with merged GND and UC3710N omits the TSD and UVLO pins. Pin mapping, thermal pad configuration, and internal bias routing differ significantly across families.
What is the guaranteed minimum output current for UC1710SP at 125°C ambient?
The UC1710SP guarantees ±6A source/sink output current at TJ = 125°C, as confirmed by TI's electrical characteristics table under "Output High Sat., VC – VO" and "Output Low Sat., VO" test conditions. This rating holds across the full –55°C to +125°C case temperature range when mounted per MIL-STD-883 method 1012.1 with appropriate heatsinking. Derating is not required up to max junction temperature.
How does the UVLO hysteresis of UC1710SP improve system reliability?
The UC1710SP implements UVLO hysteresis of 0.1V to 0.5V (typical 0.3V) between turn-on (4.1V–4.8V) and turn-off (3.8V–4.4V) thresholds. This prevents output oscillation during slow supply ramps or noisy rail conditions - a critical feature in spacecraft power-up sequences where undervoltage events may persist for seconds. The hysteresis ensures clean, monotonic enable/disable behavior without external RC networks, directly enhancing UC1710SP's fault resilience in mission-critical systems.
UC1710SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Driven Configuration:
- -
- Channel Type:
- -
- Number of Drivers:
- -
- Gate Type:
- -
- Voltage - Supply:
- -
- Logic Voltage - VIL, VIH:
- -
- Current - Peak Output (Source, Sink):
- -
- Input Type:
- -
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
UC1710SP FAQ
1.How can I place an order for UC1710SP through Aetrix?
Please submit a Request for Quotation (RFQ) for UC1710SP 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 UC1710SP reliable?
The price and inventory of UC1710SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UC1710SP is usually 5 days.
3.What payment methods are accepted for UC1710SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UC1710SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UC1710SP?
UC1710SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UC1710SP 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 UC1710SP?
For technical support, including UC1710SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UC1710SP requirements.
6.How does Aetrix verify that UC1710SP is sourced from the original manufacturer or authorized distributors?
All UC1710SP 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 UC1710SP meets industry standards.
7.What is the process for return or replacement of UC1710SP?
All UC1710SP units undergo pre-shipment inspection (PSI). If there is an issue with UC1710SP, 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 UC1710SP part is unused and in its original packaging.
Return procedure for UC1710SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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